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OGI Ltd Loose Gemstones

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Creator: OGI Ltd
GIA Certified #5231058390 No Heat Ceylon Cabochon Sapphire Weighing 17.16 carat
GIA Certified #5231058390 No Heat Ceylon Cabochon Sapphire Weighing 17.16 carat

GIA Certified #5231058390 No Heat Ceylon Cabochon Sapphire Weighing 17.16 carat

By OGI Ltd

Located in New York, NY

Introducing a Magnificent GIA Certified No Heat Ceylon Cabochon Sapphire Dazzle and amaze with this exquisite GIA Certified #5231058390 No Heat Ceylon Cabochon Sapphire, a true gem o...

Category

20th Century Sri Lankan Contemporary OGI Ltd Loose Gemstones

Materials

Sapphire, Blue Sapphire

GIA No Heat Natural Cabochon Burma Sapphire Weighing 8.06 Carat Loose Stone
GIA No Heat Natural Cabochon Burma Sapphire Weighing 8.06 Carat Loose Stone

GIA No Heat Natural Cabochon Burma Sapphire Weighing 8.06 Carat Loose Stone

By OGI Ltd

Located in New York, NY

Introducing an Exquisite 8.06 Carat GIA Certified Natural Cabochon Burma Sapphire - A Rare Gem of Unparalleled Beauty Discover the allure of this mesmerizing 8.06 carat GIA-certified...

Category

1950s Burmese Contemporary Vintage OGI Ltd Loose Gemstones

Materials

Sapphire, Blue Sapphire

GIA Certified No Heat Natural Star Ruby Loose Stone Weighing 4.84 Carats
GIA Certified No Heat Natural Star Ruby Loose Stone Weighing 4.84 Carats

GIA Certified No Heat Natural Star Ruby Loose Stone Weighing 4.84 Carats

By OGI Ltd

Located in New York, NY

A rare, investment quality GIA star ruby weighing 4.84 carats, no indication of heating GIA REPORT 6224671008 Natural star rubies are relatively rare and...

Category

20th Century Sri Lankan Contemporary OGI Ltd Loose Gemstones

Materials

Ruby, Star Ruby

GIA Certified 5.32ct Natural Blue Star Sapphire with Asterism
GIA Certified 5.32ct Natural Blue Star Sapphire with Asterism

GIA Certified 5.32ct Natural Blue Star Sapphire with Asterism

By OGI Ltd

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

Early 20th Century Sri Lankan Contemporary OGI Ltd Loose Gemstones

Materials

Star Sapphire

GIA Certified Natural Burma Carved Sapphire 8.05 Carats No Indication of Heating
GIA Certified Natural Burma Carved Sapphire 8.05 Carats No Indication of Heating

GIA Certified Natural Burma Carved Sapphire 8.05 Carats No Indication of Heating

By OGI Ltd

Located in New York, NY

An exceptional and highly collectible GIA-certified natural Burma sapphire featuring a beautifully carved oval form, weighing an impressive 8.05 carats. This rare gemstone displays a...

Category

20th Century Burmese Contemporary OGI Ltd Loose Gemstones

Materials

Sapphire

GIA Certified Natural Burma Ruby 3.59 Carats No Heat Carved Double Cabochon Gem
GIA Certified Natural Burma Ruby 3.59 Carats No Heat Carved Double Cabochon Gem

GIA Certified Natural Burma Ruby 3.59 Carats No Heat Carved Double Cabochon Gem

By OGI Ltd

Located in New York, NY

An exceptional GIA Certified Natural Ruby originating from the legendary mines of Burma (Myanmar), this rare 3.59 carat loose gemstone showcases the rich character and collectible ap...

