The best way to show off this green tourmaline is with a pave diamond surround. This beautiful ring is comfortable to wear as an everyday part of your look and an excellent choice for an engagement ring. This is a "where did you get that" piece of jewelry MATERIAL: 18k yellow gold STONE TYPE/CARAT WEIGHT: Green Tourmaline 3.68 cts. Diamond 0.18 cts. DIMENSIONS: 0.5625''