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Gemstone: Ruby
GRS Certified Natural Ruby 4.04 Carat No Heat Vivid Red
By Harbor Diamonds
Located in New York, NY
Lively Octagonal shape Natural Ruby weighing 4.04 carats with No Heat. Color: Vivid Red Dimensions: 11.12 x 7.69 x 3.76 mm Please email for more rubies.
Category

2010s Mozambican Contemporary Loose Gemstones

Materials

Ruby

GRS & GIA Certified Burma Oval Shape Ruby 3.16 Carats Heated
By Harbor Diamonds
Located in New York, NY
GRS & GIA Certified Oval shape red Ruby weighing 3.16 Carats and measuring 8.90 x 7.50 MM, Burma. Heated. Can customize in a ring, pendant or bracelet. More Rubies in stock. Email f...
Category

2010s Burmese Contemporary Loose Gemstones

Materials

Ruby

GRS & GIA Certified Burma Red Oval Ruby 4.02 Carats Heated
By Harbor Diamonds
Located in New York, NY
GRS & GIA Certified Oval shape Red Ruby weighing 4.02 carats and measuring 10.40 x 8.00 MM, Burma. Heated Can customize in a ring, pendant or bracelet. More Rubies in stock. Email f...
Category

2010s Burmese Contemporary Loose Gemstones

Materials

Ruby

GRS & GIA Certified Oval Red Ruby 2.17 Carats Burma 8.80 x 6.70 MM
By Harbor Diamonds
Located in New York, NY
GRS & GIA Certified Oval shape red Ruby weighing 2.17 Carats and measuring 8.80 x 6.70 MM, Burma. Heated. Can customize in a ring, pendant or bracelet. More Rubies in stock. Email f...
Category

2010s Burmese Contemporary Loose Gemstones

Materials

Ruby

Mozambique Natural Ruby Pigeon Blood 5.38 Carat
By Harbor Diamonds
Located in New York, NY
Gorgeous Natural Ruby with vivid red Pigeon Blood color weighing 5.38 carats. No Heat Shape: Octagonal Dimensions: 11.5 x 8.20 x 5.62 mm
Category

2010s Mozambican Contemporary Loose Gemstones

Materials

Ruby

Natural No-Heat Ruby Oval Gem – AGL Certified Rare Luxury for Collectors
By Merkaba
Located in Beverly Hills, CA
Exceedingly Rare 2.09 Carat Natural No-Heat Ruby – A Gemstone Collector’s Dream By Merkaba Beverly Hills. Discover the unparalleled elegance of this 2.09 carat natural no-heat Ruby, an exceptional oval gem that epitomizes rarity, beauty, and sophistication. Offered unmounted, this gemstone is a treasure for the world’s most discerning collectors and luxury connoisseurs. With its rich red hue, impeccable quality, and AGL certification, this Ruby represents the pinnacle of natural gemstones, making it a once-in-a-lifetime acquisition for a sophisticated gemstone enthusiast. The Rarity of No-Heat Rubies Rubies of this caliber are among the rarest gemstones on Earth. While most rubies undergo heat treatment to enhance their color and clarity, this natural no-heat Ruby retains its original beauty, showcasing its untouched vibrancy and brilliance. Gems like this are incredibly scarce, placing them in a class of their own for collectors and connoisseurs who value authenticity and exclusivity. The AGL gem...
Category

21st Century and Contemporary Mozambican Contemporary Loose Gemstones

Materials

Ruby

2.25 Carat GRS Certified Octagon Cut Vivid Purple-Red Ruby
Located in Hong Kong, HK
A very rare gemstone, it is a GRS certified natural octagon cut vivid purple-red ruby weighing 2.25 carat. The ruby has excellent cutting proportions, and possesses extremely fine colour saturation and brilliance. This ruby is of gem quality. It is perfect for creating a bespoke engagement ring...
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Ruby

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AGL Certified 2.05 Carat No Heat Oval Blue Sapphire and Diamond Gold Ring
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Located in New York, NY
Beautiful Classic Oval Halo Ring. The ring is 14K White Gold. The center stone is an oval shaped 2.05 Carat Blue Sapphire. The Sapphire is certified by AGL, NO HEAT. The ring has 0.7...
Category

