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Early 20th Century Loose Gemstones

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Period: Early 20th Century
GIA Certificated Oval Carved Double Sided Cabochon Emerald Weighing 53.64 Carats
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 Early 20th Century Loose Gemstones

Materials

Emerald

42.82 Carat Old European Diamond Layout – GIA Certified
Located in Ramat Gan, IL
Exceptional 42.82 Carat Old European Diamond Layout – GIA Certified An extraordinary collection of 19 Old European cut diamonds, totaling an impressive 42.82 carats. This meticulous...
Category

European Early 20th Century Loose Gemstones

Materials

Diamond

LFG Certified 3.78 K/VS1 Antique Old European Round Brilliant Cut Diamond
Located in Paris, FR
This Antique Old European Round Brilliant cut Diamond weights 3.78 carats with a K color (Beautiful white face up) and VS1 Clarity (Loupe Clean). The high quality of its cut let the ...
Category

Unknown Belle Époque Vintage Early 20th Century Loose Gemstones

Materials

Diamond

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 Early 20th Century Loose Gemstones

Materials

Citrine, Quartz

GIA Certified 0.93ct No-Heat Vivid Purplish-Red Burmese Ruby
Located in Amsterdam, NL
This fantastic pear shaped stone is a natural, unheated, Burmese ruby. It is GIA certified, and weighs 0.93 carats. The color is vivid pinkish red which glows immensely in natural li...
Category

Burmese Vintage Early 20th Century Loose Gemstones

Materials

Ruby

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

Early 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 Early 20th Century Loose Gemstones

Materials

Citrine

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 Early 20th Century Loose Gemstones

Materials

Citrine

Antique Hardstone Intaglio - Unset Gemstone - Europe - Early 20th Century
Located in Chatham, CA
Antique Roman style hardstone intaglio gemstone - hand carved male warrior in profile - approximately 8.45 carats - unset (loose) - unsigned - Europe - early 20th century. Excellent...
Category

European Classical Roman Early 20th Century Loose Gemstones

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

Early 20th Century Loose Gemstones

Materials

Coral

Related Items
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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Contemporary Early 20th Century Loose Gemstones

Materials

Diamond

Certified 3, 01 Carat Diamond J VS1
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60.23 Carats Top Colombian Emerald Carved Cabochon For Jewelry Natural Gems
Located in Jaipur, RJ
60.23 Carats Top Colombian Emerald Carved Cabochon For Jewelry Natural Gems Gemstone - Emerald Weight - 60.23 carats Shape - Carved Cabochon Quantity - 12 Pieces
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Colombian Art Deco Early 20th Century Loose Gemstones

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Emerald

Gubelin Certified 1.13 Carat Burma No Heat Natural Vivid Red Ruby
Located in Kowloon, HK
This exquisite 1.13 carat Burma no-heat vivid red ruby is a rare and valuable gemstone, distinguished by its exceptional color and provenance. Sourced directly from the renowned mine...
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Early 20th Century Loose Gemstones

Materials

Ruby

Gubelin Certified 0.893 Carat Burma No Heat Natural Vivid Red Ruby
Located in Kowloon, HK
This exquisite 0.893 carat Burma no-heat vivid red ruby is a rare and valuable gemstone, distinguished by its exceptional color and provenance. Sourced directly from the renowned min...
Category

Early 20th Century Loose Gemstones

Materials

Ruby

GIA Certified 1.24CT Fancy Brownish Yellow VS1 Radiant Cut Diamond
Located in New York, NY
ITEM DESCRIPTION ID #: 54736 Stone Shape: Radiant Diamond Weight: 1.24CT Clarity: VS1 Color: Fancy Brownish Yellow Cut: Measurements: 6.16 x 5.65 x 3.79 mm Depth %: 67.3% Table %: ...
Category

Antique Early 20th Century Loose Gemstones

Materials

Yellow Diamond

1.91 Carat GIA Certified Burma No Heat Red Spinel
Located in Kowloon, HK
Discover the mesmerizing brilliance of this 1.91 carat vivid red Burma Spinel, a gemstone of exceptional rarity and prestige. Sourced directly from the famed Mogok mines—a region syn...
Category

