20th Century Loose Gemstones
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Period: 20th Century
Top Grade Natural Icy Type Imperial Green Halo Donut Jadeite Jade Loose Stone
Located in Kowloon, HK
Immerse yourself in the captivating beauty of this stunning natural imperial green jade donut pendant. Crafted from the finest Type-A Myanmar jadeite jade, this pendant is a true mas...
Category
Hong Kong Art Deco 20th Century Loose Gemstones
Materials
Jade
10.60 Carat Natural Loose Citrine Asscher Cut Ring Gemstone From Brazil Mine
Located in Peshawar, PK
Faceted Citrine
Weight : 10.60 Carats
Dimensions : 13x12.8x10.1 Mm
Clarity : Clean
Origin : Brazil
Color: Brown Yellow
Shape: Asscher
Certificate: On Demand
Month: November
.
The Man...
Category
Brazilian Arts and Crafts 20th Century Loose Gemstones
Materials
Citrine
GIA Certified Carved Colombia Emerald Loose Stone Weighing 4.35 Carats
By OGI Ltd
Located in New York, NY
Introducing our exquisite GIA certified carved Colombia Emerald loose stone, a true masterpiece of nature. This captivating gem weighs a remarkable 4.35 carats, making it a truly val...
Category
Colombian Contemporary 20th Century Loose Gemstones
Materials
Emerald
GIA Certificated Oval Carved Double Sided Cabochon Emerald Weighing 53.64 Carats
By OGI Ltd
Located in New York, NY
G I A G EMO L O G IC A L R E P O R T
EMERALD REPORT
GIA REPORT 522173152
Shape Oval Carved Double Cabochon
Transparency Translucent
Color Green
Species Natural Beryl
TREATMENT Clarity Enhanced (F2)
One loose stone
Weight: 53.64 carats
Measurements: 26.97 x 19.90 x 12.90 mm
An oval carved double-sided cabochon emerald weighing 53.64 carats, certified by GIA (Gemological Institute of America), can be considered rare and valuable
Comments: Due to their growth conditions in nature and recovery methods, most emeralds contain surface reaching features. For this reason, clarity enhancement is a common trade practice
Larger emeralds are generally rarer and more valuable, assuming all other quality factors are favorable
GIA is the most established certification company in the world. They have been around since 1931 and are the foremost authority on diamonds, gems and pearls. They are a non-profit organization that sets the standards for jewels and identification world-wide.
Gemstones are rare natural resources of nature. Each gemstone is unique. One can compare the market for gemstones well with the art market
Untreated gemstones are best suited for investment. In the case of sapphire and ruby, this implies that they are not heated, as 98...
Category
Colombian Contemporary 20th Century Loose Gemstones
Materials
Emerald
AGL Certified Gemstone Natural Corundum Pink Sapphire Weighing 2.92 Carats
By OGI Ltd
Located in New York, NY
AGL certificate Natural Pink Sapphire weighing 2.92 carats
Purplish Pink Color
Oval Shaped, mix cut
Heated
Color Stability Excellent
Measuring 8.63x7.11x5.10 mm
Natural corundum pi...
Category
Sri Lankan Contemporary 20th Century Loose Gemstones
Materials
Pink Sapphire
Natural Icy-type Tricolor Green Yellow White Halo Donut Circle Jade Loose Stone
Located in Kowloon, HK
Immerse yourself in the captivating beauty of this stunning natural tricolour jade doughnut pendant. Crafted from the finest Type-A Myanmar jadeite jade,...
Category
Hong Kong Arts and Crafts 20th Century Loose Gemstones
Materials
Jade
GIA Certified No Treatment Octagonal Natural Quartz Citrine Weighing 42.43 Carat
By OGI Ltd
Located in New York, NY
Rarity is an essential factor in determining the value of gemstones.
Natural citrines are rarer than amethysts or smoky quartz because they occur less frequently in nature. The abse...
