Agate Loose Gemstones
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Gemstone: Agate
Collection of Unmounted 19th Century Lava Cameos
Located in Riverdale, NY
Collection of 5 Unmounted Lava Cameos from the 19th Century. Various profiles of well known figures in different tones of hand carved lava. The central cameo has a line across forehe...
Category
1860s Italian Victorian Antique Agate Loose Gemstones
Materials
Agate
Ancient Susanian Carved Agate Head Intaglio Bead
Located in New York, NY
An ancient Sasanian hand carved red agate intaglio bead. The bead depicts a head with a high hairstyle. Ancient Sasanian Jewelry Wares and Accessories and Collectibles.
Dimensions: ...
Category
19th Century Unknown Antique Agate Loose Gemstones
Materials
Agate, Sterling Silver
Natural Agate Chalcedony Horse Face Carving Loose Gemstone for Pendant Brooch
Located in Jaipur, Rajasthan
Stylish natural agate chalcedony horse face carving loose gemstone for pendant brooch.
The agate horse carving is a stunning representation of elegance and strength, featuring a bea...
Category
21st Century and Contemporary Indian Contemporary Agate Loose Gemstones
Materials
Agate, Chalcedony
29.92 ct Square Ametrine, 100% Natural Very Rare Single Source Gem from Bolivia
Located in Toronto, Ontario
Description:
Gem Type: Ametrine
Number of Stones: 1
Weight: 29.92 cts
Measurements: 19.20x19x11.10 mm
Shape: Square
Cutting Style Crown: Modified Brilliant
Cutting Style Pavilion: S...
Category
2010s Bolivian Agate Loose Gemstones
Materials
Agate
31.87 ct Square Ametrine, 100% Natural Very Rare Single Source Gem from Bolivia
Located in Toronto, Ontario
Description:
Gem Type: Ametrine
Number of Stones: 1
Weight: 31.87 cts
Measurements: 18x16.80x13 mm
Shape: Square
Cutting Style Crown: Modified Brilliant
Cutting Style Pavilion: Step...
Category
2010s Bolivian Agate Loose Gemstones
Materials
Agate
32.35 ct Square Ametrine, 100% Natural Very Rare Single Source Gem from Bolivia
Located in Toronto, Ontario
Description:
Gem Type: Ametrine
Number of Stones: 1
Weight: 32.35 cts
Measurements: 18.10x16x13.20 mm
Shape: Square
Cutting Style Crown: Step Cut
Cutting Style Pavilion: Step Cut
Tr...
Category
2010s Bolivian Agate Loose Gemstones
Materials
Agate
34.60 ct Cushion Checkerboard Ametrine, 100% Natural Very Rare Single Source Gem
Located in Toronto, Ontario
Description:
One Loose Ametrine
Weight: 34.60 cts
Measurements: 17.79x17.49x13.71 mm
Shape: Cushion Checkerboard
Cutting Style: Cushion
Cutting Style Crown: Checkerboard
Cutting St...
Category
2010s Bolivian Agate Loose Gemstones
Materials
Agate
12.78 carats Deep Green Natural Agate Pair Cabochon Cut from India
Located in Bangkok, TH
Weight 12.78 carats
Dimensions 14.2x10.1x6.1 mm
Treatment none
Origin India
Diaphaneity translucent
Shape oval
Cut cabochon
This exquisite pair of deep green natural agate cab...
Category
21st Century and Contemporary Indian Modern Agate Loose Gemstones
Materials
Agate
Tablet Shape Hand Carved Lime Banded Agate Ancient Galley Sailing
Located in New York, NY
Commissioned by Castellani® Jewellers and added to the Castellani® Gemstone Collection is this Banded Lime Green Agate Intaglio.
The banded lime green agate was originally set into V...
Category
19th Century British Victorian Antique Agate Loose Gemstones
Materials
Agate
31.72 ct Cushion Checkerboard Ametrine, 100% Natural Very Rare Single Source Gem
Located in Toronto, Ontario
Description:
One Loose Ametrine
Weight: 31.72 cts
Measurements: 19.54x16.86x12.24 mm
Shape: Cushion Checkerboard
Cutting Style: Cushion
Cutting Style Crown: Checkerboard
Cutting St...
Category
2010s Bolivian Agate Loose Gemstones
Materials
Agate
Related Items
Hand Carved Sapphire Cameo of a Pharaoh's Sarcophagus GIA
Located in New York, NY
From the Castellani® Collection of Carved Gemstones is a finely detailed cushion shape Sapphire Cameo of a Pharaoh's Sarcophagus.=7.95ct
This hand carved sapphire cameo is of the "he...
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Certified 3, 01 Carat Diamond J VS1
Located in Monte Carlo, MC
Gorgeous 3,01 carat J VS1 diamond. The stone is very nicely cut and rather well spread ( it looks like most 3,25ct ) .
J color is in the "near-colorless" range which means that it contains noticeable color only when compared side to side to higher color grades. It still typically appears colorless face up that is why J color diamonds...
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21st Century and Contemporary Contemporary Agate Loose Gemstones
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Vintage Lot Of 41 Pearl Cameos Cameo Of Women Mixed Lot
Located in New York, NY
Lot of 41 cameo intaglio
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3.87 Carat Unset Loose Unmounted Oval Cat's Eye Green Tourmaline Gemstone
Located in Los Angeles, CA
This lovely green cat's eye tourmaline is a rare occurance in nature. Weighing 3.87 carats and measuring 8.72 x 8.34 x 6.12 millimeters, this is the perfect size for a ring. The clear, sharp and straight eye dances across a translucent, spearmint green body color that will make you think of the great outdoors! What a wonderful way to honor nature! We specialize in custom made jewelry...