Category

20th Century Burmese Contemporary OGI Ltd Loose Gemstones

Materials

Ruby

GIA Certified No Treatment Octagonal Natural Quartz Citrine Weighing 42.43 Carat
GIA Certified No Treatment Octagonal Natural Quartz Citrine Weighing 42.43 Carat

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

Early 20th Century Malagasy Contemporary OGI Ltd Loose Gemstones

Materials

Citrine, Quartz

AGL Certified Gemstone Natural Corundum Pink Sapphire Weighing 2.92 Carats
AGL Certified Gemstone Natural Corundum Pink Sapphire Weighing 2.92 Carats

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

Mid-20th Century Sri Lankan Contemporary OGI Ltd Loose Gemstones

Materials

Pink Sapphire

Related Items
Certified 2.41 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem
Certified 2.41 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem

Certified 2.41 Carats Mozambique Ruby Oval Faceted Cutstone No Heat Natural Gem

Located in Jaipur, RJ

As we are auction partners at Gemfields, we have sourced these rubies from winning auctions and had cut them in our in house manufacturing responsibly. Weight: 2.41 Carats Size: 10x...

Category

21st Century and Contemporary Mozambican Art Deco OGI Ltd Loose Gemstones

Materials

Ruby

Certified 3.11 Carats Mozambique Ruby Cushion Faceted Cut stone No Heat Natural
Certified 3.11 Carats Mozambique Ruby Cushion Faceted Cut stone No Heat Natural

Certified 3.11 Carats Mozambique Ruby Cushion Faceted Cut stone No Heat Natural

Located in Jaipur, RJ

Certified 3.11 Carats Mozambique Ruby Cushion Faceted Cut stone No Heat Natural Weight: 3.11 Carats Size: 9x8x4 MM Pieces: 1 Shape: Faceted Cushion cut stone

Category

21st Century and Contemporary Mozambican Art Deco OGI Ltd Loose Gemstones

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Ruby

GIA Certified 6.50 Carat Unheated Ceylon Blue Sapphire Loose Gemstone - Merkaba
GIA Certified 6.50 Carat Unheated Ceylon Blue Sapphire Loose Gemstone - Merkaba

GIA Certified 6.50 Carat Unheated Ceylon Blue Sapphire Loose Gemstone - Merkaba

$164,250Sale Price|25% Off

W 0.36 in D 0.24 in L 0.51 in

GIA Certified 6.50 Carat Unheated Ceylon Blue Sapphire Loose Gemstone - Merkaba

By Merkaba

Located in Beverly Hills, CA

Offered loose by Merkaba Jewelry Beverly Hills, this natural 6.50 carat Ceylon sapphire from Sri Lanka is an exceptional collector gemstone, presented in a rare elongated cushion cut...

Category

21st Century and Contemporary Sri Lankan Modern OGI Ltd Loose Gemstones

Materials

Sapphire, Blue Sapphire, 18k Gold, Rose Gold, White Gold, Yellow Gold, P...

GIA Certified 2.91 Carat Oval Light Pink No Heat Sapphire
GIA Certified 2.91 Carat Oval Light Pink No Heat Sapphire

GIA Certified 2.91 Carat Oval Light Pink No Heat Sapphire

Located in Los Angeles, CA

GIA Certified Light Pink Sapphire Shape- Oval Modified Brilliant Cut Carat Weight- 2.91 Carats Comments- No Indications of Heating GIA Report Number- 2221380622 Measurements- 7....

Category

21st Century and Contemporary OGI Ltd Loose Gemstones

Materials

Sapphire

No Heat Loose Burmese Round Sapphire Cts 8.76
No Heat Loose Burmese Round Sapphire Cts 8.76

No Heat Loose Burmese Round Sapphire Cts 8.76

Located in Hong Kong, HK

Its pristine beauty remains untouched by heat treatment. This exquisite 8.76 ct gem is sourced from the rich mines of Burma. It shimmers like a disco ball and dazzles on all fronts...

