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Loose Gemstones

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Collaborate with a jeweler to turn these lab-certified gemstones into an extraordinary, one-of-a-kind work of art.

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Certified 8.77 Carat Natural Purple Sapphire for Bespoke Ring Creation
By Édéenne
Located in Paris, FR
This is an opportunity for you to get a bespoke piece of jewelry designed, working with legendary Paris High Jeweller Édéenne. Using this exceptional 8.37 carat purple sapphire – cer...
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Sapphire, Purple Sapphire

Harakh AGS Certified 2.13 Carat Natural Pigeon Blood Ruby Custom Made
By Harakh
Located in New York, NY
This is an opportunity for you to get a made to order jewelry designed and work with award winning jeweler Harakh Mehta. Presenting this stunning and rare AGS Certified vivid red ‘Pi...
Category

2010s Modern Loose Gemstones

Materials

Ruby

GIA Certified 3.49 Carat Round Brilliant Cut Diamond Studs VVS E/F Color
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 3.49 Carat Round Brilliant Cut Diamond Studs Excellent pair Faint and None Fluorescence E/F color VVS1/VVS2 Clarity
Category

2010s Modern Loose Gemstones

Materials

Diamond, White Diamond, 14k Gold

Padparadscha Sapphire Ring Gem 2.32 Carat Oval Loose Gemstone GIA Certified
By Tamir
Located in Beverly Hills, CA
Exclusive 2.32 carat orangy pink Padparadscha Sapphire oval gem, offered loose to a world-class gemstone connoisseur. The GIA certificate is attached to the image selection for your ...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Padparadscha Sapphire

Valentin Magro Pear Sapphire
Located in New York, NY
Valentin Magro Pear Sapphire originates from the Island of Gems. Sri Lanka has been famed for centuries for its abundance of jewels. Its sapphires in particular are noted for their s...
Category

2010s Loose Gemstones

Materials

Sapphire

Aquamarine Morganite Earrings Gemstone Pair of 8.47 Carat Unset Loose Gemstones
By Merkaba
Located in Beverly Hills, CA
Pair of "loupe clean" Aquamarine and Morganite pear shaped gems, offered loose for unique mismatched earrings. Returns are accepted and paid by us within 7 days of delivery. We offer...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Aquamarine, Beryl, Morganite

GIA Graded 1.00 Carat Oval Shape Diamond
Located in New York, NY
From the ‘GIA’ Collection, this is an 1.00ct GIA graded diamond. Each and every stones are carefully hand selected to give you the best quality that Goshwara is known for. • Gemsto...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Diamond

GIA Certified 3 Carat Emerald Cut Diamond
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 3 Carat Emerald Cut Diamond H Color VVS1 Clarity
Category

2010s Modern Loose Gemstones

Materials

Diamond, White Diamond, Emerald

Blue Green Tourmaline Ring Gem 3.07 Carat Marquise Loose Gemstone
By Tamir
Located in Beverly Hills, CA
3.07 carat "loupe clean" Bluish-Green Tourmaline gem, offered loose to a gemstone enthusiast. Returns are accepted and paid by us within 7 days of delivery. We offer supreme custom j...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Tourmaline

Aquamarine Ring Gem 7.86 Carat Oval Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Impressive 7.86 carat Brazilian Aquamarine oval gemstone, offered loose to someone special. Returns are accepted and paid by us within 7 days of delivery. We offer supreme custom jew...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Aquamarine, Beryl

Star Sapphire Ring Gem 5.17 Carat No Heat Unset Loose Gemstone
By Tamir
Located in Beverly Hills, CA
Natural 5.17 carat unheated "Ceylon" intense blue Star Sapphire oval cabochon gem, offered loose to a classy lady or gentleman. Returns are accepted and paid by us within 7 days of d...
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire, Star Sapphire

Valentin Magro Oval Color Change Purple Sapphire
Located in New York, NY
Valentin Magro Oval Color Change Purple Sapphire is a phenomenal jewel. Under day or fluorescent light, it showcases bluish violet colors. When exposed to incandescent light, it abso...
Category

