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

Loose Gemstones

Rare Gemstones Liquidation

Bright color! 5.56ct green Amethyst! Untreated!
Lot 3964024:

This superb natural amethyst exhibits light color saturation with a bright tone, liquid luster, and soft green hue with just a hint of yellow in its undertone. The combination of its emerald cut, eye clean clarity, and arrow straight faceting makes this gemstone a natural choice for a fun setting. It measures 12.1mm x 9.6mm x 6.5mm, and is all natural with no treatments. Sourced from Bolivia.

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:
Exceptional 3.21ct diamond cut Songean Sapphire set
Lot 3964005:

These diamond cut sapphires are beryllium heated for permanent color retention, and have well matched diamond cuts measuring 1.5mm each. They glitter and pop under superior lusters, and display matched red hues with rich saturation resembling colorful diamonds. These 150 high quality gems feature VS clarity, and have a Mohs hardness rating of 9 out of 10 making them perfect for setting now, and enjoying for generations to come. Don't miss this boutique grade 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:
Real! 1.12ct striated green and blue Australian Sapphire! Heated only!
Lot 3964027:

This is a fantastic gemstone! The color of this sapphire is rich, giving depth to its silky blue hue with beautifully zoned saturation. And when you hold it to the light, you will see that the striated color gives way to an almost teal blue green though crisp SI1 clarity. This sapphire has a low profile cut, measuring 7.7mm x 4.7mm x 2.5mm, making it perfect for pendant setting, and has a glistening superior luster that twinkles off of every facet. And with a Mohs hardness rating of 9 out of 10, it is perfect for everyday wear now and for generations to come. This exotic gem was sourced from Australia. 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:
Untreated! Semi-translucent body! 2.86ct Winza Ruby!
Lot 3964023:

The silky red hue of this pure ruby is complimented by a gorgeous violet undertone that deepens its tone, giving it a strong violet red body color that is just lovely. Its color palette is rich and elegant with a touch playfulness in the sunlight, and a semi-translucent body that ensures an even display of saturation. This stunning gem features a classic emerald profile, was cut from pure ruby sourced from Winza, Tanzania, and is completely untreated! It contains no dyes or fillers. This is a beautiful example measuring 9.5mm x 5.9mm x 4.5mm, and with a Mohs hardness rating of 9 out of 10, it is perfect everyday wear for generations to come.

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:
Simply gorgeous! VS grade! .57ct vivid green Sapphire! Untreated!
Lot 3964011:

This gemstone is a stunner! It was cut from pure Madagascar sapphire, and is all natural with no treatments. Just pure sapphire. The color of this piece is vibrant with open color and preferred medium saturation through pristine VS clarity. And it has a premium polished luster with full bodied flashing! This sapphire measures 5mm x 4mm x 3mm so you know it is perfect for setting, and has a Mohs hardness rating of 9 out of 10 so you can wear it anywhere. Get your glitter on with this premium sapphire!!!

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:
Holy cow! It's a 3.71ct untreated color change Grossular Garnet!
Lot 3964001:

Did you know that grossular garnets fluoresce? Because this one does! So not only do you get a rare bright yellow grossular garnet, but a grossular garnet that turns purplish pink under UV lighting! What? Did you even know that was a thing? Well it is, and you can own it! And we'll even include your own personal UV light to go with it. How cool is that? It has great size, measuring 9mm x 8.5mm x 6.2mm, and has a Mohs hardness rating of 7 out of 10, so you can even have it set. And on top of all of that, it has full bodied glittering flashing, AND a superior luster that sparkles off of every facet. Well, don't just sit there, or someone else is going to get your garnet! Sourced from Africa. 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:
Glowing Natural Golden Sapphire
Lot 3962546:

Glowing natural golden sapphire – LUMINESCENT color!

This faceted oval beauty measures 5.7x7.3mm and weighs 1.25 cts. 

Treatment: heat only.  No fillers, no diffusion treatment, not irradiated.