Category

2010s Hong Kong Contemporary OGI Ltd Loose Gemstones

Materials

Sapphire

Certified 1.182ct Burmese Ruby, No Heat, Cabochon/ Oval
Certified 1.182ct Burmese Ruby, No Heat, Cabochon/ Oval

Certified 1.182ct Burmese Ruby, No Heat, Cabochon/ Oval

Located in เกาะสมุย, TH

A natural 1.182ct Myanmar ruby cut in smooth oval cabochon form, showing pinkish‑red saturation with a balanced medium tone. Natural inclusions are visible under loupe, adding charac...

Category

21st Century and Contemporary Burmese Artisan OGI Ltd Loose Gemstones

Materials

Ruby

Rare Colombian 17.16ct Natural Sugar Cut Emerald Cabochon, GIA Certified
Rare Colombian 17.16ct Natural Sugar Cut Emerald Cabochon, GIA Certified

Rare Colombian 17.16ct Natural Sugar Cut Emerald Cabochon, GIA Certified

Located in Delhi, DL

Rare, deep green columbian origin sugar cut emerald, perfect for jewel collection and bespoke jewelry. Its details are: Stone: Emerald Weight: 17.16 carats Shape: Sugar Cut Luster: ...

Category

2010s Colombian Modernist OGI Ltd Loose Gemstones

Materials

Emerald

GIA Certified 1.82 Carat Burma No Heat Cushion Cut Pink Sapphire
GIA Certified 1.82 Carat Burma No Heat Cushion Cut Pink Sapphire

GIA Certified 1.82 Carat Burma No Heat Cushion Cut Pink Sapphire

Located in Kowloon, Hong Kong

Experience the unmatched beauty and rarity of this 1.82 carat Burma No-Heat Pink Sapphire, sourced directly from the legendary Mogok mines—renowned for producing the world’s finest s...

Category

2010s OGI Ltd Loose Gemstones

Materials

Pink Sapphire

1.16 Carat Natural Pink Spinel from Burma No Heat
1.16 Carat Natural Pink Spinel from Burma No Heat

1.16 Carat Natural Pink Spinel from Burma No Heat

$290

W 0.25 in D 0.15 in L 0.23 in

1.16 Carat Natural Pink Spinel from Burma No Heat

Located in Hua Hin, TH

Untreated 1.16 Carat Natural Pink Spinel from Burma Dimension 6.23 x 5.83 x 3.71 mm Shape: Cushion Cut Weight: 1.16 Carat

Category

2010s Burmese OGI Ltd Loose Gemstones

Materials

Spinel

GIA CERTIFIED Natural No Heat Sapphire Oval Cut 1.04 Carats GIA-5191775381
GIA CERTIFIED Natural No Heat Sapphire Oval Cut 1.04 Carats GIA-5191775381

GIA CERTIFIED Natural No Heat Sapphire Oval Cut 1.04 Carats GIA-5191775381

Located in Miami, FL

GIA certified no-heat Pailin sapphire. This is a rare and natural not-heated vivid blue Sapphire weighing 1.04 carats, this exceptional gemstone displays remarkable quality, beauty,...

Category

1970s Cambodian Modern Vintage OGI Ltd Loose Gemstones

Materials

Sapphire

AGL Certified 5.75 Carat Burma No Heat Cushion Cut Blue Sapphire Loose Stone
AGL Certified 5.75 Carat Burma No Heat Cushion Cut Blue Sapphire Loose Stone

AGL Certified 5.75 Carat Burma No Heat Cushion Cut Blue Sapphire Loose Stone

Located in Miami, FL

Loose AGL certified 5.75 carat no heat Burma Blue Sapphire cushion cut with rich blue color and no heat or other treatment. A premium specimen of excellent material. Measuring 11.23 ...

