未镶嵌钻石

金额

$7,276,570,327.45

频次

1,504,572

最近

2026-02-28

Somewhere in Brazil in the 1500s, a Spanish conquistador washed the dirt from a green tourmaline crystal and confused the vibrant gem with emerald.;Want to see into the future? Be an eloquent speaker? Defeat spells and enchantments? Such is the lore of the emerald.;Garnets are a set of closely related minerals that form a group, resulting in gemstones in almost every color.;Tourmaline is a birthstone for October, along with opal. Tourmaline is also the gem of the eighth anniversary.;Iolite gemstone is the gem-quality variety of the mineral cordierite. In shifting shades of violet & blue, it carries the spirit of journey & illumination.;Pearl gems are probably the most loved gems of all time. Seductive strands, warm to the touch. Pearls are simply & purely organic.;GIA's Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe.;Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.;With Report Check, you can quickly and conveniently confirm that the information on your report matches what is archived in the GIA report database.;Maintain your laboratory account information and grading results online. You can manage your team members and provide access to My Laboratory.;GIA offers a comprehensive curriculum that prepares you for careers in jewelry design, appraisal, sales, bench jewelry and more.;GIA is the world's most trusted name in diamond grading and gem identification. With objectivity and expertise as its hallmarks.;No information is available for this page. · Learn why;No information is available for this page. · Learn why;GIA's Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe.;Get to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA.;Established in 1931, the Gemological Institute of America (GIA) is the world's foremost authority on diamonds, colored stones, and pearls.

金额

$6,325,366,292.13

频次

676,426

最近

2026-02-27

Somewhere in Brazil in the 1500s, a Spanish conquistador washed the dirt from a green tourmaline crystal and confused the vibrant gem with emerald.;Want to see into the future? Be an eloquent speaker? Defeat spells and enchantments? Such is the lore of the emerald.;Garnets are a set of closely related minerals that form a group, resulting in gemstones in almost every color.;Tourmaline is a birthstone for October, along with opal. Tourmaline is also the gem of the eighth anniversary.;Iolite gemstone is the gem-quality variety of the mineral cordierite. In shifting shades of violet & blue, it carries the spirit of journey & illumination.;Pearl gems are probably the most loved gems of all time. Seductive strands, warm to the touch. Pearls are simply & purely organic.;GIA's Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe.;Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.;With Report Check, you can quickly and conveniently confirm that the information on your report matches what is archived in the GIA report database.;Maintain your laboratory account information and grading results online. You can manage your team members and provide access to My Laboratory.;GIA offers a comprehensive curriculum that prepares you for careers in jewelry design, appraisal, sales, bench jewelry and more.;GIA is the world's most trusted name in diamond grading and gem identification. With objectivity and expertise as its hallmarks.;No information is available for this page. · Learn why;No information is available for this page. · Learn why;GIA's Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe.;Get to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA.;Established in 1931, the Gemological Institute of America (GIA) is the world's foremost authority on diamonds, colored stones, and pearls.

金额

$737,556,292.48

频次

463,883

最近

2026-02-28

KIRAN GEMS is the World's Largest Manufacturer of Natural Polished Diamonds and India's Premier Diamantaire, establishing benchmarks not just for the sheer ...

金额

$480,518,648.21

频次

849,731

最近

2026-02-28

Dimexon provides high quality, ethically sourced and perfectly calibrated melee diamonds for your jewellery business.

金额

$1,548,052,792.63

频次

494,554

最近

2026-06-15

Rosy Blue is one of the world's largest diamond manufacturers, due as much to our integrity as to the exceptional quality of our product.|Discover the latest news about Rosy Blue.|With a long and distinguished history of excellence in the diamond industry, Rosy Blue is one of the world's foremost diamantaires.|The operations of Rosy Blue include rough trading, diamond manufacturing and polished trading.|Our manufacturing focuses on better-quality goods of SI quality or above. These are mainly round stones (0.005 points to 10+ carats), but we also produce ...|Contact us · Belgium · United Arab Emirates · Hong Kong · Japan · United States · China · India · India. Intergold Pvt. Ltd. Plot No 34, Seepz, Sez, ...|We are excited to announce our 2022 Annual Report is now available. It includes Rosy Blue's key achievements from last year, an overview of our activities, ...

金额

$108,651,478.49

频次

239,870

最近

2026-02-27

The largest collection of natural & lab grown diamonds, plus gemstones, melee & more · 2 million natural & lab grown diamonds · 80,000 coloured gemstones ...