Current Bid:
Gorgeous 5.65ct untreated sea green Aquamarine
Lot 3964034:

This is a great piece. It shows a sea green hue that is strongest around its edges and sparkling platinum and green flashing. It has a tightly faceted top with a small table that is framed in halo flashing, and beautiful internal characteristics that give it the illusion of seawater. It has fantastic size, measuring 15.2mm x 11.6mm x 4.7mm making it perfect for setting. 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:
This is 2.44 carats of Australian blue Sapphire! Heated only!
Lot 3964018:

This set is a stunner! It was cut from pure Australian sapphire, and was heated only. No dyes, no fillers, just pure sapphire. And although Australia is known for its parti sapphires and gorgeous mixes of blue and green, these unique examples show deep blue hues with just a touch of green in the background. The color of this strong is strong, but it retains open color and preferred medium saturation! And they have eye clean to VS clarity with premium polished lusters! They measure 2.8mm to 3mm each, and have a Mohs hardness rating of 9 out of 10, so even your great great grandkids will be showing them off.

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:
Graceful Natural Tsavorite Garnet
Lot 3962541:

Bright, intense natural tsavorite garnet!

This faceted pear-shape beauty measures 4.9x7mm; it weighs 77 points.  Fine color.  Graceful shape.

Treatment: none.

 

Current Bid:
Unheated! Untreated! 3.37ct real Guinea Ruby!
Lot 3964039:
The silky color of this dramatic piece is lush, almost liquid, with dark violet that moves through rich red. But the real magic is when it's held to the light. Hidden by it's rich color saturation is a lovely pink undertone you can see flowing through the ruby crystal. This stunning gem was cut from pure ruby from Guinea, Africa, and is untreated. It contains no dyes or fillers. This beautiful example measures 9mm x 6.8mm x 4.2mm, and with a Mohs hardness rating of 9 out of 10, it is perfect for everyday wear now and for generations to come.
Current Bid:
Pristine VS grade 8.17ct Rose de Franc from Bolivia -Untreated!
Lot 3964032:

We would say that this would be an amazing addition to your gem collection, but we think this would show better in your jewelry collection. And by show better, we mean you could show it off better! Because that's what you are going to want to do after this arrives. Presented here is a Rose de Franc amethyst with a delicate platinum pink hue filled with brilliant linear flashing. And its light saturation and bright tone adds to this brilliant display giving you a mix of silvery pinkish fire. Wow! Who'd have thought delicate color could be so pronounced? We didn't until we saw this gemstone! And the size? Measuring an impressive 13.7mm x 10.9mm x 7.4mm, this classic emerald cut amethyst is ready to set and impress. 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:
Sparkling 14.95ct round cut Bolivian Amethyst set
Lot 3964016:

This matched set of amethyst is alive with glittering flashing and bright lavender hues that shine through eye clean to VS clarity. They measure approximately 9mm with an average weight of 2.49 carats each making them perfect for individual setting or combined for a substantial jewelry piece. And on top of that, they all shine with glistening superior lusters. All of these are untreated gemstones 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:
Amazing violet to pink 31.38ct uncut Sapphire!
Lot 3964028:

It's time to put your collectors hats on ladies and gentlemen. Presented here is over 31 carats of pure sapphire with a rich violet and pink hue! It has fantastic size, measuring 18mm x 13mm x 11.7mm, and is all natural with no treatments! This is what the sapphire vein looked like after it was mined, minus the matrix of course, and it would make a standout display piece in any collection. Sourced from Madagascar. 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:
NATURAL OPAL LOOSE-7.48 CARATS OVAL CABOCHON CUT
Lot 3964541:

NATURAL OPAL, 7.48 CARATS OVAL CABOCHON CUT, MEASSURING 21.00 MM X 11.00 MM. THIS OPAL HAS LOTS OF LUSTER AND WOULD BE PERFECT AS A PENDANT OR RING . 

Current Bid:
Natural Rough Crystals - Lot of 4
Lot 3962559:

Natural crystals as they formed in the earth.   Lot of 4 contains topaz, kunzite and tourmalines.  Total weight: 25.26 grams.

