Signature Jewelry Studio designs a vast array of high-end jewelry with some of the highest quality gemstones including diamonds, rubies, sapphires, emeralds, Fai Chui (jadeite) among others. We use only natural, and genuine gemstones. Unlike some of our competitors we do not use glass filled, heated, or synthetic gemstones. The skeleton frame of our tailor-made creations would be per customer choice of platinum, 18 Karat solid yellow, or 18 karat white gold.