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20th Century Loose Gemstones

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Period: 20th Century
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

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

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

21K Natural Gold Nugget Specimen 4.8 Grams
Located in New York, NY
This exquisite loose stone features a natural gold nugget embedded in quartz. The gold displays a rich, lustrous sheen, contrasting beautifully with the milky white and gray tones of...
Category

20th Century Loose Gemstones

Materials

Quartz

Oval loose ruby with cerificate 9x7mm
Located in Boca Raton, FL
Bright ruby with a certificate oval gemstone with a certificate. Measuring 9x7mm, the ruby is nice and bright pinkish red color. Certificate of authenticity comes with purchase! AB...
Category

20th Century Loose Gemstones

Materials

Ruby

Colombian Rough Emerald Specimen Weighing 67 Grams A Collector’s Treasure
Located in New York, NY
A Striking Example of Colombia’s Emerald Legacy Presenting a 67-gram rough emerald specimen hailing from the world-renowned mines of Colombia. Revered for producing some of the fine...
Category

Colombian Contemporary 20th Century Loose Gemstones

Materials

Emerald

GIA Certified Oval Ruby Natural Corundum Loose Stone Weighing 2.09 Carat Heated
Located in New York, NY
Rubies are highly prized gemstones known for their vibrant red color and durability. G I A Gemological Report 2225734049 Ruby shaped Oval Cutting Style: Crown Brilliant Cut Cutting Style: Pavilion Step Cut Transparency Transparent Color Red Species Natural Corundum Heated Weight: 2.09 carats Measurements: 8.48 x 6.68 x 4.02 m A GIA Ruby Report is a gemological report issued...
Category

Burmese Contemporary Vintage 20th Century Loose Gemstones

Materials

Ruby

GIA Certified Round Brilliant Cut Diamond 2.01ct
Located in Laguna Beach, CA
GIA graded 2.01 carat round brilliant cut diamond. GIA report number is 1232443635. Graded I color and Vs2 clarity, with very good symmetry. Comes with a full GIA grading report.
Category

20th Century Loose Gemstones

Materials

Diamond

GIA Certified 16.23 Ct Double Cabochon Cushion Loose Translucent Green Emerald
Located in New York, NY
GIA REPORT NUMBER: 6234187189 Weight:16.23 carats Measurements:14.43 x 12.57 x 11.57 mm Shape:Cushion Cutting Style:Double Cabochon Transparency:Transparent Color:Green Item Descript...
Category

20th Century Loose Gemstones

Materials

Emerald

GIA Certified Round Brilliant Cut Loose Diamond 0.61ct
Located in Laguna Beach, CA
Loose diamond, .61 carat round brilliant cut, F color, Si1 clarity, good cut. Graded by GIA grading labs, report number is 5202402269. Excellent color and comes with a full grading c...
Category

20th Century Loose Gemstones

Materials

Diamond

Large Natural Citrine Gemstone W Arabic Script In Box
Located in New York, NY
A large natural citrine gemstone with curved Arabic script on both sides. The gemstone features a faceted surface that enhances its brilliance, and it is elegantly displayed in a bla...
Category

Unknown 20th Century Loose Gemstones

Materials

Citrine, Sterling Silver

4.27 Carat IGI Certified Natural Sri Lanka Oval Cabochon Violetish Blue Sapphire
Located in Wan Chai District, HK
Feast your eyes on this exquisite natural Corundum Sapphire. Weighing at an impressive 4.27 carats and precisely cut in a classic oval cabochon shape, it is truly a gem to behold. It...
Category

20th Century Loose Gemstones

Materials

Blue Sapphire

Antique Chinese Rutilated Quartz Carved Snuff Bottle 216.7 Grams
Located in New York, NY
Antique Chinese Rutilated Quartz Carved Snuff Bottle Weight: 216.7 Grams Stone: Rutilated Quartz Measurements: 95.21 mm L x 50.56 mm W x 81 mm H ITEM #: BR-689-050922-08Antique Chi...
Category

