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What is the difference between heated and unheated Ruby?
1 Answer

A heated ruby is a ruby wherein 1600 - 1700 degrees centigrade of heat is applied to the stone to improve it's color, luster, and/or clarity. This is a common method for most rubies is not a bad at all.
What makes unheated rubies valuable is their rarity. To find a beautiful ruby that does not need heat to improve it's beauty is very rare and highly unlikely.

Roman Malakov DiamondsMarch 22, 2021
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Shop for No Heat Ruby Ring on 1stDibs
Roman Malakov 3.60 Carats Total Baguette Cut Ruby
Round Cut Diamond Bracelet
By Roman Malakov
Located in New York, NY
A wonderful fashion bracelet, featuring 19 baguette cut rubies weighing 2.30 carats total, each set on a channel setting. Accented by 19 round brilliant cut diamonds weighing 1.30 ca...
Category
21st Century and Contemporary American Contemporary Tennis Bracelets
Materials
Diamond, Ruby, 14k Gold, Yellow Gold
GIA Certified 1.41 Carats Total Emerald Cut Diamond Halo Stud Earrings
By Roman Malakov
Located in New York, NY
A fashionable pair of stud earrings showcasing two emerald cut diamonds weighing 1.41 carats total, certified by GIA as D-F Color, SI1 in Clarity. Each emerald cut diamond is surroun...
Category
21st Century and Contemporary American Contemporary Stud Earrings
Materials
Diamond, Platinum
Cartier by Piaget Lapis Lazuli
Diamond Ladies
Watch in White Gold
By Piaget
Located in New York, NY
A rare limited edition Cartier by Piaget ladies' watch, showcasing an oval lapis lazuli dial encrusted with a diamond bezel. Diamonds weigh approximately 2.50 carats total with F col...
Category
Vintage 1970s Unknown Wrist Watches
Materials
Diamond, Lapis Lazuli, 18k Gold, White Gold
Cartier 1895 1.03 Carats Radiant Cut Diamond Engagement Ring in Platinum
By Cartier
Located in New York, NY
A gorgeous engagement ring by Cartier from the 1895 collection, showcasing a 1.03 carats radiant cut diamond certified by GIA as G color and VVS1 clarity. Accented by a diamond encru...
Category
Late 20th Century American Modern Engagement Rings
Materials
Diamond, Platinum
Roman Malakov 8.57 Carats Total Round Cut Diamond Dangle Earrings in White Gold
By Roman Malakov
Located in New York, NY
A intricate pair of dangling earrings, showcasing round brilliant cut diamonds weighing 8.57 carats total, set in an open-work and mace-like design. Finely made with 18K white gold. ...
Category
21st Century and Contemporary American Contemporary Dangle Earrings
Materials
Diamond, 18k Gold, White Gold
Roman Malakov Alternating Princess Cut
Baguette Diamond Eternity Wedding Band
By Roman Malakov
Located in New York, NY
A chic and sophisticated eternity wedding ring, showcasing baguette and princess cut diamonds, channel set in a polished platinum band. Baguette diamonds weigh 1.22 carats total whil...
Category
21st Century and Contemporary American Modern Wedding Rings
Materials
Diamond, Platinum
Shop More jewelry from Roman Malakov Diamonds on 1stDibs
Antique Carved Oval Turquoise Necklace in Yellow Gold
Located in New York, NY
A wonderful antique fashion necklace, featuring five carved oval turquoises set in a station-style placement along a woven 14k yellow gold chain. Each stone is finished with intricat...
Category
Mid-20th Century Unknown Retro Rope Necklaces
Materials
Turquoise, Yellow Gold
0.05 Carat Diamond Coral Pendant Necklace in Two-Tone Gold
Located in New York, NY
A beautiful necklace featuring a carved coral pendant with a floral motif. It is accented by five bezel-set diamonds with a total weight of 0.05 carats. Finely made in 18k two-tone g...
Category
Late 20th Century Unknown Retro Pendant Necklaces
Materials
Coral, Diamond, Gold, 18k Gold, White Gold, Yellow Gold
Lepozzi 0.54 Carat Diamond Coil Bangle Bracelet in White Gold
Located in New York, NY
A stylish bangle bracelet, featuring 7 rows of tightly coiled metal strands. The coils are accented with rectangular bars spaced evenly along the bracelet, each one adorned with roun...
Category
21st Century and Contemporary American Contemporary Bangles
Materials
Diamond, White Gold
0.70 Carat Total Diamond and Sapphire Basket-Weave Braided Bangle Bracelet
Located in New York, NY
A stylish bangle bracelet, featuring an intricate basket-weave design. This piece is accented by round brilliant diamonds with a total weight of 0.40 carats and a single cabochon sap...
Category
Early 2000s Unknown Contemporary Bangles
Materials
Diamond, Sapphire
Roman Malakov 5.13 Carat French Cut Sapphire
Diamond Bangle Bracelet
By Roman Malakov
Located in New York, NY
A beautiful bangle bracelet, featuring one row of french-cut blue sapphires weighing 5.13 carats total, set between two rows of round brilliant-cut diamonds weighing 2.62 carats tota...
Category
21st Century and Contemporary American Contemporary Bangles
Materials
Diamond, Sapphire, 18k Gold, White Gold
8.00 Carat Mixed-Cut Diamond Retro Style Brooch
Located in New York, NY
A unique brooch pin, featuring four intertwining ovals set with mixed-cut diamonds weighing 8.00 carats total. Finely made in 18k white gold and platinum.
Category
Late 20th Century Unknown Retro Brooches
Materials
Diamond, White Gold, Platinum
Roman Malakov 4.56 Carats Total Mixed-Cut Diamond Halo Chandelier Earrings
By Roman Malakov
Located in New York, NY
A stunning pair of chandelier earrings showcasing marquise and pear-shaped diamonds, each framed by a halo of round brilliant-cut diamonds in an openwork design. The diamonds have a ...
Category
21st Century and Contemporary American Contemporary Chandelier Earrings
Materials
Diamond, 18k Gold, White Gold





