Amethyst – Natural, Faceted, Purple, 4 ct
In materials with RIs lower than 1.76, like quartz, classic Portuguese cuts may create a dead area in the center of the stone. 14k white gold ring…
In materials with RIs lower than 1.76, like quartz, classic Portuguese cuts may create a dead area in the center of the stone. 14k white gold ring…
This amethyst has a GIA color grade of vP 5/5. That means a violetish purple hue, a medium tone, and a strong saturation. © RSA Gems. Used with permission.…
Sometimes, quartz forms from thermal fluids entering hollow parts of pillow basalts, creating geodes. Photo courtesy of liveauctioneers.com…
“Rose de France” amethyst, 3.70 cts. Photo courtesy of liveauctioneers.com and Jasper52.
“Siberian” amethyst, 25.81 cts. Photo courtesy of liveauctioneers.com and Jasper52.
5.80-ct amethyst, “millionaire square” cut, Brazil. Photo courtesy of liveauctioneeers.com and Jasper52.
Synthetic amethysts. Photo © Joel E. Arem, PhD, FGA. Used with permission.