Cooper Bearing (Parabia) Tourmaline ring with diamonds set in 14kt white gold, sizable 7 1/2. .40cts round cut diamonds, Clarity: VS (G) color. The Tourmaline is a neon blue/green certified cooper and manganese bearing with traces of gold. This gem is cut in the trillion shape, weights: 1.62cts, VS clarity, Tourmaline is a 7 on the hardness scale, double refractive with a 1.66 on the refractive index. This gem has been heat treated for color. This Tourmaline was mined in Nigeria, Africa. It will come with the laboratory certificate stating cooper bearing gem. Alot of people have never seen a cooper bearing Tourmaline so they don't know why people hold these gems so valuable. The color and neon glow that comes from these stone is breath-taking in the sun light. We have other cooper bearing tourmalines in loose stones in different shades of color along with 100's and 100's of other gemstones. We will sale the loose gems or custom design you a one of a kind piece of jewelry and make it in any type of metal you want. We carry from your every day common gemstones to the rare collector gemstones. We offer a seven day inspection time on all gemstones and jewelry, if it's not what you thought you were buying or not in the condition you thought we will refund your money in full as long as the piece is returned in the same condition we sent it out, unless damaged in shipping.