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6.41 Ct Blue Sapphire Oval Loose Gemstone
Located in Fort Lee, NJ
A highly precious September birthstone with a delighting blue color. They are believed to bring good luck & fortune to life.
Explore vibrant collection of Emerald, Ruby & Sapphires i...
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Neon Bluish Green Tourmaline 2.05 Ct Emerald Cut Natural Loose Gemstone for Ring
Located in Peshawar, PK
Neon Bluish Green Natural Tourmaline Loose Gemstone for Ring, Necklace Pendant, Bracelet or any other Jewelry Setting- Emerald Cut!!
💎 GEMSTONE TYPE: Tourmaline
⚖️ WEIGHT: 2.05 Car...
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$759 Sale Price
20% Off
W 0.19 in D 0.14 in L 0.53 in
Mahenge Tanzania Red Spinel 2.96 Carat Pear Cut Loose Gemstone, Unmounted
By Merkaba
Located in Beverly Hills, CA
Extraordinary 2.96 Carat Red Spinel Pear-Shaped Gem from Mahenge, Tanzania: A Rare Treasure for Collectors and a Perfect Holiday Gift By Merkaba Beverly Hills.
Introducing a 2.96 carat Red Spinel, masterfully cut into an elegant pear shape and sourced from the legendary mines of Mahenge, Tanzania. This exceptional gemstone, offered loose, is a collector’s dream and a romantic holiday gift for someone truly special. With its intense crimson hue, superb clarity, and rare origin, this Spinel embodies the beauty and rarity of nature’s finest creations. Whether preserved as part of a gemstone collection or transformed into bespoke jewelry, this gem promises to captivate hearts and minds.
The Allure of Mahenge Red...
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1.57 Carat Oval Unset Loose Unmounted Aquamarine Gemstone
Located in Los Angeles, CA
This 1.57 carat aquamarine is of the finest quality, having an unusually dark, saturated color with exceptional clarity and brilliance. It measures 8.70 x 6.17 millimeters and it would look stunning set in either white or yellow gold, with or without diamonds...
Category
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Materials
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Vintage Tiger Eye Intaglio Cameo Lot Of 120 Pieces Roman Soldier
Located in New York, NY
Lot of 140 tiger eye cameo intaglio
All sizes see photos for size penny in photo not included
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Materials
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Natural Aquamarine Carved Leaf Loose Gemstone Rare Size and Hand Carving
Located in Jaipur, RJ
Weight: 120.55 Carats
Size: 50x22 MM
Pieces: 2
Category
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12.00 Carat Trillion Ethiopian Opal Loose Gemstone Unmounted Merkaba Jewelry
By Merkaba
Located in Beverly Hills, CA
Offered loose and unmounted, this rare 12.00 carat trillion cut Ethiopian opal is prized for its vivid play of color and modern triangular silhouette. With flashes that can shift thr...
Category
21st Century and Contemporary Ethiopian Modern Agate Loose Gemstones
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$9,980
W 0.76 in L 0.8 in
.85 Carat Cushion Cut Unset Loose Unmounted Red Spinel Gemstone
Located in Los Angeles, CA
If you are looking for a superb, fine-quality red spinel, look no further than this lovely gem! Petite and absolutely stunning, this cushion-shaped spinel weighs .85 carat and measures 5.92 x.4.80 millimeters. It has gorgeous pure red color, superior clarity, and exceptional brilliance for which natural spinel is so highly prized, especially by fine gemstone collectors. This is a truly beautiful gemstone! We specialize in custom made jewelry...
Category
21st Century and Contemporary Artisan Agate Loose Gemstones
Materials
Spinel
Previously Available Items
4.54 carats Green Agate Stone Oval Cut Natural Indian Gemstone
Located in Bangkok, TH
Weight 4.54 carats
Dimensions 13.7x10.1x4.6 mm
Treatment none
Origin India
Diaphaneity Translucent
Shape oval
Cut cabochon
This 4.54 carat Green Agate gemstone showcases the ...
Category
21st Century and Contemporary Indian Modern Agate Loose Gemstones
Materials
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Large Octagonal Hand Carved Banded Agate Stone
Located in New York, NY
A large hand carved banded Agate stone. The octagonal shaped stone has blue, white, and brown banded rows. Carved Gemstones, Fine Jewelry And Decor...
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Collection Of Various Hand Carved Agate Intaglios
Located in New York, NY
A collection of five Victorian manner hand carved Agate intaglios in various sizes and shapes. The intaglios are decorated with floral, foliage, and ...
Category
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Collection Of Victorian Manner Carved Agate Intaglios
Located in New York, NY
A collection of ten Victorian manner hand carved Agate intaglios in various sizes and shapes. The intaglios are made of Agate in blue, purple, red and white shades. Carved Gemstones,...
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Antique Victorian Era Blue Agate Intaglio Seals
Located in New York, NY
A pair of antique 19th-century carved blue agate stone intaglio seals. Round shape. The intaglios depict cupids with torches. Victorian Collectibles, Mineral Stone Carvings, Stamps A...
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Ancient Mediterranean Agate Intaglio Seal Bead
Located in New York, NY
An ancient Mediterranean blue banded agate stone intaglio seal bead. 1st millenium BC. Disk shape. The intaglio depicts a zoomorphic figure. Historical Collectibles And Archaeologica...
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Ancient Mediterranean Agate Intaglio Seal Bead
Located in New York, NY
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