Gemstone Liquidation | Loose Gemstones | US Auction Brokers - U.S. Auction Brokers

Loose Gemstones

Rare Gemstones Liquidation

Lot: 3914021
Let's put a little attitude in your gem and jewelry collection with these heated only sapphires from Madagascar. Because no, there are no soft corners in set! Presented here is 2.96 carats of crisp facets and hard edges, so lets show the world that you are not someone to be messed with. Because you're not. These sapphire, just like you, are all about business. You've got deep blue hues that don't compromise, the kind of blue that London blue calls when its having problems. Like unwashed denim blue before its coffee. Now add to that glaring superior lusters that don't just reflect light, they actively push it away. This is crowd control for your jewelry. And did we mention they all have eye clean to VS clarity? Of course they do so they can see things as clearly as you do. And measuring 2.7mm to 3.2mm each with a rough and tumble Mohs hardness rating of 9 out of 10, these precision cut gemstones are ready to take on any challenge. So strap on those red bottoms and get ready to seize the day with your new set of sapphires! Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914027
This is a heavy parcel of this gem type! Especially considering that this is one of the rarest gemstones in the world! And remember, just because you found them on auction instead of a jewelry store doesn't make them less valuable, it just makes you smarter. This 100 piece collection exhibits outstanding natural spring green hues with vivid saturation with some serious weight. The fully transparent bodies of these VS clarity tsavorites is complimented by their diamond lusters that twinkle off of every facet. Measuring 1.5mm to 1.9mm each, this substantial gemstone parcel is ready to set. Only 10 percent of the tsavorite mined in the world is above 1 carat, with only 2.5 percent being over 2 carats. Made famous by Tiffany and Co., this very beautiful gem is held in high regard by collectors and connoisseurs. Sourced from Tanzania. Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914016
The color of this topaz set is simply amazing! These gems have well matched Swiss blue hues with vivid saturation and pristine eye clean clarity. The cuts of these topaz are crisp, exhibiting symmetrical faceting filled with dazzling glittering flashing that is accented by their superior lusters. They are beautifully matched in size, measuring 6x6mm and weighing over 1.40 carats each! This makes them perfect for solitaire setting, impressive earrings, pendants, or all of the above at the same time! You can make a 4 piece set and still have a topaz to spare! Sourced from Brazil. Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914007
This superb natural tourmaline exhibits full color saturation with a dark tone, silky luster, and a rich blue hue with beautifully blended color through premium VVS clarity. The emerald cut of this piece has wide faceting, showcasing its superior luster, making this gemstone a natural choice for an elegant setting. It measures 6.5mm x 6mm x 4mm, and is untreated. Sourced from Mozambique. Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914034
This piece is CRAZY! You've got brilliant color, brilliant flashing, and brilliant light return from its superior luster. When it comes to being a gemstone, this topaz is a straight A student. But this piece also went in for a little extra credit and showed up sporting a custom oval cut! Both the top and bottom of this topaz display the deft hand of a true artisanal gem cutter giving it a unique look as well as unique flashing. And its crisp overlapping facets don't disappoint! It has great size measuring 11.7mm x 10mm x 6.1mm (12x10mm), and its whole display is seen through pristine eye clean clarity. Don't miss this one! Sourced from Brazil. Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914015
Marquise cuts are hot right now, so you won't want to miss this one! And since marquise cuts have a slimmer profile than regular oval cuts, your 2.92 carats for this ruby translate to a whopping 13.5mm x 7.1mm x 3.7mm! It shows a classic blood red hue that is both rich and vibrant with touches of swirling pink and a professionally polished luster that glistens over its entire body. Sourced from Myanmar. (Formerly Burma) Heated only! Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914019
After these rubies arrive, you are going to have a hard decision to make. Do you have them set, or do these become the newest addition to your gem safe? We would recommend doing both. Lock them away while you take your time deciding on how you want them set. These rubies are worth it! Why? Because they exhibit amazing red hues with well blended pink undertones giving them vibrant hues that make these scarce gemstones a prime choice for collectors. They are well matched, with an average weight of .37 carats each and measure 4mm to 4.5mm with semi-opaque bodies. And you get 12 of them! These gems are heated only, and have a Mohs hardness rating of 9 out of 10, making them perfect daily wear for generations to come. Sourced from Myanmar. (Formerly Burma) Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914026
This gem was cut from pure ruby sourced from Madagascar, and has received no treatment! Its gorgeous red hue is tempered with a violet undertone giving it beautiful depth color, and its superior luster glistens off of each facet. This ruby is so natural that it even has a touch of matrix on its underside! It measures 12.7mm x 10.2mm x 6.6mm, and has a Mohs hardness rating of 9 out of 10. Don't miss this very large example! Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3912695
Striking color and fine cutting allow this alexandrite to sparkle & shine! This faceted roundl beauty measures 13mm and weighs 9.18 cts. It is a synthetically grown corundum that mimics the color changes of alexandrite.   Beautiful!
Current Bid:
Lot: 3914022
You don't want to miss this elegant set of rhodolite garnets! They exhibit boutique grade rich violet pink hues that glitter with pink flashing through SI clarity. These gems are beautifully matched, measuring 8x6mm each with an average weight of 1.74 carats, and superior lusters that glisten off of every facet. They were sourced from Mozambique, and have received no treatments. 5 gemstones! Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914014
