19th Century Loose Gemstones
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Period: 19th Century
Ancient Persian Sasanian Empire Emerald Intaglio Seal
Located in New York, NY
An ancient Persian Sasanian Empire hand carved Emerald intaglio bead seal. Carved Gemstones, Ancient Artifacts and Historical Memorabilia For Collector...
Category
Unknown Antique 19th Century Loose Gemstones
Materials
Emerald, Sterling Silver
$360 Sale Price
40% Off
1.01 Ct Old Mine Cut Diamond - GIA Certified! "Taylor Swift" Style
Located in Ramat Gan, IL
1.01ct Old Mine Cut Diamond – Antique Charm with Soul M Color SI2 Clarity Vintage Cushion Shape
Looking for a diamond with real character? This 1.01ct Old Mine Cut diamond is ful...
Category
Antique 19th Century Loose Gemstones
Materials
Diamond
Loose GIA Certifed 0.94ct J Si1 Old European Cut Diamond
Located in Amsterdam, NL
This is an a geniune antique 0.94ct old european cut diamond. The color is J and the clarity is Si1; the diamond faces up quite white and it is eye-clean. Importantly, it is GIA certified. The diamond will come in a black velvet display case...
Category
Antique 19th Century Loose Gemstones
Materials
Diamond
8.08 Carat Opal
Located in Bangkok, TH
This piece is a massive and stunning, 8.08 Carat Opal, in a mesmerising, and unique shape, with a grey and red hue. Opals are a unique and captivating type of gemstone known for thei...
Category
Edwardian Antique 19th Century Loose Gemstones
Materials
Opal, Black Opal, Platinum
$899
Antique Victorian Red Coral Intaglio Seal Bead
Located in New York, NY
An antique 19th-century stone intaglio seal bead. Round shape, faceted surface. The intaglio depicts a rose flower. Victorian Collectibles, Mineral Stone Carvings, Stamps And Seals.
...
Category
European Antique 19th Century Loose Gemstones
Materials
Coral, Sterling Silver
$360 Sale Price
40% Off
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
Italian Victorian Antique 19th Century Loose Gemstones
Materials
Agate
6.42ct Old Mine Cut Antique Vintage Diamond - Unique ! "Taylor Swift" Style
Located in Ramat Gan, IL
6.42ct Old Mine Cut Antique Vintage Diamond – A Rare and Remarkable Treasure
Step into timeless elegance with this extraordinary 6.42-carat Old Mine Cut diamond, a true antique marv...
Category
Antique 19th Century Loose Gemstones
Materials
Diamond
Antique Cameo Signed G. Stella Tiara
Located in New York, NY
Weight: 46.3 Grams
Stone: Sardonyx Shell
Measurements: 3.45 x 135.28 x 51 mm
Signed: G. Stella.
ITEM #: BR-1463-112624-12
Circa 1840s. Museum Quality Cameo Tiara...
Category
Neoclassical Antique 19th Century Loose Gemstones
Materials
Other
$22,992 Sale Price
20% Off
GIA-Certified Old European Brilliant Cut Natural Diamond
Located in Palm Desert, CA
This exceptional 2.46ct loose natural diamond showcases a stunning Old European Brilliant cut and comes certified with GIA report number 2233774142, issued on November 13, 2025. With...
Category
Unknown Late Victorian Antique 19th Century Loose Gemstones
Materials
Diamond
$13,460 Sale Price
20% Off
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
Unknown Antique 19th Century Loose Gemstones
Materials
Agate, Sterling Silver
5.03 Carat Opal
Located in Bangkok, TH
This piece is a stunning, 5.03 Carat Opal, in a mesmerising, unique shape. Opals are a unique and captivating type of gemstone known for their play-of-color, which is a shifting arra...
Category
Edwardian Antique 19th Century Loose Gemstones
Materials
Opal, Black Opal, Platinum
$599
Sparkling 2.50 Carats Natural Loose Fire Sphene Titanite Gem Oval Shape
Located in Peshawar, PK
Loose Sphene
Weight: 2.50 Cara
Dimension: 9.2x6.9x5 Mm
Origin: Warsak Pakistan
Shape: Oval
Treatment: Non
Color: Yellow Fire
Certificate: On Client Dem...
Category
Pakistani Arts and Crafts Antique 19th Century Loose Gemstones
Materials
Hematite
$480 Sale Price
20% Off
GIA Emerald Cameo 20.10ct Ural Mountains Origin
Located in New York, NY
It is quite rare to find an emerald cameo that is this large a size.
The motif of the woman with flowing hair is possibly a Gorgon as in Medusa. The wei...
Category
European Victorian Antique 19th Century Loose Gemstones
Materials
Emerald
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
British Victorian Antique 19th Century Loose Gemstones
Materials
Agate
Italian Micromosaics Microsaic Colosseo Romano Colosseum Roman
Located in Milano, IT
Two wonderful 1800 circa Micro mosaic handmade by craftsmen and assembled with micro mosaic made in onyx depicting the colosseum of Rome.
Brooch total weight 27.80 grams circa
Category
Unknown Antique 19th Century Loose Gemstones
Materials
Onyx
Natural Vivid Gradient Green Halo Donut Jadeite, Round Circle Jade Pendant
Located in Kowloon, HK
Behold the captivating beauty of this stunning natural jade donut pendant, a true masterpiece of Mother Nature. Crafted from the finest Type-A Myanmar jadeite jade, this pendant radi...
Category
Hong Kong Art Deco Antique 19th Century Loose Gemstones
Materials
Jade
$4,080 Sale Price
20% Off
Eye Catching Natural Loose Mintgreen Tourmaline Cushion Shape Ring Gem 3 Carats
Located in Peshawar, PK
Loose Tourmaline
Weight: 3.0 Carats
Dimension: 9.5x7x5 Mm
Origin: Kunar Afghanistan
Shape: Cushion
Color: Mint Green
Treatment: Non
Certificate: On Demand
Tourmaline is a gemstone...
Category
Afghan Arts and Crafts Antique 19th Century Loose Gemstones
Materials
Tourmaline
$416 Sale Price
20% Off
28.57 Carat Black Australian Opal
Located in Bangkok, TH
This piece is a massive and stunning, 28.57 Carat Black Opal, in a mesmerising, trillion-cut shape. Opals are a unique and captivating type of gemstone known for their play-of-color,...
Category
Edwardian Antique 19th Century Loose Gemstones
Materials
Opal, Black Opal, Platinum
9.03 Carat Opal
Located in Bangkok, TH
This piece is a massive and stunning, 9.03 Carat Opal, in a mesmerising, elongated-oval shape that has a gorgeous, sky-blue hue. Opals are a unique and captivating type of gemstone k...
Category
Edwardian Antique 19th Century Loose Gemstones
Materials
Opal, Black Opal, Platinum
$350
Antique "Europa Dancing with Zeus" Loose Cameo
Located in New York, NY
This finely carved antique shell cameo depicts the mythological scene of Europa dancing with Zeus, rendered with elegant movement and classical detail. The natural shell’s warm tones...
Category
Antique 19th Century Loose Gemstones
Materials
Other
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Natural Neon Seafoam Green Tourmaline Cushion Cut Loose Gemstone – Premium Quality Rare Collector’s Stone for Engagement Ring, Fine Jewelry, Investment!!
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4.48 carats Sea Blue Aquamarine Stone Pear Cut Natural African Gemstone
Located in Bangkok, TH
Weight 4.48 carats
Dimensions 10.92x10.50x7.7 mm
Treatment none
Clarity VVS
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Shape Pear
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1.15 Carats Loose Green Tourmaline Stone Emerald Cut Natural Afghan Gemstone
Located in Bangkok, TH
Weight 1.15 carats
Dimensions 6.1x5.7x4.4 mm
Treatment none
Origin Afghanistan
Clarity eye clean
Shape octagon
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The exquisite Green Tourmaline stone, boasting a w...
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W 0.23 in D 0.18 in L 0.25 in
2.50 Carat Natural Loose Blue Indicolite Tourmaline Ring Gemstone Emerald Shape
Located in Peshawar, PK
Loose Tourmaline
Weight: 2.50 Carats
Dimension: 8.5x6.5x4.5 Mm
Origin: Afghanistan
Shape: Emerald
Color: Dark Blue
Treatment: Non
Certificate: Customer Demand
Indicolite Tourmal...
Category
Afghan Arts and Crafts 19th Century Loose Gemstones
Materials
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W 0.26 in D 0.18 in L 0.34 in
9.95 Carats Natural Loose Amethyst Pixelated Cut Gem For Necklace
Located in Peshawar, PK
Loose Amethyst
Weight: 9.95 Carats
Dimension: 18 x 10 x 7.6 Mm
Colour: Purple
Origin: Brazil
Treatment: Non
Certificate: On Demand
Shape: Emerald
Cut : Pixel Cut
Amethyst, a stunni...
Category
Brazilian Arts and Crafts 19th Century Loose Gemstones
Materials
Amethyst
$216 Sale Price
20% Off
W 0.4 in D 0.3 in L 0.71 in
1.92 Carat Blue Spinel Lotus Certified
Located in Hua Hin, TH
1.92 Carat Blue Spinel from Sri Lanka
Shape: Antique. Cushion
Cutting Style: Faceted Brilliant Modified Step
Dimensions: 8.20 x 6.62 x 4.13 mm
Color: Blue with medium saturation and ...
