【Russia】ALROSA Signs 67 Long-Term Diamond Supply Agreements
Editor’s NoteALROSA has secured 67 long-term agreements with 65 companies for the sale of rough diamonds for the 2018-2020 contract period, including…
gem-quality diamonds
【Shandong, Ch】Large Colorless HPHT Synthetic Gem Diamonds from China
Editor’s NoteThis article highlights the rapid advancements in HPHT technology for synthesizing gem diamonds, now capable of producing both…