Category
Malagasy Contemporary 20th Century Loose Gemstones
Materials
Citrine, Quartz
Hakimoto by Jewel of Ocean Pair of 17.5mm White Round Australian South Sea Pearl
Located in Hicksville, NY
Hakimoto By Jewel Of Ocean Round South Sea Pearl
Pair of 17.5 mm White
16.7 Grams
Australian South Sea Pearl
Aproximate
Category
American Modern 20th Century Loose Gemstones
Materials
Cultured Pearl, South Sea Pearl
GIA Certified 3.02 Carat Princess Cut Natural Diamond
Located in Coral Gables, FL
Loose 3.02 Carat Princess Cut Diamond GIA Graded (Report #10155902) As I Color and VS2 Clarity.
Category
20th Century Loose Gemstones
Materials
Diamond
Loose Oval Australian Opal Gemstone
Located in Towson, MD
This striking loose oval Australian opal measures 11.59 x 15.45 mm with a depth of 3.49 mm, and weighting 0.76 grams, showcases a mesmerizing play-of-color across its broad face. Min...
Category
Australian Contemporary 20th Century Loose Gemstones
Materials
Opal
Antique Cushion-Cut Diamond – 2.47ct
Located in Berlin, BE
Natural Antique Cushion-Cut Diamond – 2.47ct
A 2.47-carat natural diamond in an antique round cushion cut. Color: K, Clarity: VVS2, with medium fluorescence. A visible fracture filli...
Category
German Aesthetic Movement 20th Century Loose Gemstones
Materials
Diamond
GIA Certified 4.52ct Unheated Ceylon Blue Sapphire
Located in Amsterdam, NL
New into Vuceta Diamonds is this stunning 4.52ct blue sapphire. The stone is GIA certified as being from Sri Lanka (Ceylon) and is not heat-treated. Sri Lanka is one of the most desi...
Category
Sri Lankan Vintage 20th Century Loose Gemstones
Materials
Blue Sapphire
Hakimoto by Jewel Of Ocean 17.7 mm Special Gem Quality Round South Sea Pearl
Located in Hicksville, NY
Hakimoto By Jewel Of Ocean Round South Sea Pearl
17.7 mm Special
7.7 Grams
Scecial Color South Sea Pearl
Approximate
Category
American Modern 20th Century Loose Gemstones
Materials
Cultured Pearl, South Sea Pearl
11.50 Carat Enchanting Elegance Stunning Asscher Cut Green Amethyst Ring Gem
Located in Peshawar, PK
Faceted Green Amethyst
Weight: 11.50 Carats
Dimension: 14.5x11.7x9.9 Mm
Origin: Brazil
Shape: Emerald
Cut/Facet: Asscher
Color: Green
Certificate: On Demand
Green amethyst, als...
Category
Brazilian Arts and Crafts 20th Century Loose Gemstones
Materials
Amethyst
29.75 Carats Gigantic Natural Loose Aquamarine Included Gem For Necklace Jewelry
Located in Peshawar, PK
Loose Aquamarine
Weight: 29.75 Carats
Dimension: 21x16x13 Mm
Origin: Shigar Valley Pakistan
Shape: Cushion
Color: Light Seafoam
Treatment: Non / Natural
Aquamarine is a mesmerizi...
Category
Pakistani Arts and Crafts 20th Century Loose Gemstones
Materials
Aquamarine
27.35 Carats Natural Loose Bicolor Tourmaline 24 Mm Long For Necklace Jewellery
Located in Peshawar, PK
Loose Bicolor Tourmaline
Weight: 27.35 Carats
Dimension: 24X12X10.7 Mm
Origin: Kunar Afghanistan
Shape: Emerald
Color: Green & Peach Yello...
Category
Afghan Arts and Crafts 20th Century Loose Gemstones
Materials
Tourmaline, Multi-gemstone
Natural 7.60 Carat Loose Dark Purple Amethyst Trilliant Shape from Brazil
Located in Peshawar, PK
Gemstone Type : Amethyst
Weight : 7.60 Carats
Dimensions : 14x13.4x8.9 mm
Clarity : Eye Clean
Origin : Brazil
Color: Purple
Shape:Trillion
Certificate: On Demand
Month: February
Purp...
Category
Brazilian Arts and Crafts 20th Century Loose Gemstones
Materials
Amethyst
10.34ct Antique Cushion ! a collectors dream!