2010s Loose Gemstones

Materials

Purple Sapphire

2.70 Carat Oval Shaped Blue and Pink Sapphire, Pair
Located in Admiralty, HK
2.70 Carat Oval Shaped Blue and Pink Sapphire Pair: A very beautiful and elegant pair, it features two natural pink and blue sapphires weighing a total of 2.70 carat. The sapphires ...
Category

2010s Contemporary Loose Gemstones

Materials

Blue Sapphire, Pink Sapphire

GIA Graded 1.51 Carat Emerald Shape Diamond
Located in New York, NY
From the ‘GIA’ Collection, this is an 1.51ct GIA graded diamond. Each and every stones are carefully hand selected to give you the best quality that Goshwara is known for. • Gemsto...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Diamond

GIA Certified 1.21 Carat Faint Pink Oval Diamond
By Antinori Fine Jewels
Located in Rome, IT
This amazing GIA certified fancy faint pink oval diamond can be a perfect solitaire engagement ring! We have the most skilled goldsmiths from Italy to create the perfect mounting.
Category

2010s Loose Gemstones

Materials

Diamond, Pink Diamond

Valentin Magro Oval Pink Sapphire
Located in New York, NY
Valentin Magro Oval Pink Sapphire exhibits strong color. Medium tones accent the pink hue, while intense saturation gives the stone a bright, candy colored look. Its oval cut allows ...
Category

2010s Loose Gemstones

Materials

Pink Sapphire

GIA Certified 3.19 Carat Fancy Light Purplish Pink Hear Shape Diamond VS1
By Antinori Fine Jewels
Located in Rome, IT
An incredible gift also an investment grade diamond to keep for the future 8.37x9.78 mm inquire us about the perfect mounting we have the best and most skilled italian goldsmiths
Category

2010s Modern Loose Gemstones

Materials

Diamond, Pink Diamond

3.02 Carat Unheated Round-Cut Burmese Pink-Purple Spinel
Located in Hong Kong, HK
3.02 Carat Unheated Round-Cut Burmese Pink-Purple Spinel: A beautiful gem, it is a 3.02 carat unheated round-cut Burmese pink-purple spinel. Hailing from the historic Mogok mines in...
Category

2010s Contemporary Loose Gemstones

Materials

Spinel

Salmon Pink Tourmaline Ring Gem 5.11 Carat Unset Oval Loose Gemstone
By Tamir
Located in Beverly Hills, CA
5.11 carat Salmon Tourmaline gem with pink undertones, offered loose to a fine gemstone collector. Returns are accepted and paid by us within 7 days of delivery. We offer supreme cus...
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Other, Tourmaline

GRS Certified Natural Ruby 4.04 Carat No Heat Vivid Red
By Harbor Diamonds
Located in New York, NY
Lively Octagonal shape Natural Ruby weighing 4.04 carats with No Heat. Color: Vivid Red Dimensions: 11.12 x 7.69 x 3.76 mm Please email for more rubies.
Category

2010s Contemporary Loose Gemstones

Materials

Ruby

Pink Topaz Ring Gem 7.90 Carat Unset Oval Brazil Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Pastel 7.90 carat Precious Brazilian Pink Topaz oval gemstone, offered loose to a special lady. Returns are accepted and paid by us within 7 days of delivery. We offer supreme custom...
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Topaz, Other

GIA Pear Cut 1.17 Carat Fancy Blue Diamond
By Antinori Fine Jewels
Located in Rome, IT
Color Natural Fancy Blue Shape PEAR MODIFIED BRILLIANT Clarity VS1 Cut Very Good
Category

2010s Modern Loose Gemstones

Materials

Blue Diamond

10.20 Carat Natural Unheated Round-Cut Burmese Aquamarine
Located in Hong Kong, HK
10.20 Carat Natural Unheated Round-Cut Burmese Aquamarine: A beautiful gem, it is a 10.20 carat unheated round-cut Burmese aquamarine. Hailing from the important Mogok stone tract i...
Category

2010s Contemporary Loose Gemstones

Materials

Aquamarine

Aquamarine Ring Gem 5.35 Carat Leaf Shape Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Fine and exclusive 5.35 carat Aquamarine leaf shaped gem, offered loose to a fine gemstone collector. Returns are accepted and paid by us within 7 days of delivery. We offer supreme ...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Aquamarine, Beryl

