Categories Diamond GSI Flags Undisclosed Lab-Grown Diamonds in Brown Diamond Jewellery Amid Market Shift Toward Off-Colour Naturals – diamondworld.net Post author By Gold News Club Post date November 10, 2025 Click here to get this article in PDFEnter your Email AddressShare this: GSI Flags Undisclosed Lab-Grown Diamonds in Brown Diamond Jewellery Amid Market Shift Toward Off-Colour Naturals diamondworld.net ← How a Harper’s Bazaar editor chooses her jewellery for the Women of the Year Awards – Harper’s BAZAAR → Inside the Vault: Exclusive Interview with The Royal Canadian Mint | NEW Silver Coin Reveal!