This is just a great all around gemstone! Cut from pure Australian sapphire crystal, this piece shows a rich blue green hue with a gray cast that really deepens its tone. This dark color palette plays well against the glittering green flashing that cascades down the gem and collects at the bottom, no matter which side you have facing down. Hold it up traditionally, and the flashing curves around the bottom. Hold it upside down, and the flashing concentrates around the tip. And you will be surprised at just how green the flashing is when compared to its body color! It measures 7.5mm x 5mm x 3.7mm with a Mohs hardness rating of 9 out of 10, so you can wear this very unique sapphire anywhere! And it's untreated! Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3912702
Deep body color allows the brighter colors to shine through! This lot of 3 pieces are Indonesian natural black opal.  Total weight: 1.30 cts. Treatment: none
Current Bid:
Lot: 3914036
The colors of this gemstone weave in and out of each other like tree roots. You can see distinct lines of earthy yellows reaching through rich greens and blues all captured under a shimmering superior luster. The classic emerald cut of this piece has smooth faceting with a fully translucent body, so you get a front row seat to its beautiful mix of colors. It has great size and weight, measuring 9.6mm x 8mm x 5.8mm and tipping the scales at an impressive 4.50 carats! Don't miss this one of a kind piece! Beryllium heated for permanent color retention. Sourced from Africa. Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914009
Get ready for a one of a kind piece that will add some serious dazzle to your gem and jewelry collection! The tight faceting of this ametrine combined with its mixed radiant cut and superior luster creates a brilliant array of linear flashing that shines through pristine eye clarity. It has a multi-color hue displaying well blended violets and peaches with light saturation. And measuring an impressive 11.2mm x 10.6mm x 7.8mm, you know this is going stand out whether set or simply displayed. Sourced from Bolivia. Untreated! Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914029
This 9 piece set features bold color saturation with rich blue hues with some tempered by a slight green undertone giving them a gorgeous teal color. This display is amplified by their glittering linear flashing that shines through pristine VS clarity with liquid lusters that give them the appearance of being wet. They are beautifully matched, measuring from 4x3mm each, and were heated only with no dyes or fillers. Sourced from Madagascar. Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914033
This eye catching Brazilian topaz set displays stunning color definition with bright saturation and shimmering superior lusters. They have tightly faceted marquise cuts resulting in vivid light return that gives you a never ending cascade of glittering brilliance accented with pristine VS clarity. This captivating set is well matched in size measuring 8x4mm with an average weight of .60 carats each and is ready for immediate setting. Sourced from Brazil. Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3912692
Like variety?  This lot of natural opal cabochons is for you! Shapes include: oval, cushion antique, trillion, and rounds.  Total weight: 2.44 cts. Treatment: none
Current Bid:
Lot: 3914018
Wow! Don't miss this amazing gemstone! Cut from pure Winza ruby crystal, this piece radiated rich red hue with a heavy amount of violet in its undertone that gives its color a kick in the pants. And it’s the real deal! The only influence on this ruby was the cutter, no heat, no dyes, no fillers. So you know that the color you see now is the same color your family will have for generations to come. The high polished luster glitters and pops across every facet, and its fully translucent body lets you observe every unique internal characteristic. This ruby is a beauty! It measures 7.2mm x 6mm x 4.1mm so it is perfect for standard 7x6mm settings, and with a Mohs hardness rating of 9 out of 10 it will become your go to for daily wear. Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914031
This is an awesome piece. It has a gorgeous sea green hue with a body color that sits just a few shades from a pale green emerald in darker lighting. It has a crisp cut with a small table that is framed by wide facets that takes full advantage of its superior luster, and continuous pops of framed flashing that really lightens its tone. This very unique aquamarine measures 13.3mm x 11.5mm x 7mm making it perfect for setting, and was sourced from Brazil. Untreated!!! Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914008
This is an amazing piece. The concave cut draws in the light, and sends it out in a spectacular show of brilliant flashing that resembles twinkling city lights seen from the air. Its fiery display glitters in vibrant shades of blue, and can easily be seen at arms length in both high and low light. The high quality color of this piece stands out with its full Swiss blue hue, preferred medium saturation, and vivid tone. This is the color that people see in their mind when the think of Swiss blue topaz. This premium grade topaz measures an impressive 16.1mm x 12.9mm x 8.4mm, and it was finished with a professionally polished superior luster. Sourced from Brazil. Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid:
Lot: 3914025
This rare pink tourmaline set is an absolute must-see. Its captivating color is intense, showing a rich rose pink hue with preferred medium saturation and a strong tone. The luster of these pieces has an incredible polish, casting velvety shadows that outline its full bodied flashing, adding beautiful definition to their glittering light return. And their entire display is captured through VS to SI clarity. This 3 piece set measures 6x5mm to 6.5x 5mm and are ready to add some serious color to your gem and jewelry collection. Sourced from Mozambique. Untreated!!! Gems come with a complimentary gem jar for display and protection, size permitting. All treatments are disclosed*, and all weights and sizes are approximate. Listed gemstones are greatly magnified, and minor details that present themselves in the photo may not be visible with the naked eye. There may be slight color differences due to individual monitor settings and capabilities. *Except for topaz. As irradiation is the standard treatment for this gem type, they should be assumed to be as such, unless stated otherwise in the description.
Current Bid: