20th Century Loose Gemstones
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Period: 20th Century
4.10 ct. Natural Heart Amethyst Brazil Gemstone Fantasy Cut 12mm X 12mm
Located in Warren, NJ
The product is an 8.2 carat natural Brazil amethyst hexagon fantasy cut gemstone, measuring 13x13mm. This stunning gemstone is created naturally in Brazil, showcasing a unique hexago...
Category
Brazilian Vintage 20th Century Loose Gemstones
Materials
Amethyst
8.2 Ct Natural Brazil Amethyst Hexagon Fantasy Cut Natural 13X13
Located in Warren, NJ
The product is an 8.2 carat natural Brazil amethyst hexagon fantasy cut gemstone, measuring 13x13mm. This stunning gemstone is created naturally in Brazil, showcasing a unique hexago...
Category
Brazilian Vintage 20th Century Loose Gemstones
Materials
Amethyst
16.12 ct Brazil Amethyst Natural Fantasy Cut Cushion 16X16
Located in Warren, NJ
This stunning 16.12 ct Amethyst is a must-have for any gemstone collector. With a fantasy cut and a cushion shape, this natural gemstone measures 16 mm in both length and width. The ...
Category
Brazilian Vintage 20th Century Loose Gemstones
Materials
Amethyst
8 ct. Brazil Natural Amethyst Kite Fantasy Cut 16X13 Fancy
Located in Warren, NJ
This stunning 8 ct. Amethyst Kite Fantasy Cut gemstone is a must-have for any jewelry enthusiast. With its unique shape and intricate design, this gemstone is perfect for creating a ...
Category
Vintage 20th Century Loose Gemstones
Materials
Amethyst
6.3 ct. Brazil Natural Amethyst Fantasy Cut 16X12 Fancy
Located in Warren, NJ
This beautiful 6.3 ct. Amethyst is cut in a unique fantasy shape, reminiscent of a kite, and has a fancy form that adds to its beauty. The gemstone type is Amethyst and it is suitabl...
Category
Vintage 20th Century Loose Gemstones
Materials
Amethyst
23.7 ct. Brazil Natural Amethyst Seashell Fantasy Cut 23X17
Located in Warren, NJ
This beautiful 23.7 ct. Amethyst Gemstone is perfect for those who appreciate the beauty of natural stones. The Fantasy Cut shape of this Loose Gemstone is a unique and elegant way t...
Category
Vintage 20th Century Loose Gemstones
Materials
Amethyst
Pair of Loose Matching Pink Natural Tourmalines, Baguette Cut, 5.00ct (in total)
Located in MELBOURNE, AU
Pair of Matching Baguette Cut Loose Natural
Intense Pink Tourmalines of
excellent clarity
Measurements of each: 13.5mm x 6mm
Total carat weight: 5.00ct.
Category
Australian 20th Century Loose Gemstones
Materials
Tourmaline
Antique Jade Gourd Carving
Located in New York, NY
This antique jade carving features a gourd form intricately detailed with flowing vine motifs. The craftsmanship captures the natural curves and textures of the gourd and tendrils, s...
Category
20th Century Loose Gemstones
Materials
Jade
GIA Certified 0.68ct Round Brilliant Loose Diamond
Located in Laguna Beach, CA
Loose round brilliant diamond, .68 carats.
GIA-graded H color, VS1 clarity, symmetry is good.
The GIA grading report number is 2221722902...
Category
20th Century Loose Gemstones
Materials
Diamond
1.05ct Fine Blue Spinel Marquise Cut Rare Gemstone 9.6x4.4mm Loose Rare Gem
Located in Birmingham, GB
1.05ct Fine Blue Spinel Marquise Cut Rare Gemstone 9.6x4.4mm Loose Rare Gem
Fine Natural Vivid Blue Spinel Gemstone.
1.05 Carat spinel with a fine vivid blue colour and good clarity...
Category
20th Century Loose Gemstones
Materials
Spinel
Loose Natural Tourmaline, Baguette Cut, 4.50ct., Vivid Bright Red
Located in MELBOURNE, AU
Baguette Cut Loose Natural Vivid Red Tourmaline
Excellent clarity
Measurements: 17mm x 6mm x 4mm
Carat weight: 4.50ct.
Category
Australian Vintage 20th Century Loose Gemstones
Materials
Tourmaline
Natural Loose Purplish Red Tourmaline, Baguette Cut, 3.00ct (12mm x 6.5mm)
Located in MELBOURNE, AU
Measurements: 12mm x 6.5mm x 5mm
Weight: 0.60gr.
Carat weight: 3.06ct.
Category
Burmese 20th Century Loose Gemstones
Materials
Tourmaline
1940s Retro Diamond Rubies 18K Yellow White Gold Tank Cocktail Ring
Located in Pamplona, Navarra
Superb tank ring, organic design typical for this period.
Ring in 18 karat yellow and white gold, diamonds and rubies.
Circa 1935-1940
Old European diamond cut and rond cut rubys.
To...
Category
French Retro Vintage 20th Century Loose Gemstones
Materials
Diamond, Ruby, 18k Gold, White Gold, Yellow Gold
Natural loose 1.32 Carat K SI3 Round Brilliance Diamond
Located in New York, NY
ITEM DESCRIPTION
ID #:NYC57484
Stone Shape:Round Brilliance
Diamond Weight:1.32 carat
Clarity:SI3
Color:K
Cut: Round
Measurements: 6.86 x 6.86 x 4.38 mm
Appraisal Value:$2965.00
Ou...
Category
20th Century Loose Gemstones
Materials
Diamond
$1,580 Sale Price
20% Off
5.36ct Natural Watermelon Loose Tourmaline of Emerald Cut.
Located in MELBOURNE, AU
Fine, Rare & Sought-after
Natural Watermelon Tourmaline
of Emerald Cut
of impressive size - 5.36ct
(20.1 x 5.2 x 4.5 mm)
of distinctive watermelon colour -
graduating from gree...
Category
Australian 20th Century Loose Gemstones
Materials
Tourmaline
Round Brilliant Cut Loose Diamond 0.94 ct
Located in Laguna Beach, CA
Loose .94 carat round brilliant cut
No grading certificate.
Grading is done by a GIA graduate gemologist.
The color is H to i color, Si to i1 clarity.
There is a small feather under an outer crown facet...
Category
20th Century Loose Gemstones
Materials
Diamond
GIA Certified Oval Brilliant Loose Diamond 1.48ct
Located in Laguna Beach, CA
1.48-carat oval brilliant cut diamond.
GIA graded H color, Vs1 clarity.
Measures 7.89 x 6.31 x 4.51mm
The grading report number is 1226958994.
Comes with the original grading certifi...
Category
20th Century Loose Gemstones
Materials
Diamond
.46 Carat Loose Diamond, Marquise Cut GIA Graded Solitaire SI2 D
Located in Greensboro, NC
Shape/Cut: Marquise
Clarity: SI2
Color: D
Dimensions (mm): 6.90 x 3.98 x 2.88
Weight: 0.46ct
GIA Report Number: 2195938984
Please check out the enlarged pictures.
Thank y...
Category
Unknown 20th Century Loose Gemstones
Materials
Diamond
.77 Carat Princess Cut Diamond EGL USA Graded Loose Solitaire
Located in Greensboro, NC
Shape/Cut: Princess
Clarity: I1
Color: E
Dimensions (mm): 4.94 X 4.72 X 3.69
Weight: 0.77ct
EGL USA Report Number: US 42746215D (the diamond is laser inscribed but we do not hav...
Category
Unknown 20th Century Loose Gemstones
Materials
Diamond
.53 Carat Loose Diamond, Marquise Cut GIA Graded Solitaire VS2 D
Located in Greensboro, NC
Shape/Cut: Marquise
Clarity: VS2
Color: D
Dimensions (mm): 6.92 x 4.09 x 3.25
Weight: 0.53ct
GIA Report Number: 5191372370
Please check out the enlarged pictures.
Thank you f...
Category
Unknown 20th Century Loose Gemstones
Materials
Diamond
0.73ct Deep Blue Natural Sapphire Oval Loose Cut Gemstone VS
Located in Birmingham, GB
0.73ct Deep Blue Natural Sapphire Oval Loose Cut Gemstone 5.8x4.8mm VS
Natural Green Blue Sapphire Gemstone.
0.73 Carat with a beautiful deep blue colour and good clarity, a clean s...
Category
20th Century Loose Gemstones
Materials
Sapphire, Blue Sapphire
GIA Certified Round Brilliant Loose Diamond 1.12ct
Located in Laguna Beach, CA
1.12ct round brilliant cut diamond.
GIA-graded H color, Si1 clarity,
Very good cut grade.
Faces up very brilliantly.
The GIA report number is 5231411122.
Comes with a full GIA gradin...
Category
20th Century Loose Gemstones
Materials
Diamond
Natural 2.28ct Vivid Pink Red Rhodolite Garnet Cushion Loose Gemstone
Located in Birmingham, GB
Natural 2.28ct Vivid Pink Red Rhodolite Garnet Cushion 8.7x7mm Loose Gemstone
Natural Loose Rhodolite Garnet Gem.
2.28 Carat with a beautiful...
Category
20th Century Loose Gemstones
Materials
Garnet, Rhodolite
2.03ct Fine Deep Purple Spinel Natural Oval Cut 8.5x6.3mm Loose Rare Gem VS
Located in Birmingham, GB
2.03ct Fine Deep Purple Spinel Natural Oval Cut 8.5x6.3mm Loose Rare Gem VS
Natural Deep Purple Spinel Gemstone.
Beautiful 2.03 Carat spinel with a deep purple colour. This spinel a...
Category
20th Century Loose Gemstones
Materials
Spinel
35.80ct Loose Bi-Color Tourmaline Gemstone, Craved Silhouette JAGi Graded
Located in Greensboro, NC
Shape/Cut: Carved Silhouette
Clarity: Moderately Included
Color: Very Strong Bluish Green
Dimensions (mm): 40.000 x 22.200 x 5.850
Weight: 35.80ct
Cut Grade: Good
JAGi Report...
Category
Unknown 20th Century Loose Gemstones
Materials
Tourmaline
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