Gemstone - Peridot - Not Treated, White Zircon - Heated Metal - 10k Yellow Gold, Metal Wt : 2.20 gm Stone Size - 10 x 8, 1 x 1 mm, Stone Wt : 2.66 ct, 0.22 ct,Product Weight - 2.77 gm 10k gold quality stamp Distinctive and captivating qualities of natural stones is that each piece has subtle variation, with unique colors and patterns. As a result, the gemstone in your jewelry may be slightly different from the piece in the picture.