Located in Ramat Gan, IL
10.34ct Antique Cushion Diamond – A Timeless Masterpiece
Indulge in the brilliance of history with this breathtaking **10.34-carat Antique Cushion-Cut Diamond**. Showcasing a classi...
Category
North American Art Deco 20th Century Loose Gemstones
Materials
Diamond
Beauteous 4.10 Carats Natural Green Loose Emerald Zambia Mine Ring Jewellery
Located in Peshawar, PK
Loose Emerald
Weight: 4.10 Carats
Dimension: 9.3x9.1x6.5 Mm
Origin: Zambia
Color: Green
Certificate: On Customer Demand
Treatment: Non
.
Zambia, often referred to as the "Jewel of ...
Category
Zambian Arts and Crafts 20th Century Loose Gemstones
Materials
Emerald, Beryl
Stunning 2.80 Carats Natural Loose Yellow Citrine Fancy Trillion Cut Ring Gem
Located in Peshawar, PK
Loose Citrine
Weight: 2.80 Carats
Dimension: 9.8x9.8x6.5 Mm
Origin: Brazil
Shape: Trillion
Color: Yellow
Treatment: Non
Citrine, a radiant gemstone known for its warm golden hues,...
Category
Brazilian Arts and Crafts 20th Century Loose Gemstones
Materials
Citrine
Vintage Carved Angel Skin Coral Siren Mermaid Figurine Sculpture
Located in New York, NY
A charming coral sculpture. Crafted from coral, this piece depicts a serene mermaid with flowing hair and a gentle smile. The mermaid's tail is intricately detailed with scales, lead...
Category
20th Century Loose Gemstones
Materials
Coral
Diamond clarity:(IF) internally flawless color: top wesselton 1.06ct
Located in Berlin, BE
diamond, a Brilliant cut gem with a weight of 1.06 carats. extraordinary qualities that define its exquisite beauty:
Diamond Details:
Shape: Brilliant
Weight: 1.06 carats
Clarity Grade: Internally Flawless...
Category
German Aesthetic Movement Vintage 20th Century Loose Gemstones
Materials
Diamond
Hand Carved Natural Orange-Red Coral Rose Ornament
Located in Pasadena, CA
This exquisite ornament features natural orange-red coral, intricately hand-carved into the shape of a blooming rose—an enduring symbol of beauty and love. It measures approximately ...
Category
Taiwanese Artisan Vintage 20th Century Loose Gemstones
Materials
Coral
Georg Jensen Sterling Silver Acorn Set Dinner Flatware Set 67 Pieces New
By Georg Jensen
Located in New York, NY
This Georg Jensen Acorn flatware collection was introduced in 1915 and has become one of the brand’s most iconic designs. Created by Danish silversmith Georg Jensen, the collection f...
Category
Modern 20th Century Loose Gemstones
Materials
Other
2.39 Carat Genuine and Natural Oval-Shaped Certified Brazilian Alexandrite
Located in New York, NY
A beautiful and fine-quality oval-shaped mixed-cut Brazilian Alexandrite with 90%-100% (Prominent) Color-Change and Excellent Quality of Color-Change from Blue-Green to Purple-Pink c...
Category
Brazilian 20th Century Loose Gemstones
Materials
Alexandrite
Fine Deep Blue Natural Spinel 1.04ct Cushion Cut Loose Rare Gem
Located in Birmingham, GB
Fine Deep Blue Natural Spinel 1.04ct Cushion Cut 8.4x4mm Loose Rare Gem
Natural Vivid Blue Spinel Gemstone.
Beautiful natural 1.04 Carat spinel with a vivid blue colour and excellen...
Category
20th Century Loose Gemstones
Materials
Spinel
Australian Loose Solid Oval Opal of 5.00ct (17mm x 11mm). Lightning Ridge.
Located in MELBOURNE, AU
This Australian Loose Solid Opal is
of impressive 5.00ct (17mm x 11mm)
from Lightning Ridge
Displaying truly unique spectrum of colours,
white-greyish toned body with striking fla...
Category
Australian Vintage 20th Century Loose Gemstones
Materials
Opal
GIA Certified Jadeite, Diamond, and Amethyst Snuff Bottle Ornament
Located in Pasadena, CA
The natural translucent green and brown color of Jadeite is carved as snuff bottle, surmounted by numerous near colorless round brilliant diamonds. The piece is completed with a natu...
Category
Taiwanese Artist 20th Century Loose Gemstones
Materials
Amethyst, Diamond
Hakimoto Pair of 18 mm Round Silver Tahiti Naget Baroque Pearl
Located in Hicksville, NY
Hakimoto Pair Of 18 mm Round Silver Naget Tahiti Baroque Pearl
14.2 Grams
Aproximate
Category
American 20th Century Loose Gemstones
Materials
Pearl
GIA Certified Round Brilliant Cut Diamond 1.83ct
Located in Laguna Beach, CA
1.83-carat round brilliant cut diamond.
GIA grade J color, i1 clarity.
The two inclusions are located toward the edge and are hard to see without 10-power magnification.
Measures 7.7...
Category
20th Century Loose Gemstones
Materials
Diamond
3.20 Carat Round Brilliant E VS1 Diamond Platinum Eternity Band Ring
Located in New York, NY
Title:
3.20 Carat Round Brilliant E VS1 Diamond Platinum Eternity Band Ring
Style:
Eternity Band
Metal:
Platinum
Gemstone 1:
3.2 Carat Diamond
Number of ...
Category
20th Century Loose Gemstones
Materials
Diamond
1.15ct Fine Pinkish Purple Spinel Natural Oval Cut Loose Gemstone
Located in Birmingham, GB
1.15ct Fine Pinkish Purple Spinel Natural Oval Cut 6.8x5.6mm Loose Gemstone
Natural Fine Purple Pink Spinel Gemstone.
1.15 Carat spinel with a v...
Category
20th Century Loose Gemstones
Materials
Spinel
Huge Yellow 27.75 Carat Loose Citrine Flower Square Cut from Brazil Mine
Located in Peshawar, PK
Gemstone Type : Citrine
Weight : 27.75 Carats
Dimensions : 18x17.9x13.4 mm
Clarity : Loupe Clean
Origin : Brazil
Color: Yellow
Shape: Square
Cut: Flower
Certificate: On Demand
Month:...
Category
Brazilian Arts and Crafts 20th Century Loose Gemstones
Materials
Citrine
9.70 Carats Natural Loose Deep Indicolite Tourmaline Small Included Clarity
Located in Peshawar, PK
Loose Indicolite Tourmaline
Weight: 9.70 Carats
Dimension: 13.5x9.6x8.1 Mm
Origin: Kunar Afghanistan
Shape: Long Cushion
Treatment: Non
Clarity: SI
Certificate: On Demand
Indico...
Category
Afghan Arts and Crafts 20th Century Loose Gemstones
Materials
Tourmaline, Indicolite
1.51 Carat Loose Padparadscha Sapphire, Cushion Cut GIA Graded Solitaire
Located in Greensboro, NC
Shape/Cut: Cushion
Color: Orangy Pink
Treatment: Heating
Dimensions (mm): 6.76 x 5.73 x 4.13
Weight: 1.51ct
GIA Report Number: 2195828370
Please check out the enlarged pictur...
Category
Unknown 20th Century Loose Gemstones
Materials
Sapphire
1.65 Carats Natural Loose Mint Green Tourmaline Oval Shape Ring Gemstone
Located in Peshawar, PK
Loose Tourmaline
Weight: 1.65 Carats
Dimension: 8.1x5.9x4.7 Mm
Origin: Kunar Afghanistan
Shape: Oval
Color: Mint Green
Treatment: Non
Certificate: On Demand
Mint green tourmaline,...
Category
Afghan Baroque 20th Century Loose Gemstones
Materials
Tourmaline
Hakimoto by Jewel Of Ocean Pair of 17 mmWhite Round Australian South Sea Pearl
Located in Hicksville, NY
Hakimoto By Jewel Of Ocean Round South Sea Pearl
Pair of 16.9-17 mm White
14 Grams
Australian South Sea Pearl
Aproximat
Category
American Modern 20th Century Loose Gemstones
Materials
Cultured Pearl, South Sea Pearl
5.75 Cts Natural Loose Citrine Emerald Shape Gemstone
Located in Peshawar, PK
Loose Citrine
Weight: 5.75 Carats
Dimension: 12x9.5x7.6 Mm
Origin: Brazil
Shape: Emerald
Color: Yellow
Treatment: Non
Certificate: On Demand
Citrine is a vibrant and sunny gemst...
Category
Brazilian Arts and Crafts 20th Century Loose Gemstones
Materials
Citrine
Natural loose yellow citrine ring gemstone 3.45 Carats
Located in Peshawar, PK
Loose citrine
Weight: 3.45 Carats
Dimension: 10x8.7x6.1 Mm
Origin: Brazil
Shape: Fancy Emerald
Color: Yellow
Treatment: Non
Certificate : On Demand
Citrine, a radiant gemstone boas...
Category
Brazilian Art Nouveau 20th Century Loose Gemstones
Materials
Citrine
Natural 0.70 Carat H VS2 Hexagonal Diamond
Located in New York, NY
ITEM DESCRIPTION
ID #:NYC57475
Stone Shape:Hexagonal
Diamond Weight:0.70 carat
Clarity:VS2
Color:H
Cut: Hexagon
Measurements:8.23 x 3.81 x 2.60 mm
Appraisal Value:$4,200.00
Our Pric...
Category
20th Century Loose Gemstones
Materials
Diamond
5.65 Carats Natural Loose Citrine CAN Shape Ring Gem
Located in Peshawar, PK
Loose Citrine
Weight: 5.65 Carats
Dimension: 12.1x9.3x7.6 Mm
Origin: Brazil
Color: Yellow
Treatment: Non
Certificate: On Demand
Citrine, a radiant and vibrant gemstone, is prized f...
Category
Brazilian Art Deco Antique 20th Century Loose Gemstones
Materials
Citrine
Hakimoto Pair of 14 mm Pink Botton Shape Cultured Pearls
Located in Hicksville, NY
Hakimoto Pink Pair of Botton Cultured Pearls
7.6 grams
14.5-14.4 mm
Aproximat
Category
American Modern 20th Century Loose Gemstones
Materials
Cultured Pearl
Vintage Carved Salmon Coral Siren Mermaid Figurine Sculpture
Located in New York, NY
An exquisite coral carving featuring a mermaid design. This captivating piece is crafted from salmon coral, showcasing intricate details that bring the mermaid to life. The mermaid's...
Category
20th Century Loose Gemstones
Materials
Coral
Antique Carved Red Coral Rooster
Located in New York, NY
This striking sculpture captivates with its intricate design and vibrant red hue. Carved from a single piece of coral, it features a detailed rooster perched elegantly beside a textu...
Category
20th Century Loose Gemstones
Materials
Coral
Hakimoto By Jewel Of Ocean Pair of 18 mm White Round Australian South Sea Pearl
Located in Hicksville, NY
Hakimoto By Jewel Of Ocean Round South Sea Pearl
Pair of 18 mm White
16.7 Grams
Australian South Sea Pearl
Aproximate
Category
American Modern 20th Century Loose Gemstones
Materials
South Sea Pearl
1.26ct Deep Blue Sapphire Oval Cut Rare 7.6x5.8mm Loose Gemstone VS
Located in Birmingham, GB
1.26ct Deep Blue Sapphire Oval Cut Rare 7.6x5.8mm Loose Gemstone VS
Natural Oval Cut Deep Blue Sapphire Gemstone.
1.26 Carat sapphire with a beautiful deep blue colour.
Also has ver...
Category
20th Century Loose Gemstones
Materials
Blue Sapphire
Superb vintage hand carved “Peony Floral Spray” natural color Momo coral plaque
Located in New York, NY
A superb, vintage, hand carved “Peony Floral Spray” natural color Momo coral plaque.
The one of a kind oval plaque is intricately carved and fantastically detailed and the color is e...
Category
Unknown Contemporary 20th Century Loose Gemstones
Materials
Coral, Sterling Silver
Rare 4.28ct IGI Certified Green Jadeite Jade ‘A’ Grade Oval Cabochon Loose Gem
Located in Birmingham, GB
Rare 4.28ct IGI Certified Green Jadeite Jade ‘A’ Grade Oval Cabochon Loose Gem
IGI Certified Untreated A Grade Green Jadeite Gemstone.