GIA Graded 0.74 Carat Round Shape Diamond
Located in New York, NY
From the ‘GIA’ Collection, this is an 0.74ct GIA graded diamond. Each and every stones are carefully hand selected to give you the best quality that Goshwara is known for. • Gemsto...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Diamond

6.37 Carat Natural Unheated Emerald-Cut Burmese Aquamarine
Located in Hong Kong, HK
6.37 Carat Natural Unheated Emerald-Cut Burmese Aquamarine: A beautiful gem, it is a 6.37 carat unheated emerald-cut Burmese aquamarine. Hailing from the important Mogok stone tract...
Category

2010s Contemporary Loose Gemstones

Materials

Aquamarine

GIA Certified 1.01ct Vivid Blue Untreated Sapphire Oval Cut Unheated Rare Gem
By Fine Jewels UK
Located in Bristol, GB
Fine Blue Untreated Sapphire Gemstone. Fine quality unheated sapphire with a beautiful blue colour. Fully certified by GIA confirming stone as natural and untreated. Very rare for n...
Category

21st Century and Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire

7.59 Carat Pear Shaped Carved Colombian Emerald Cabochon, Pair
Located in Admiralty, HK
7.59 Carat Pear Shaped Carved Colombian Emerald Cabochon, Pair: A very beautiful and elegant pair, it features two natural carved pear-shaped emerald cabochons weighing a total of 7...
Category

2010s Contemporary Loose Gemstones

Materials

Emerald

Blue Green Tourmaline Ring Gem 11.35 Carat Emerald Cut Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Magnificent 11.35 carat Bluish Green Tourmaline emerald cut gem, offered loose to an avid gemstone collector. Returns are accepted and paid by us within 7 days of delivery. We offer ...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Tourmaline

GIA Certified Fancy Intense Green Radiant Diamond
By Antinori Fine Jewels
Located in Rome, IT
Amazing intense green diamond for investment purposes
Category

2010s Modern Loose Gemstones

Materials

Diamond

No Oil Emerald Ring Gem 16.27 Carat Certified Untreated Loose Gemstone
By Tamir
Located in Beverly Hills, CA
Ultra rare and exclusive 16.27 carat, untreated - no oil - Emerald gem, offered loose to a world-class gem collector. The G.I.A and Gubelin gem certificates are attached to the imag...
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Beryl, Emerald

0.62 Carat Briolette GIA Certified Fancy Yellow Diamond
Located in Richmond, GB
We are honoured to be able to present this unique gemstone for sale. The stone was mined in South Africa and has been naturally cut to reflect the manner in which the rough diamond w...
Category

21st Century and Contemporary Artist Loose Gemstones

Materials

Diamond, Yellow Diamond

Valentin Magro Cushion Cut Yellow Sapphire
Located in New York, NY
Valentin Magro Cushion Cut Yellow Sapphire has coveted features. One is its color, yellow with intense saturation. Another is its size. While most sapphires measure under 5 carats, t...
Category

2010s Loose Gemstones

Materials

Yellow Sapphire

GIA Certified 4.00 Carat Fancy Yellow Cushion Diamond
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 4.00 Carat Fancy Yellow Cushion Diamond
Category

2010s Modern Loose Gemstones

Materials

Diamond, Yellow Diamond

Mandarin Garnet Earrings Gemstone Pair 3.78 Carat Unset Oval Loose Gems
By Merkaba
Located in Beverly Hills, CA
Superb pair of Mandarin Garnet oval gems, weighing a total of 3.78 carats, offered loose to a fine gemstone lover. Returns are accepted and paid by us within 7 days of delivery. We o...
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Garnet, Mandarin Garnet

Star Sapphire Ring Gem 4.19 Carat No Heat Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Remarkable 4.19 carat unheated Ceylon Star Sapphire offered loose for a classy lady or gentleman. This exclusive no heat Star Sapphire would make an exquisite custom tailored jewelry...
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire, Star Sapphire

Loose 10.90 Carat Parti-Color Purple Pink Tourmaline Unset Ring or Pendant Gem
By Sarosi By Timeless Gems
Located in Los Angeles, CA
Tourmaline occurs in all colors of the rainbow, but purple tourmaline is quite unusual, especially in clean medium purple hues. This crystalline parti-color purple and pink tourmalin...
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Tourmaline