Category

21st Century and Contemporary Burmese Contemporary OGI Ltd Loose Gemstones

Materials

Sapphire, Blue Sapphire

GIA 1Ct No Heat Royal Blue Sapphire- Madagascar Origin(8.16x5.17x2.70mm)
GIA 1Ct No Heat Royal Blue Sapphire- Madagascar Origin(8.16x5.17x2.70mm)

GIA 1Ct No Heat Royal Blue Sapphire- Madagascar Origin(8.16x5.17x2.70mm)

Located in Singapore, SG

A stunning natural sapphire showcasing the coveted "Royal Blue" color, a deep, velvety blue prized by collectors and connoisseurs alike. This 1.00 carat pear shaped stone is cut in a...

Category

21st Century and Contemporary Malagasy Art Deco OGI Ltd Loose Gemstones

Materials

Blue Sapphire

1.64 Carat Natural Purple Spinel from Burma No Heat
1.64 Carat Natural Purple Spinel from Burma No Heat

1.64 Carat Natural Purple Spinel from Burma No Heat

Located in Hua Hin, TH

1.64 Carat Natural Purple Spinel from Burma Dimension: 8.37 x 5.91 x 3.52 mm Weight: 1.64 Carat Shape: Octagon Cut No Heat GIL Certified Report No; STO2022102151331

Category

2010s Burmese OGI Ltd Loose Gemstones

Materials

Spinel

GIA Certified 1.99 Carat Burma No Heat Natural Oval Cut Ruby
GIA Certified 1.99 Carat Burma No Heat Natural Oval Cut Ruby

GIA Certified 1.99 Carat Burma No Heat Natural Oval Cut Ruby

Located in Kowloon, Hong Kong

This beautiful 1.99 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...

Category

2010s OGI Ltd Loose Gemstones

Materials

Ruby

5.20 Carat Natural Cushion Cut No Heat Loose Violet Blue Sapphire Gemstone
5.20 Carat Natural Cushion Cut No Heat Loose Violet Blue Sapphire Gemstone

5.20 Carat Natural Cushion Cut No Heat Loose Violet Blue Sapphire Gemstone

Located in Stamford, CT

1920's AGL certified natural old style cushion cut sapphire. Large surface area with excellent brilliance. Certified by the AGL as natural, no heat, no enhancements. Bright face up a...

Category

21st Century and Contemporary OGI Ltd Loose Gemstones

Materials

Sapphire, Blue Sapphire, Purple Sapphire

Previously Available Items
GIA Certified #6234058393 No Heat Ceylon Natural Star Sapphire 18.66 carats
GIA Certified #6234058393 No Heat Ceylon Natural Star Sapphire 18.66 carats

GIA Certified #6234058393 No Heat Ceylon Natural Star Sapphire 18.66 carats

By OGI Ltd

Located in New York, NY

"GIA Certified 18.66 Carat No Heat Ceylon Natural Star Sapphire - Spectacular Gemstone" Elevate your jewelry collection with this extraordinary GIA Certified Ceylon Natural Star Sapp...

Category

20th Century Sri Lankan Contemporary OGI Ltd Loose Gemstones

Materials

Star Sapphire

GIA Certified Natural Star Sapphire No Indications of Heating 5.32 Carats
GIA Certified Natural Star Sapphire No Indications of Heating 5.32 Carats

GIA Certified Natural Star Sapphire No Indications of Heating 5.32 Carats

By OGI Ltd

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

Early 20th Century Sri Lankan Contemporary OGI Ltd Loose Gemstones

Materials

Star Sapphire

GIA Certification Natural Star Sapphire Oval Cabochon 6.89 Carats No Heat
GIA Certification Natural Star Sapphire Oval Cabochon 6.89 Carats No Heat

GIA Certification Natural Star Sapphire Oval Cabochon 6.89 Carats No Heat

By OGI Ltd

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

Mid-20th Century Sri Lankan Contemporary OGI Ltd Loose Gemstones

Materials

Star Sapphire

GIA Certified No Heat Oval Natural Ruby Weighing 1.18 Carats Gemstone
GIA Certified No Heat Oval Natural Ruby Weighing 1.18 Carats Gemstone

GIA Certified No Heat Oval Natural Ruby Weighing 1.18 Carats Gemstone

By OGI Ltd

Located in New York, NY

Introducing the Exquisite GIA Certified No Heat Oval Natural Ruby Weighing 1.18 Carats Elevate your jewelry collection with this stunning and rare GIA Certified No Heat Oval Natural ...