4.28 Carat with an excellent oval cabochon cut ...
Category
20th Century Loose Gemstones
Materials
Jade
20.30 Carats Natural Loose Lime Yellow Citrine Round Cut for Necklace Jewelry
Located in Peshawar, PK
Faceted Citrine
Weight: 20.30 Carats
Dimension: 19.1x19.1x10.8 Mm
Origin: Brazil
Color: Yellow
Shape: Round
Certificate; On Customer Demand
.
Citrine, a gemstone of warm and ra...
Category
Brazilian Artist 20th Century Loose Gemstones
Materials
Citrine
19.51ct Star Sapphire Ring Sz. 8
Located in Scottsdale, AZ
19.51ct Star Sapphire Ring Sz. 8
This captivating 19.51ct oval star sapphire ring is set in 950 palladium and accented with 0.50ctw of round brilliant diamonds. Complete with an AGL...
Category
20th Century Loose Gemstones
Materials
Blue Sapphire, Star Sapphire
2.50cts Antique Old Mine Cushion
Located in Ramat Gan, IL
2.50-Carat Old Mine Cushion Diamond – L Color, VS Clarity
Step into the elegance of a bygone era with this exquisite 2.50-carat Old Mine Cushion cut ...
Category
20th Century Loose Gemstones
Materials
Diamond
3.24 Carat Loose Green Sapphire, Round Cut Solitaire
Located in Greensboro, NC
Shape/Cut: Round
Color: Green
Treatment: Heating
Diameter (mm): 8.9
Weight: 3.24ct
Please check out the enlarged pictures.
Thank you for taking the time to read our description...
Category
Unknown 20th Century Loose Gemstones
Materials
Green Sapphire
GRA Certified 2.06ct Green Blue Sapphire Loose Cushion Cut Gem
Located in Birmingham, GB
GRA Certified 2.06ct Green Blue Sapphire Loose Cushion Cut Gem 9.3x6.4mm
GRA Certified Deep Green Blue Sapphire Gemstone.
2.06 Carat sapphire with...
Category
20th Century Loose Gemstones
Materials
Sapphire, Blue Sapphire
Collection Of Huge Drilled Green Turquoise Beads
Located in New York, NY
A collection of huge, drilled green Turquoise beads of different shapes. Antique and Vintage Gem Stones, Beads and Collectibles.
Dimensions: Average size: L 3/4 in. All measurements...
Category
Unknown 20th Century Loose Gemstones
Materials
Turquoise, Sterling Silver
5.40 Carat Radiant Cut G-VS2 Diamond Platinum Eternity Band Ring
Located in New York, NY
Title:
5.40 Carat Radiant Cut G-VS2 Diamond Platinum Eternity Band Ring
Style:
Eternity Band
Metal:
Platinum
Gemstone 1:
4.5 Carat Diamond
Number of Stones:
18
Shape:
Radiant Cut
Siz...
Category
20th Century Loose Gemstones
Materials
Diamond
Fine 1.80 Vivid Pink Purple Rhodolite Garnet Oval Cut Loose Gem VVS
Located in Birmingham, GB
Fine 1.80 Vivid Pink Purple Rhodolite Garnet Oval Cut Loose Gem 7.7x6.3mm VVS
Fine Loose Rhodolite Garnet Gemstone.
1.80 Carat with a beautiful vivid pink purple colour and excellen...
Category
20th Century Loose Gemstones
Materials
Garnet, Rhodolite
GIA Certified - 8.19ct Cusion Brilliant diamond
Located in Ramat Gan, IL
**GIA Certified 8.19ct Cushion Brilliant Diamond**
Discover timeless elegance with this exquisite 8.19-carat Cushion Brilliant diamond. Certified by the Gemological Institute of Ame...
Category
American Art Deco 20th Century Loose Gemstones
Materials
Diamond
Loose Peridot - Cushion cut - 62.50ct
Located in SYDNEY, AU
A loose deep green Peridot, of cushion cut, and 62.50cts.
This stone is available to be set into the piece of your choice or kept to be admired on its own.
Category
20th Century Loose Gemstones
Materials
Peridot
