Tommaso Design 8x6mm Emerald Cut Genuine Citrine Earrings Studs 14 kt White Gold Metal: 14 kt White Gold. Dimensions: Width: 6.00 mm Length: 8.00 mm This Classic creation is made by the renowned Tommaso Design Studio. Tommaso Design Studio, is a reputable American Family Business based in New York since 1986, uses the highest quality materials, and will proudly stand behind all of its products. CITRINE: The Birthstone for November. The name comes from the French `citron` for `lemon`. A symbol of success is said to protect against sudden death and increase success, wisdom and prosperity and self-confidence. Additional Stones: