Certified Oval Natural Citrine Ring and 925 Sterling SilverCitrine gemstone is very rare in nature. It is a transparent, yellow variety of Quartz, ranging in color from pale to golden yellow, honey or almost brown, and may contain rainbow or sparkle inclusions. The name comes from the French word citron, meaning lemon. It was used as a gem in Greece as far back as 300 B. C Fine or Fashion: Fine Main Stone: 100% Natural Citrine Metals Type: 925 Sterling Silver Metal Stamp: 925 Sterling Setting Type: Prong