This ring features a genuine Sapphire stone at the center surrounded by a combination of gold vermeil and engraved sterling silver patterns, designed with a royal spirit like a crown. The ring is a preset Size 7 and has an adjustable opening for width. The primary material is solid silver with a thick layer of 18k gold plating, which uses vacuum plating technology, ensuring it will not discolor. Although an official certificate for the Sapphire stone is not available, the product can be evaluated by any testing agency. It is an excellent cost-saving measure, and this ring is perfect for personal use or as a gift.