Category

20th Century American Contemporary OGI Ltd Loose Gemstones

Materials

Ruby

GIA Certified No Heat Octagonal Natural Ruby Weighing 1.34 Carats
GIA Certified No Heat Octagonal Natural Ruby Weighing 1.34 Carats

GIA Certified No Heat Octagonal Natural Ruby Weighing 1.34 Carats

By OGI Ltd

Located in New York, NY

GIA Certified No Heat Octagonal Natural Ruby - 1.34 Carats Elevate your jewelry collection with this exquisite GIA Certified No Heat Octagonal Natural Ruby, a rare and coveted gemsto...

Category

Mid-20th Century American Contemporary OGI Ltd Loose Gemstones

Materials

Ruby

GIA Certified 5231058396 No Heat Red Burma Cabochon Ruby 4.63 Carats
GIA Certified 5231058396 No Heat Red Burma Cabochon Ruby 4.63 Carats

GIA Certified 5231058396 No Heat Red Burma Cabochon Ruby 4.63 Carats

By OGI Ltd

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 ...

Category

Early 20th Century Burmese Contemporary OGI Ltd Loose Gemstones

Materials

Ruby

GIA Certified #6234058393 No Heat Ceylon Natural Star Sapphire 18.66 carats
GIA Certified #6234058393 No Heat Ceylon Natural Star Sapphire 18.66 carats

GIA Certified #6234058393 No Heat Ceylon Natural Star Sapphire 18.66 carats

By OGI Ltd

Located in New York, NY

"GIA Certified 18.66 Carat No Heat Ceylon Natural Star Sapphire - Spectacular Gemstone" Elevate your jewelry collection with this extraordinary GIA Certified Ceylon Natural Star Sapp...

Category

20th Century Sri Lankan Contemporary OGI Ltd Loose Gemstones

Materials

Star Sapphire

GIA Certified #5231058390 No Heat Ceylon Cabochon Sapphire Weighing 17.16 carat
GIA Certified #5231058390 No Heat Ceylon Cabochon Sapphire Weighing 17.16 carat

GIA Certified #5231058390 No Heat Ceylon Cabochon Sapphire Weighing 17.16 carat

By OGI Ltd

Located in New York, NY

Introducing a Magnificent GIA Certified No Heat Ceylon Cabochon Sapphire Dazzle and amaze with this exquisite GIA Certified #5231058390 No Heat Ceylon Cabochon Sapphire, a true gem o...

Category

20th Century Sri Lankan Contemporary OGI Ltd Loose Gemstones

Materials

Sapphire, Blue Sapphire

GIA No Heat Natural Cabochon Burma Sapphire Weighing 8.35 Carat Loose Stone
GIA No Heat Natural Cabochon Burma Sapphire Weighing 8.35 Carat Loose Stone

GIA No Heat Natural Cabochon Burma Sapphire Weighing 8.35 Carat Loose Stone

By OGI Ltd

Located in New York, NY

Introducing an Exquisite 8.35 Carat GIA Certified Natural Cabochon Burma Sapphire - A Rare Gem of Unparalleled Beauty Discover the allure of this mesmerizing 8.35 carat GIA-certified...