20th Century Loose Gemstones

Materials

Quartz

Antique Chinese Jade People & Landscape Carved Snuff Bottle 130 Grams
Located in New York, NY
Antique Chinese Agate People & Landscape Carved Snuff Bottle Weight: 130 Grams (Bottle: 97.5 Grams, Stand: 32.5 Grams) Stone: Agate Measurements: Bottle: 77.7 mm L x 51.8 mm W x 36...
Category

20th Century Loose Gemstones

Materials

Agate

Vintage Decorative Painted Resin Dog Heads
Located in New York, NY
A lot of vintage hand-painted resin dog heads. A total of 5 items, two designs. Each piece has a fitting hole on the backside. Miscellanea, Collectibles, Acc...
Category

Unknown 20th Century Loose Gemstones

Materials

Sterling Silver

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

GIA Certified No Treatment Octagonal Natural Quartz Citrine Weighing 42.43 Carat
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

GIA Certified Round Brilliant Loose Diamond 1.01ct
Located in Laguna Beach, CA
GIA Certified Round Brilliant Loose Diamond. 1.01 carat round brilliant cut diamond. GIA graded F color, Si2 clarity. The GIA grading report number is 2235411157. Comes with a full G...
Category

20th Century Loose Gemstones

Materials

Diamond

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

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

GIA Certified Round Brilliant Cut Loose Diamond 1.78ct
Located in Laguna Beach, CA
GIA graded 1.78 carat round brilliant cut diamond. M color, slightly yellow. The clarity is i1 with an inclusion well hidden under the crown facets. The di...
Category

20th Century Loose Gemstones

Materials

Diamond

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

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

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

GIA Certified Oval Brilliant Cut Loose Diamond 1.18ct
Located in Laguna Beach, CA
Attractive oval brilliant cut diamond, 1.18 carats. GIA graded G color, VS2 clarity. GIA report number 2231308153. Comes with a full grading report.
Category

20th Century Loose Gemstones

Materials

Diamond

GIA Certified Natural Star Sapphire No Indications of Heating 5.32 Carats
Located in New York, NY
Type: Natural Star Sapphire Weight: 5.32 Carats Measurements: 9.15 x 7.66 x 7.18 mm Transparency: Translucent Color: Blue Phenomenon: Displaying Asterism (Star Effect) GIA Report Num...
Category

Sri Lankan Contemporary 20th Century Loose Gemstones

Materials

Star Sapphire

GIA Certified Round Brilliant Cut Loose Diamond 0.72ct
Located in Laguna Beach, CA
.72 carat round brilliant cut diamond. GIA graded H color, Vs1 clarity. GIA report number 2235368628.
Category

20th Century Loose Gemstones

Materials

Diamond

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

Loose Tanzanite - 13.38 carats - emerald cut
Located in SYDNEY, AU
A loose emerald cut vivid blue tanzanite of 13.38ct. This stone is available to be set into the piece of your choice or kept to be admired on its own.
Category

Tanzanian 20th Century Loose Gemstones

Materials

Tanzanite

Loose Tanzanite - 21.34 carats
Located in SYDNEY, AU
A loose emerald cut vivid blue tanzanite of 21.34cts. This stone is available to be set into the piece of your choice or kept to be admired on its own.
Category

Tanzanian 20th Century Loose Gemstones

Materials

Tanzanite

Loose Tanzanite - Trilliant cut - 11.95cts
Located in SYDNEY, AU
A loose trilliant cut vivid blue tanzanite of 11.95ct This stone is available to be set into the piece of your choice or kept to be admired on its own.
Category

Tanzanian 20th Century Loose Gemstones

Materials

Tanzanite

Loose off-round Citrine - 17.05ct
Located in SYDNEY, AU
A loose off-round cut light yellow citrine of 17.05ct 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

Citrine

Loose Emerald cut Emerald - 2.58ct - Origin Brazil - GSL certificate
Located in SYDNEY, AU
A loose emerald of 2.58ct, of emerald cut. Origin Brazil. This stone is available to be set into the piece of your choice or kept to be admired on its own.
Category

