Burmese Fashion Rings

This ring features a rare 0.68-carat heart-cut red ruby from Burma, certified by GIA as untreated, showcasing its natural, vibrant red color (certificate number GIA6505603381). Paire...

Adorable Natural Pink Spinel Gemstone, Available For Sale At Wholesale Price Natural High Quality 1.95 carats Eye Clean Clarity Natural Loose Spinel from Burma. Product Information: GEMSTONE TYPE: Adorable Natural Pink Spinel Gemstone WEIGHT: 1.95 Carats DIMENSIONS: 8.7 x 7.5 x 4.5 mm CLARITY: Eye Clean SHAPE: Oval CUT: Modified Oval...

This incredible piece from the J. Birnbach vault features a 38.56 carat oval sapphire of transparent, blue color and Burma (Myanmar) origin with no indications of heat treatment (a true rarity in the gemstone marketplace*). Set in a handmade, platinum ring with 68 round brilliant cut diamonds = 1.16 carat total weight, this important sapphire is perfect for those with a sophisticated taste in exceptional jewelry. Purchased from Harry Winston in 1990, the stone was originally set in a signed, Harry Winston pendant mounting (included with purchase) signed "1817." The platinum frame is set with 80 round brilliant cut diamonds = 10.37 carat total weight and six pear shape diamonds = 3.00 carat total weight. The center sapphire was re-set in 2022 to to be featured as a more wearable ring for today's modern client. Purchase includes original, platinum, Harry Winston pendant mounting, original Harry Winston paperwork, copy of GRS report, copy of GIA grading report, complimentary sizing, and ring box. *Unheated Sapphires Large sapphires of gem-quality are rarely found in nature. Not only is a delicate mineralogical balance essential for this blue variety of corundum to be formed deep within the earth, but specific geological conditions as well as adequate pressure and temperature must also be present. Furthermore, the sufficient supply of a rare combination of chemical elements, such as aluminum, iron and titanium, are yet another necessity required for the formation of sapphires. Over the past decades, various heating techniques, as well as the use of chemical additives, have become increasingly sophisticated to raise the supply of sapphires resembling the high-quality untreated specimens. The aim of these treatments was, and still is, to improve the visual appearance of gemstones. Prior to the advent of modern heating techniques, rough sapphires...