https://gem-spectrum.com/2026/04/08/trigons-on-rough-diamond-surface-a-signature-of-natural-origin/ 2026-04-08T08:22:50Z Gem Spectrum print & digital jewelry magazine en Trigons on Rough Diamond Surface — A Signature of Natural Origin 2026-04-08T08:21:15Z Blog https://gem-spectrum.com/2026/04/08/aigs-inclusion-of-the-month-april-2026-chromite-inclusions-in-natural-diamond/ 2026-04-08T08:13:06Z Gem Spectrum print & digital jewelry magazine en AIGS Inclusion of the Month (April 2026) - Chromite Inclusions in Natural Diamond 2026-04-08T08:11:25Z Blog https://gem-spectrum.com/2026/04/08/natural-diamond-council-join-the-inaugural-world-diamond-day-celebration-with-one-post-april-8-2026/ 2026-04-08T03:35:56Z Gem Spectrum print & digital jewelry magazine en Natural Diamond Council: Join the Inaugural World Diamond Day Celebration with One Post! April 8, 2026  2026-04-08T03:33:17Z Blog https://gem-spectrum.com/2026/04/08/gia-examines-the-worlds-most-extraordinary-gemstones/ 2026-04-08T03:37:17Z Gem Spectrum print & digital jewelry magazine en GIA Examines the World’s Most Extraordinary Gemstones 2026-04-08T02:32:22Z Blog