Brazilian 20th Century Loose Gemstones

Materials

Emerald

Loose Tanzanite - oval cut - 17.20cts
Located in SYDNEY, AU
A loose oval cut vivid blue tanzanite of 17.20cts This stone is available to be set into the piece of your choice or kept to be admired on its own.
Category

Tanzanian 20th Century Loose Gemstones

Materials

Tanzanite

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

Natural Myanmar Handcrafted Rabbit Loose White Jade Jadeite, Big Bunny
Located in Kowloon, HK
Introducing our exquisite White Bunny Jade, a meticulously hand-crafted masterpiece that is truly one-of-a-kind. Carefully designed by our skilled artisans, this remarkable jadeite r...
Category

Hong Kong Artisan 20th Century Loose Gemstones

Materials

Jade

Natural Myanmar Bi-color Double Side Carved Ancient Dragon Jade
Located in Kowloon, HK
Prepare to embark on a captivating journey through the ages with this stunning natural jadeite pendant, imbued with the ancient essence of the legendary dragon. Sourced directly fro...
Category

Hong Kong Artisan 20th Century Loose Gemstones

Materials

Jade

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

GIA Certification Natural Star Sapphire Oval Cabochon 6.89 Carats No Heat
Located in New York, NY
Product Description: Discover the allure of this exquisite natural star sapphire, a gem that captivates with its mesmerizing beauty and rarity. This stunning gemstone is perfect for ...
Category

Sri Lankan Contemporary 20th Century Loose Gemstones

Materials

Star Sapphire

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

HRD Certified 1.03ct Old-European Cut Diamond
Located in Esch sur Alzette, Esch-sur-Alzette
The HRD Certified 1.03ct Old-European Cut Diamond is a captivating gemstone known for its vintage charm and timeless beauty. This diamond boasts a weight of 1.03 carats, making it a...
Category

European Art Deco 20th Century Loose Gemstones

Materials

Diamond

GIT Certified 2.47ct Oval Pink Sapphire, 9.24x7.44x4.09 mm
Located in เกาะสมุย, TH
Sapphire fans please do not miss: This particular pink sapphire has very good hot pink saturated color. The sapphire shape is oval step cut and was polished in Thailand. Some natural...
Category

Thai 20th Century Loose Gemstones

Materials

Pink 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

Diamond brilliant 1.87ct
Located in Berlin, BE
Natural Diamond Report Carat: 1.87 carats Clarity: P2 Color: L Cut: Fair Symmetry: Fair Proportion: Fair Polish: Good Fluorescence: Strong Girdle: Rubbed Culet: Pointed Ad...
Category

German Aesthetic Movement Vintage 20th Century Loose Gemstones

Materials

Diamond

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

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

Diamond VVS2 Color:E brilliant cut 0.57ct
Located in Berlin, BE
Diamond Details: Carat: 0.57 Clarity: VVS2 (Very Very Slightly Included, with minute inclusions only visible under 10x magnification) Color: E (Exceptional White) Cut: Good Shape: B...
Category

German Aesthetic Movement Vintage 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

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

Loose Round Brilliant Cut Diamond 1.26 ct
Located in Laguna Beach, CA
Loose round brilliant diamond, 1.26 carats. No grading lab certificate. H to I color, i1 -i2 clarity, good symmetry, and very brilliant. ...
Category

20th Century Loose Gemstones

Materials

Diamond

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

12.40 Carats Fanta Natural Loose Hessonite Smoky Garnet Lot For Jewelry Making
Located in Peshawar, PK
Loose Hessonite Garnet Weight: 12.40 Carats Size: 2.60 to 3.79 Carats Origin: Africa Shape: Mix Treatment: Non Clarity: Smoky A 12.40-carat Hessonite Garnet lot is a remarkable c...
Category

Tanzanian Arts and Crafts 20th Century Loose Gemstones

Materials

Garnet, Hessonite

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

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

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

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

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

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