Skip to main content

OGI Ltd Loose Gemstones

to
2
1
1
1
1
to
2
1
1
4
4
3
1
188
142
95
90
60
4
4
Creator: OGI Ltd
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

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

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

Early 20th Century Colombian Contemporary OGI Ltd Loose Gemstones

Materials

Emerald

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

Related Items
2.11 Carat Pink Sapphire Oval, Unset Loose Gemstone, GIA Certified
Located in Los Angeles, CA
This sapphire is an eye catching, vibrant purplish pink color measuring 9.09 x 6.70 x 3.39 millimeters and weighing 2.11 carats. This oval gem would make a lovely 3-stone or engageme...
Category

21st Century and Contemporary Unknown Artisan OGI Ltd Loose Gemstones

Materials

Sapphire, Pink Sapphire

Natural Padparadscha Sapphire, .75 Carat Loose Gemstone, GIA Certified Unheated
By Sarosi By Timeless Gems
Located in Los Angeles, CA
This unheated petite padparadscha packs a punch with its unusually intense natural color. Padparadscha sapphires are highly coveted and prized for their unique and elegant blend of p...
Category

21st Century and Contemporary Artisan OGI Ltd Loose Gemstones

Materials

Sapphire, Padparadscha Sapphire

1 Carat Emerald Certified Loose Diamond - J SI2, GIA Certified
Located in Tustin, CA
This stunning 1.00-carat emerald-cut diamond radiates elegance with its timeless shape and exceptional sparkle. Graded J color by the GIA, it offers a warm brilliance, making it an e...
Category

2010s American OGI Ltd Loose Gemstones

Materials

Diamond

1.35 Carats Loose Emerald Stone Emerald Cut Natural Gemstone From Afghanistan
Located in Bangkok, TH
Weight 1.35 carats Dimensions 6.9x6.5x4.6 mm Treatment none Clarity included Origin Afghanistan Shape octagon Cut emerald This exquisite 2.25 carats Light Blue Aquamarine, c...
Category

21st Century and Contemporary Afghan Modern OGI Ltd Loose Gemstones

Materials

Emerald

4.35 carats Emerald Stone Emerald Cut Natural Gemstone from Zambia
Located in Bangkok, TH
Weight 4.35 carats Dimensions 10.6x9.4x5.3 mm Treatment minor oil Origin Zambia Clarity SI Shape octagon Cut emerald This stunning 4.35 carat emerald is a natural gemstone so...
Category

21st Century and Contemporary Zambian Modern OGI Ltd Loose Gemstones

Materials

Emerald

GIT Certified 221.4 Ct Natural Topaz no treatment Brazil collection size
Located in bangkok, TH
TPA06 Name: Natural Topaz weight: 221.4 Carats size: 33.5*34.7*22.5mm origin: Brazil color: light champagne clarity: eye clean certificate: GIT ( Thailand national certification)...
Category

2010s OGI Ltd Loose Gemstones

Materials

Topaz

Purplish Pink Certified Natural Sapphire Earrings Loose Gemstone Pair Set 3 Ct
Located in Peshawar, PK
Purplish Pink Certified Natural Sapphire Loose Gemstone Pair Set for Earrings, Ring, Necklace Pendant, Bracelet or any other Jewelry Setting-Emerald Cut from Tajikistan!! 💎 GEMSTON...
Category

21st Century and Contemporary Tajikistani Contemporary OGI Ltd Loose Gemstones

Materials

Sapphire, Pink Sapphire

Certified 1.4 Carat Natural Vivid Pink Cushion Mixed Eye Clean Pink Sapphire
Located in Kowloon, HK
Introducing a stunning natural vivid pink sapphire, weighing 1.4 carats, that is sure to capture your heart. This gemstone boasts a vibrant and lively color that is simply breathtaki...
Category

2010s Tanzanian Modern OGI Ltd Loose Gemstones

Materials

Pink Sapphire

0.68 Carat Natural Loose Colombian Emerald-Emerald Cut
Located in Jupiter, FL
Stone: Emerald Weight: 0.68-carats Shape: Emerald Cut Clarity: Transparent Luster: Excellent-Very Good Color: Light Green Measurements: 5.84mm x 4.97mm x 3.67mm Geographic Origin: Co...
Category

2010s Colombian Modern OGI Ltd Loose Gemstones

Materials

Emerald

AGL Certified 1.50 Carat Loose Blue/Green Tourmaline Gemstone
Located in Towson, MD
This AGL certified loose 1.50-carat triangle-cut blue-green tourmaline measures 7.52 x 7.55 x 5.12mm. Known for its brilliance and durability, tourmaline is a sought-after gemstone,...
Category

21st Century and Contemporary Contemporary OGI Ltd Loose Gemstones

Materials

Tourmaline

GIA 22.08ct Natural Citrine Light Yellow Lemon Quartz Emerald Step Cut
Located in New York, NY
Citrine - Stone of Happiness. This November birthstone is the beautiful transparent light yellow variety of quartz, often called "Lemon Quartz". Citrine has been a popular gemstone ...
Category

2010s North American OGI Ltd Loose Gemstones

Materials

Citrine, Quartz

1.58 Carat Citrine Quartz
Located in Hua Hin, TH
A fiery 1.58 carat Citrine Quartz imbued with a strong orange color. 1.58 carat Oval Orange Citrine Quartz Shape: Oval Crown: Modified Brilliant Pavili...
Category

2010s Unknown OGI Ltd Loose Gemstones

Materials

Citrine, Quartz

1.58 Carat Citrine Quartz
1.58 Carat Citrine Quartz
W 0.29 in D 0.18 in L 0.36 in
Previously Available Items
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
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
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 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 No Heat Cabochon Burma Ruby Loose Stone Weighing 5.05 Carats
By OGI Ltd
Located in New York, NY
Introducing a breathtaking piece of natural beauty, the GIA Certified No Heat Cabochon Burma Ruby Loose Stone weighing an exquisite 5.05 carat...
Category

20th Century Burmese Contemporary OGI Ltd Loose Gemstones

Materials

Ruby

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
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
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

GIA Certified Oval Ruby Natural Corundum Loose Stone Weighing 2.09 Carat Heated
By OGI Ltd
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

1950s Burmese Contemporary Vintage OGI Ltd Loose Gemstones

Materials

Ruby

GIA Certified No Heat Pear Shape Carving Natural Sapphire Weighing 4.70 Carats
By OGI Ltd
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...
Category

Early 20th Century Burmese Contemporary OGI Ltd Loose Gemstones

Materials

Sapphire

Fancy Intense Yellow Diamond Set in Eighteen Karat Yellow Gold Sideway Ring
By OGI Ltd
Located in New York, NY
Fancy Intense Yellow Diamond weighing 1.25 carat Set in eighteen karat yellow gold sideway ring GIA Certificate Stone Measuring 7.07x 5.49 x 3.72 Clarity and color VS1 EX G Faint ...
Category

2010s American Modern OGI Ltd Loose Gemstones

Materials

Diamond, Yellow Diamond

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.

Recently Viewed

View All