Treatment:  none.

Current Bid:
Brilliant! Don't miss this outstanding 7.21ct Topaz set! 12x8mm!
Lot 3964033:

Look at that color! This matched pair of topaz practically glows in vibrant Swiss blue hues and are filled with glittering flashing that brightens their already brilliant color. Measuring 12x8mm with an average weight of 3.60 carats each and eye clean clarity, these topaz are perfect for setting. Whether individually or as an impressive set, you can't go wrong adding these to your jewelry collection. 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:
It's 2.19 carats! It's London Blue! It's oval cut! It's 9x7mm!
Lot 3964008:

Get ready for a slice of premium color, because we’ve got an amazing topaz for you! And it's got a classic oval cut! This cut and color combination is as exciting as it is beautiful, giving you a gemstone that is certain to draw attention. And it measures an impressive 9mm x 7mm x 4.5mm! That's a fantastic size to weight ratio! But it's what's on the inside that really makes this gem a stunner. And that is a bold London blue hue with preferred medium saturation and a strong tone. And flashing. Lots of glittering flashing. Did we mention the premium VS clarity yet? Because it's got that too. So let's see, its got the cut, its definitely got the color, AND its got the clarity. The only thing it's missing is a place to live, but we think you've already decided to fix that issue. 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:
Natural Watermelon Tourmaline - Lot of 3
Lot 3962558:

Natural watermelon tourmaline - lot of 3.

Nature is fascinating: natural tourmaline slices - growth lines visible. 

Total weight: 7.44 cts.

Treatment: none

Current Bid:
Outstanding color! 7.06ct real ruby red Garnet set!!
Lot 3964036:

Wow! Don't miss your chance to own this amazing set. They sparkle and pop in brilliant shades of red through eye clean to VS clarity with superior lusters that dance across every facet. The color of these garnets is a beautiful ruby red tempered with a touch of amber that naturally lightens their tone while retaining their deep color palette. Measuring 4x3mm with an average weight of .23 carats each, this untreated set of Mozambique garnets is ready to set and impress. 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:
Oval cut and bright green! 1.79ct Colombian Emerald set!
Lot 3964037:
This is such a lovely set! With four oval cut gemstones weighing approximately .44 carats each, this collection is perfect for jewelry design, enhancing your jewelry collection, or simply stashing away for future generations. They display matched green hues and measure 6x4mm each making this a very cohesive set with enough weight to make them substantial additions. Don't miss this amazing set of REAL Colombian emeralds! Oiled only!!!
Current Bid:
Natural Green Sapphire - Lot of 5
Lot 3962547:

Natural green sapphire lot of 5 – undervalued and under appreciated.

Total weight 2.84 cts.  Calibrated size: 4x6mm

Treatment: heat only. No fillers, no diffusion treatment, not irradiated.

Current Bid:
NATURAL OPAL - 14.4 CARATS PEAR CABOCHON CUT
Lot 3964542:

NATURAL OPAL, 14.4 CARATS PEAR CABOCHON CUT, MEASSURING 21.00 MM X 15.00 MM. THIS OPAL HAS LOTS OF LUSTER AND WOULD BE PERFECT AS A PENDANT OR RING .

Current Bid:
Real! Silky 3.14ct blue black Sapphire! Heated only!
Lot 3964030:

This gemstone is simply incredible. It shows a silky blue black hue with full saturation, giving this sapphire amazingly rich color with an almost liquid appearance. The oval cut of this piece has a low domed top giving it greater surface area and creating a sparkling kaleidoscope effect with its mirror grade luster. This sapphire has great size, weighing 3.14 carats and measuring 8.7mm x 7.3mm x 5.5mm, and has a Mohs hardness rating of 9 out of 10 making it the perfect addition to your gem and jewelry collection. Sourced from Madagascar. 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:
Large Shield Shaped Aquamarine
Lot 3962545:

Artfully faceted natural aquamarine.

This shield-shaped beauty measures 15x23.5mm.  It weighs 16.64 cts. 

Treatment: heat only.

Current Bid: