Turquoise #9 | Pilot Mountain Copper The Setting: Cast 4 Prong

The Setting: Cast 4 Prong Set Ring

The stone is completely unenhanced and has appealing translucency when held up to the light

The Color: Blue Chrysocolla with Green Malachite and Red Cuprite

While the first known diamond engagement ring was given in 1477

stone measurements: 23mm x 17

Turquoise #9 | Pilot Mountain Copper The Setting: Cast 4 ProngThe Stone: Turquoise natural stabilized The Weight: 61. 13 carats The Origin: Pilot Mountain Mine, Nevada The Cut: Freeform Cabochon Cut stone measurements: 32. 95mm x 21. 53mm x 13. 18mm About Turquoise: What once was regarded a common byproduct of copper mining is now realized to be a rather scarce gem. Typically found in or near copper mines around the world, turquoise from each locality differs in color, quality, character, and rarity. Certain