J. Birnbach GIA Certified 2.61 Carat Fancy Vivid Blue VS2 Pear Brilliant Diamond
By J. Birnbach
Located in New York, NY
There's blue and then there's blue... This breathtaking stone from J. Birnbach vault is one of the most incredible, natural colored diamonds in the world marketplace! Featuring a 2.6...
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Diamond, Blue Diamond

11.42 Ct. Paraiba Tourmaline, GIA, Loose Pendant, Enhancer, Collector Gemstone
By Sarosi By Timeless Gems
Located in Los Angeles, CA
There’s green tourmaline and then there's paraiba green tourmaline. This 11.42 carat beauty possesses classic paraiba tourmaline color - bright, electric green with flashes of peacoc...
Category

21st Century and Contemporary Artisan Loose Gemstones

Materials

Tourmaline, Paraiba

23.65 Carat Natural Loose Emerald Gemstone AAA
Located in Miami, FL
23.65 carat loose emerald. Superb loose sugar loaf cut emerald. 6.50 x 6.60 mm. Deep color and shine. 100% natural earth mined Colombian emerald. Vivid color and saturation. Perfect...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Emerald

1.70 Carat Cushion Double Rose GIA Certified Fancy Light Yellowish Brown Diamond
Located in Richmond, GB
We are honoured to be able to present this unique gemstone for sale. The stone was mined in South Africa and has been naturally cut to reflect the manner in which the rough diamond w...
Category

21st Century and Contemporary Artist Loose Gemstones

Materials

Brown Diamond, Yellow Diamond

Harakh Made-to-Order Handcrafted Engagement Ring with GIA 1.60 Carat Diamond
By Harakh
Located in New York, NY
This is an opportunity for you to get a bespoke piece of jewelry designed, working with award winning jeweler Harakh Mehta. Using this exceptional colorless diamond – certified as F ...
Category

2010s Modern Loose Gemstones

Materials

Diamond

Morganite 9.35 Carat Peach Orange Pink Beryl Pear Teardrop Cut Gem
By Fine Jewels UK
Located in Bristol, GB
Fine Natural Morganite Gemstone.  9.35 Carat with a beautiful pink orange (peach) colour and excellent clarity. Very clean stone. Also has an excellent pear/teardrop cut with good ...
Category

21st Century and Contemporary Loose Gemstones

Materials

Beryl, Morganite

23.91 Carat Unheated Burmese "Mogok" Star Ruby/Double Cabochon
Located in Hong Kong, HK
23.91 Carat Unheated Burmese "Mogok" Star Ruby/Double Cabochon: A beautiful and very rare gem, it is a massive 23.91 carat unheated Burmese "Mogok" star ruby/double cabochon. Haili...
Category

2010s Contemporary Loose Gemstones

Materials

Ruby, Star Ruby

12.91 Carat Jadeite Lavender Untreated Lilac Violet Jade ‘A’ Grade GCS Certified
By Fine Jewels UK
Located in Bristol, GB
Natural fine Jadeite stone with a beautiful Purple lilac/lavender colour Very large 12.91ct carat stone, with an excellent oval cabochon cut. The colour on this stone is stunning, a...
Category

21st Century and Contemporary Loose Gemstones

Materials

Jade

Pink Spinel Ring Gem 2.08 Carat Unset Pear Shape Mahenge Loose Gemstone
By Tamir
Located in Beverly Hills, CA
Special 2.08 carat Pink Spinel pear shape gem, from Mahenge Tanzania, offered loose to a world-class gemstone lover. Returns are accepted and paid by us within 7 days of delivery. We...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Other, Spinel

16.34 Carat Natural Unheated Cushion-Cut Burmese Vivid Purple Amethyst
Located in Hong Kong, HK
16.34 Carat Natural Unheated Cushion-Cut Burmese Vivid Purple Amethyst: A gorgeous gem, it is a 16.34 carat natural unheated cushion-cut Burmese vivid purple amethyst. Hailing fro...
Category

2010s Contemporary Loose Gemstones

Materials

Amethyst

7.22 Carat Heart-Shaped Unheated Blue, Pink, and Yellow Sapphire Trio
Located in Admiralty, HK
7.22 Carat Heart-Shaped Unheated Blue, Pink, and Yellow Sapphire Trio: A scintillating trio, it features three natural unheated yellow, pink, and blue sapphires weighing a total of ...
Category