21st Century and Contemporary American Contemporary Loose Gemstones

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, White Gold, 14k Gold

AIGS Certified 1.12 Carat Natural No Heat, Vivid Red Ruby Ring made in Platinum
Located in Tokyo, JP
A beautiful Ring set in Platinum featuring a AIGS Certified 1.12 Carat Natural No Heat, Pigeon Blood Ruby and 0.48 Carat Diamonds. Rubies are referred to as "Ratnaraj" in Sanskrit me...
Category

21st Century and Contemporary Japanese Modern Loose Gemstones

Materials

Diamond, Ruby, Platinum

AIGS Certified Mozambique Pigeon Blood Ruby Cocktail Ring with Diamonds
Located in Kowloon, HK
AIGS Certified Mozambique Pigeon Blood Ruby Cocktail Ring with Diamonds 1 Ruby - 1.22 CT Origin:Mozambique / Pigeon Blood / No Heating AIGS Certification Diamonds - 1.47 CT Total ...
Category

21st Century and Contemporary Hong Kong Modern Loose Gemstones

Materials

Diamond, Ruby, 18k Gold

GRS Certified 2.04 Cts Natural Vivid Pink No Heat Sapphire Rose Cut Diamond Ring
Located in Hong Kong, HK
Please check out the HD video! 99% of all pink sapphires are heat treated to improve the color and clarity but this one is spared from any treatment. We would...
Category

2010s Hong Kong Loose Gemstones

Materials

Diamond, White Diamond, Sapphire, Pink Sapphire, Gold, 18k Gold, White Gold

15.97 Carat GRS Certified No Heat Color Change Sapphire Diamond Engagement Ring
Located in Hong Kong, HK
A magnificent ring, it features a huge 15.97 carat GRS certified unheated (no heat) color-change sapphire accented by two kite-cut white diamonds to form a beautiful three-stone ring...
Category

2010s Hong Kong Contemporary Loose Gemstones

Materials

Diamond, Sapphire, Gold, 18k Gold, White Gold

GIA Certified 5.17 Carat Oval Burma Ruby and Diamond Ring in 18 Karat White Gold
Located in Chicago, IL
This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers ...
Category

2010s American Contemporary Loose Gemstones

Materials

Ruby, 18k Gold, White Gold

Emilio Jewelry Certified 8.80 Carat Burma No Heat Ruby
By Emilio!
Located in New York, NY
From Emilio Jewelry, a well known and respected wholesaler/dealer located on New York’s iconic Fifth Avenue, Main Stone: 7.60 carats Red OVAL" Matching: white diamonds totaling abo...
Category

21st Century and Contemporary Loose Gemstones

Materials

Ruby, Platinum

Emilio Jewelry Grs Certified Burma No Heat Ruby
By Emilio!
Located in New York, NY
From Emilio Jewelry, a well known and respected wholesaler/dealer located on New York’s iconic Fifth Avenue,  Featuring one of the rarest Natural Rubies in the world. This ruby has r...
Category

21st Century and Contemporary Loose Gemstones

Materials

Ruby, Platinum

Emilio Jewelry GRS Certified 7.50 Carat Burma No Heat Pigeon Blood Ruby Ring
By Emilio!
Located in New York, NY
From Emilio Jewelry, a well known and respected wholesaler/dealer located on New York’s iconic Fifth Avenue, Please inquire for more images, certificates, and details. Zoom meetings...
Category

21st Century and Contemporary Loose Gemstones

Materials

Ruby

GIA GRS Certified 4 Carat Oval Blue Sapphire Diamond Platinum Ring
By Antinori Fine Jewels
Located in Chicago, IL
GIA GRS Certified 4 Carat Oval Blue Sapphire Diamond Platinum Ring
Category

2010s Modern Loose Gemstones

Materials

Diamond, White Diamond, Blue Sapphire, Platinum

Natural Burma No Heat Ruby Ring, by Gübelin, SSEF Certified
By Gubelin
Located in Idar-Oberstein, DE
Natural Burmese ruby and diamond ring made by the famous Swiss jewellery house Gübelin. Set in platinum with an antique cushion-shaped ruby weighing ca. 2.4ct, between two bright and...
Category

20th Century German Loose Gemstones

Materials

Ruby, Platinum

Emilio Jewelry 3.50 Carat Certified Vivid Red Pigeons Blood Ruby Ring
By Emilio!
Located in New York, NY
From The Vault At Emilio Jewelry New York, A gorgeous breathtaking elongated ruby certified by C.Dunaigre as Vivid Red pigeons blood weighing ov...
Category

21st Century and Contemporary Loose Gemstones

Materials

Ruby

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