0.77 ct Black Colourplay Oval Chatham Grown Opal green-gold Available in widths from 4

Available in widths from 4 mm through 8 mm

25 or up to a size 7

and may not have traceability information for these gems

Deep Peacock Blue (Greenish Blue) Colour

0.77 ct Black Colourplay Oval Chatham Grown Opal green-gold Available in widths from 40. 77 Carat Weight Black Colourplay Colour Oval Cabochon Cut Dimensions: 8 (approx) x 6. 13 x 2. 61 mm Laboratory Opal Brand: Chatham Lab Report: None Chatham provides a Lifetime Warranty on their gemstones "That famous Chatham quality is no accident: its the result of continuous technical refinement over our 75 year history. It starts with carefully controlling the gem crystal growth process but it doesnt stop there. Our master gemstone cutters