2010s Contemporary Loose Gemstones

Materials

Blue Sapphire, Pink Sapphire, Yellow Sapphire

Star Sapphire Ring Gem 12.74 Carat No Heat Unset Loose Gemstone
By Tamir
Located in Beverly Hills, CA
Unheated 12.74 carat bluish grey Star Sapphire gem, offered loose to a classy lady or gentleman. Returns are accepted and paid by us within 7 days of delivery. All images are magnifi...
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Sapphire, Blue Sapphire, Star Sapphire

Tanzanite Ring Gem 5.54 Carat Round Unset Loose Gemstone
By Tamir
Located in Beverly Hills, CA
5.54 carat vivid Tanzanite round gem, offered loose to a gemstone lover. Returns are accepted and paid by us within 7 days of delivery. We offer supreme custom jewelry work upon requ...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Tanzanite

Terracotta Zircon Ring Gem 4.80 Carat Unset Round Loose Gemstone
By Tamir
Located in Beverly Hills, CA
Special 4.80 carat Terracotta Zircon round gem, offered loose to a gem lover. Returns are accepted and paid by us within 7 days of delivery. We offer supreme custom jewelry work upon...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Other, Zircon

Copper Tourmaline Ring Gem 3.15 Carat Round Unset Loose Gemstone
By Tamir
Located in Beverly Hills, CA
Very unique Copper Tourmaline round gem, offered loose to someone special. Returns are accepted and paid by us within 7 days of delivery. We offer supreme custom jewelry work upon re...
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Tourmaline, Other

Blue Green Tourmaline Ring Gem 9.64 Carat Unset Emerald Cut Loose Gemstone
By Merkaba
Located in Beverly Hills, CA
Exclusive 9.64 carat elongated emerald-cut Bluish Green Tourmaline gem offered loose to a very special lady or gentleman. Returns are accepted and paid by us within 7 days of deliver...
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Other, Tourmaline

Valentin Magro Cushion Cut Sapphire
Located in New York, NY
Valentin Magro Cushion Sapphire has famous origins. The jewel was mined from Sri Lanka, a country long noted for its abundance of gemstones and their colors. This sapphire displays d...
Category

2010s Loose Gemstones

Materials

Sapphire

Valentin Magro Cushion Cut Green Sapphires
Located in New York, NY
Valentin Magro Cushion Cut Green Sapphires contain rich colors. Their hues are green with a hint of blue. Medium dark tones deepen the appearance while strong saturation intensify th...
Category

2010s Loose Gemstones

Materials

Green Sapphire

Valentin Magro Cushion Cut Purple Sapphire
Located in New York, NY
Valentin Magro Cushion Cut Purple Sapphire boasts strong colors. Its hue is reddish purple with medium dark tones underscoring its appearance. The saturation, or intensity, is vivid,...
Category

2010s Loose Gemstones

Materials

Purple Sapphire

Valentin Magro Cushion Cut Orange Sapphire
Located in New York, NY
Valentin Magro Cushion Cut Orange Sapphire showcases fiery hues. Its color is orangey red, though may exhibit yellowish patches depending on the angle. Medium tone and strong saturat...
Category

2010s Loose Gemstones

Materials

Sapphire

Valentin Magro Oval Yellow Sapphire
Located in New York, NY
Valentin Magro Oval Yellow Sapphire is fashioned with a modified brilliant crown. Its pavilion features step faceting. The cut is proportioned allowing minimal dark patches and optim...
Category

2010s Loose Gemstones

Materials

Yellow Sapphire

Privately Curated Collection of Unset Loose Fancy Colored Spinel Gemstones
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This is a rare opportunity to acquire the collections of a true connoisseur of fine gemstones. These curated collections are the culmination of decades spent experiencing the market...
Category

21st Century and Contemporary Loose Gemstones

Materials

Spinel

GIA Certified 1.51 Carat Fancy Intense Yellow Diamond IF Clarity
By Antinori Fine Jewels
Located in Rome, IT
GIA Certified 1.51 Carat Fancy Intense Yellow Diamond
Category

2010s Modern Loose Gemstones

Materials

Diamond, Yellow Diamond