Early 20th Century Loose Gemstones

Materials

Spinel

1.27 Carat GIA Certified Burma No Heat Red Spinel
Located in Kowloon, HK
Discover the mesmerizing brilliance of this 1.27 carat vivid red Burma Spinel, a gemstone of exceptional rarity and prestige. Sourced directly from the famed Mogok mines—a region syn...
Category

Early 20th Century Loose Gemstones

Materials

Spinel

2.47 Carat GIA Certified Burma No Heat Red Spinel
Located in Kowloon, HK
Discover the mesmerizing brilliance of this 2.47 carat vivid red Burma Spinel, a gemstone of exceptional rarity and prestige. Sourced directly from the famed Mogok mines—a region syn...
Category

Early 20th Century Loose Gemstones

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Spinel

GIA Certified 1.43CT HPHT VS1 Emerald Cut Natural Blue Diamond
Located in New York, NY
A masterpiece of precision and color. This emerald-cut diamond glows with a mesmerizing Fancy Vivid Greenish Blue hue — a rare and enchanting tone that evokes the depth of the sea an...
Category

Early 20th Century Loose Gemstones

Materials

Blue Diamond

GIA Certified 1.43CT HPHT VS1 Emerald Cut Natural Blue Diamond
GIA Certified 1.43CT HPHT VS1 Emerald Cut Natural Blue Diamond
$8,121 Sale Price
40% Off
W 0.32 in D 0.14 in L 0.21 in
1.27 Carat GIA Certified Oval No Heat Ruby
Located in Great Neck, NY
GIA Certified Oval Ruby 1.27 Carats (7.70x6.17x2.79) mm NO HEAT
Category

Modern Early 20th Century Loose Gemstones

Materials

Ruby

GIA Certified 67.75 Carat Natural Quartz Citrine Oval Loose Gemstone
Located in Trumbull, CT
This GIA certified 67.75 Carat Natural Quartz Citrine Oval loose gemstone has modified brilliant cut. It has yellow-orange color and is transparent. Carefully hand cut and hand polis...
Category

South American Early 20th Century Loose Gemstones

Materials

Citrine, Quartz

GIA Certified 67.75 Carat Natural Quartz Citrine Oval Loose Gemstone
GIA Certified 67.75 Carat Natural Quartz Citrine Oval Loose Gemstone
$4,742 Sale Price
30% Off
W 0.89 in D 0.65 in L 1.22 in
GIA Certified Burma Ruby Vivid Red "Pigeon s Blood" 0.49 Half-Carat Loose Ruby
Located in Miami, FL
Center Stone Details: Gemstone Type: Ruby Carat: 0.49 carats Cut: Oval Color: Vivid Red "Pigeon's Blood" Measurements: 5.12 x 4.10 x 2.70 mm Treatment: Heated (Low Residues) Certifi...
Category

Burmese Modern Early 20th Century Loose Gemstones

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Ruby

Previously Available Items
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 Early 20th Century Loose Gemstones

Materials

Star Sapphire

Antique Vintage Islamic Carved Jade Calligraphy Seals
Located in New York, NY
A group of six antique and vintage Islamic carved jade seals adorned with Arab calligraphy. Each seal bears intricate carvings of Arabic script, showcasing t...
Category

Unknown Early 20th Century Loose Gemstones

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Jade, Sterling Silver

GIA Certified 5231058396 No Heat Red Burma Cabochon Ruby 4.63 Carats
Located in New York, NY
GIA Certified 5231058396 No Heat Red Burma Cabochon Ruby 4.63 Carats Discover the exquisite beauty of this GIA certified No Heat Red Burma Cabochon Ruby, a rare gemstone that boasts ...
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Burmese Contemporary Early 20th Century Loose Gemstones

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Ruby

GIA Certified No Heat Pear Shape Carving Natural Sapphire Weighing 4.70 Carats
Located in New York, NY
GIA-certified No Heat Pear Shape Carving Natural Sapphire weighing 4.70 carats can be considered a valuable gemstone. GIA REPORT 222171092 Shape Pear Shape Carving Transparency Transparent Color Blue Species Natural Corundum Natural Sapphire TREATMENT: No Indications of Heating One loose stone Weight: 4.70 carats Measurements: 12.79 x 10.63 x 3.33 mm 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...
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Burmese Contemporary Early 20th Century Loose Gemstones

Materials

Sapphire

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