Skip to main content

OGI Ltd Loose Gemstones

to
4
2
1
1
1
1
to
2
1
1
4
4
3
1
4
4
4
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 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

Early 20th Century Colombian Contemporary 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 Loose Gemstones

Materials

Citrine, Quartz

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 Loose Gemstones

Materials

Pink Sapphire

Related Items
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
Category

21st Century and Contemporary Colombian Art Deco Loose Gemstones

Materials

Emerald

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 Loose Gemstones

Materials

Sapphire, Padparadscha Sapphire

Natural Yellow Sapphire Gemstone 17.48 carats with AGL Report / JupiterGem
Located in Los Angeles, CA
Please inquire for more videos/photos. Details Identification: Natural Yellow Sapphire • Carat: 17.48 carats • Shape: cushion • Measurement: 13.47 x 13.32 x 10.18 mm • Color: yello...
Category

21st Century and Contemporary Unknown Loose Gemstones

Materials

Sapphire, Yellow Sapphire

AGL Certified 4.45 Carat Colombian Emerald Loose Stone Insignificant Oil
Located in Miami, FL
AGL-certified 4.45 carat square emerald cut natural Colombian emerald with insignificant clarity enhancement and transparent green color. Loose stone ideal for custom settings, measu...
Category

21st Century and Contemporary Contemporary Loose Gemstones

Materials

Emerald

MARKDOWN, GIA 5.60 Carat Certified Natural Sapphire Loose Gemstone
Located in Great Neck Plaza, NY
5.60 Carat GIA Certified Natural Sapphire - Oval Shape, Blue This exquisite 5.60-carat natural sapphire boasts a mesmerizing blue hue, making it a stunning centerpiece for any fine ...
Category

2010s American Modern Loose Gemstones

Materials

Sapphire, 14k Gold, White Gold

GIA Certified 0.52 Carat Burma No Heat Natural Vivid Red Ruby
Located in Kowloon, HK
This exquisite 0.52 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 Loose Gemstones

Materials

Ruby

AGL Certified 4.20 Carat Colombian Emerald Minor Oil Loose Stone
Located in Miami, FL
AGL certified 4.20 carat Colombian emerald featuring rectangular emerald cut with vivid green color and minor traditional oil enhancement. Natural beryl measuring 10.88 x 10.33 x 6.1...
Category

21st Century and Contemporary Modern Loose Gemstones

Materials

Emerald

Natural Pink Sapphire Gemstone 1.61 carats / JupiterGem
Located in Los Angeles, CA
Identification: Natural Pink Sapphire 1.46 carats Carat: 1.46 carats Shape: Oval Measurements: 7.96 x 6.25 x 4.07 mm Cut: Brilliant/Step Color: Pink Clarity: very eye clean Origin:...
Category

21st Century and Contemporary Sri Lankan Loose Gemstones

Materials

Pink Sapphire

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 Loose Gemstones

Materials

Topaz

3.85 Carat Natural Loose Maraba Citrine Octagon Cut Gemstone
Located in Peshawar, PK
Loose Maraba Citrine Weight: 3.85 Carats Dimension: 9.9 x 9.4 x 6.8 Mm Origin: Brazil Cut: Octagon Treatment: Non Certificate: On Demand Citrine is a vibrant yellow to orange vari...
Category

21st Century and Contemporary Brazilian Arts and Crafts Loose Gemstones

Materials

Citrine, Other

Certified 0.75 Carat Natural Loose Pink Sapphire Step Cut Gemstone
Located in Peshawar, PK
Loose Pink Sapphire Weight: 0.75 Carat Dimension: 6.02 x 3.99 x 3.33 Mm Colour : Pink Cut: Step Treatment: Non Origin: Sri Lanka Certificate: GIT Certificate Available A Loose...
Category

21st Century and Contemporary Sri Lankan Arts and Crafts Loose Gemstones

Materials

Pink Sapphire

4.35 Carat Natural Loose Rutile Peridot Cushion Shape Gemstone
Located in Peshawar, PK
Loose Rutile Peridot Weight: 4.35 Carats Dimension: 9.6 x 8.9 x 6.2 Mm Origin: Supat Valley, Pakistan Shape: Cushion Color: Green Treatment: Non Pakistan peridot is a stunning va...
Category

21st Century and Contemporary Pakistani Arts and Crafts Loose Gemstones

Materials

Jasper