Category

1950s Burmese Contemporary Vintage OGI Ltd Loose Gemstones

Materials

Sapphire, Blue Sapphire

GIA Certified Carved Colombia Emerald Loose Stone Weighing 4.35 Carats
GIA Certified Carved Colombia Emerald Loose Stone Weighing 4.35 Carats

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

20th Century Colombian Contemporary OGI Ltd Loose Gemstones

Materials

Emerald

GIA Certified No Heat Natural Star Ruby Loose Stone Weighing 4.84 Carats
GIA Certified No Heat Natural Star Ruby Loose Stone Weighing 4.84 Carats

GIA Certified No Heat Natural Star Ruby Loose Stone Weighing 4.84 Carats

By OGI Ltd

Located in New York, NY

A rare, investment quality GIA star ruby weighing 4.84 carats, no indication of heating GIA REPORT 6224671008 Natural star rubies are relatively rare and...

Category

20th Century Sri Lankan Contemporary OGI Ltd Loose Gemstones

Materials

Ruby, Star Ruby

GIA Certified No Heat Natural 18.18 Carats Blue Star Sapphire Loose Stone
GIA Certified No Heat Natural 18.18 Carats Blue Star Sapphire Loose Stone

GIA Certified No Heat Natural 18.18 Carats Blue Star Sapphire Loose Stone

By OGI Ltd

Located in New York, NY

A rare, investment quality GIA no heat, Ceylon Star Sapphire weighing 18..18 carats Sapphire color is medium to deep blue, rarely available GIA REPORT 1226671016 Transparent To Sem...

Category

20th Century Sri Lankan Contemporary OGI Ltd Loose Gemstones

Materials

Sapphire, Blue Sapphire, Star Sapphire

GIA No Heat Natural Transparent Orange Spessartite Garnet Weighing 27.88 Carats
GIA No Heat Natural Transparent Orange Spessartite Garnet Weighing 27.88 Carats

GIA No Heat Natural Transparent Orange Spessartite Garnet Weighing 27.88 Carats

By OGI Ltd

Located in New York, NY

GIA no heat natural brilliant step cut transparent orange Spessartite Garnet weighing 27.88 carats GIA report 6227627955 Shape Oval Cutting Style: Crown Brilliant Cut Cutting Style:...

Category

20th Century Brazilian Contemporary OGI Ltd Loose Gemstones

Materials

Garnet

GIA Certified No Heat Natural Sapphire Origin Sri Lanka Weighing 2.80 Carat
GIA Certified No Heat Natural Sapphire Origin Sri Lanka Weighing 2.80 Carat

GIA Certified No Heat Natural Sapphire Origin Sri Lanka Weighing 2.80 Carat

By OGI Ltd

Located in New York, NY

GIA certified no indication of heat, oval Sri Lanka sapphire weighing 2.80 carats GIA REPORT 2225687488 Cutting Style: Crown Modified Brilliant Cut Cutting Style: Pavilion Step Cut Transparency Transparent Color Blue Species Natural Corundum Variety Natural Sapphire Geographic Origin Sri Lanka TREATMENT No Indications of Heating Item Description: One loose stone Weight: 2.80 carats Measurements: 9.06 x 5.22 x 6.08 mm A GIA Natural Sapphire report is a gemological report issued...

Category

1950s Sri Lankan Contemporary Vintage OGI Ltd Loose Gemstones

Materials

Sapphire

Ogi Ltd loose gemstones for sale on 1stDibs.

Find a range of OGI Ltd loose gemstones available on 1stDibs. While looking for the most stylish antique or vintage OGI Ltd jewelry to pair with your ensemble, you’ll find that OGI Ltd sapphire loose gemstones, from our inventory of 7, can add a particularly distinctive touch to your look. We have 16 pieces in this collection as well as a number of other designs by this jeweler. While this collection reflects work that originated over various time periods, most of these items were designed during the 20th century. If you’re looking for additional options, many customers also consider loose gemstones by and Vaibhav Dhadda. Prices for OGI Ltd loose gemstones can differ depending upon gemstone, time period and other attributes. On 1stDibs, the price for these items starts at $2,175 and tops out at $27,270, while pieces like these, on average, can sell for $6,713.