Category
Sri Lankan 19th Century Loose Gemstones
Materials
Spinel
10.70 Carats Natural Loose Yellow Lemon Quartz Emerald Shape
Located in Peshawar, PK
Loose Lemon Quartz
Dimension: 15.6x11.6x8.5 Mm
Weight: 10.70 Cts
Origin: Brazil
Shape: Emerald
Color: Yellow
Treatment: Non
Certificate: On Demand
...
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Brazilian Arts and Crafts 19th Century Loose Gemstones
Materials
Quartz
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20% Off
W 0.46 in D 0.34 in L 0.62 in
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...
Category
European 19th Century Loose Gemstones
Materials
Sapphire
8.50 Carat Natural Loose Opal Cabochon From Ethiopia, Africa
Located in Peshawar, PK
Loose Opal Cabochon
Weight: 8.50 Carats
Dimension: 18.4 x 12.9 x 7.3 Mm
Origin: Ethiopia
Treatment: Non
Certificate: On Customer Demand
Opal is a mesmerizing gemstone celebrated f...
Category
Ethiopian Arts and Crafts 19th Century Loose Gemstones
Materials
Opal
14.00 Carat Natural Loose Opal Cabochon From Ethiopia
Located in Peshawar, PK
Loose Opal Cabochon
Weight: 14.00 Carats
Dimension: 17.5 x 15.6 x 11 Mm
Origin: Ethiopia
Treatment: Non
Certificate: On Customer Demand
Opal is a mesmerizing gemstone celebra...
Category
Ethiopian Arts and Crafts 19th Century Loose Gemstones
Materials
Opal
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...
Category
Brazilian Antique 19th Century Loose Gemstones
Materials
Tourmaline
Rare 19.17 Carat Ethiopian Opal Rectangular Oval Loose Gem - Merkaba Jewelry
By Merkaba
Located in Beverly Hills, CA
A Rare Ethiopian Opal for Collectors
Offered unmounted, this rare 19.17 carat Ethiopian Opal is cut in an elegant rectangular oval shape and displays a vivid, shifting play of color....
Category
Ethiopian Modern 19th Century Loose Gemstones
Materials
Opal, Platinum, Yellow Gold, Rose Gold, 18k Gold, Gold
$15,450
W 0.75 in L 1.18 in
Previously Available Items
Vintage Lot Of 41 Pearl Cameos Cameo Of Women Mixed Lot
Located in New York, NY
Lot of 41 cameo intaglio
All sizes see photos for size penny in photo not included
All vintage stock
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Unknown Antique 19th Century Loose Gemstones
Materials
Pearl, Sterling Silver
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
All vintage stock
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Unknown Antique 19th Century Loose Gemstones
Materials
Tiger's Eye, Sterling Silver
GIA-Certified Round Brilliant Cut Diamond
Located in Palm Desert, CA
This GIA-certified diamond, listed under report number 6233776195, features a classic round brilliant shape with elegant measurements of 7.07-7.26mm x 4.38mm and a total weight of 1....
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Unknown Modern Antique 19th Century Loose Gemstones
Materials
Diamond
Vintage Lot Of 200 Shell Cameos Cameo Of Women Mixed Lot
Located in New York, NY
Lot of 200 cameo intaglio
All sizes see photos for size penny in photo not included
All vintage stock
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Unknown Antique 19th Century Loose Gemstones
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Coral, Sterling Silver
4.28 Carat Old Mine Cut Diamond – M Color SI1 Clarity, GIA Certified
Located in Ramat Gan, IL
A diamond of timeless charm and historical allure, this 4.28-carat Old Mine Cut diamond carries with it the romance of antique craftsmanship paired with the assurance of modern certi...
Category
American Art Deco Antique 19th Century Loose Gemstones
Materials
Diamond
Antique Colored Glass Intaglio Cameo Plaques
Located in New York, NY
A lot of two antique, skillfully hand carved glass intaglio cameo plaques. One cameo of red glass has a rectangular, curved shape with a hand carved relief image of a female portrait...
Category
European Antique 19th Century Loose Gemstones
Materials
Sterling Silver
Antique Carved Glass Intaglio Collection
Located in New York, NY
A collection of antique intaglios featuring a variety of shapes glass portraits of both female and male profiles. Four pieces feature double and triple portraits of warriors. These e...
Category
European Antique 19th Century Loose Gemstones
Materials
Sterling Silver
Antique Coral Cameo With French Soldier Portrait
Located in New York, NY
An antique coral cameo of oval shape, exquisitely carved with a portrait of a French soldier. Antique Intaglios an Cameos And Classical Art Collectibles.
...
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Unknown Antique 19th Century Loose Gemstones
Materials
Coral, 22k Gold
Ancient Large Sasanian Carved Bloodstone Intaglio Bead
Located in New York, NY
An ancient Persian Sasanian Empire large hand carved Bloodstone intaglio bead seal. The intaglio depicts hieroglyphs and a lion in the center of the composition. Carved Gemstones, An...
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Ancient Sasanian Carved Bloodstone Intaglio Bead
Located in New York, NY
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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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