Natural Sunstone — 17.75 ct, United States (Oregon), Modified Oval Brilliant (GL) emerald cut diamond Cut: Multiple attached double terminated

Cut: Multiple attached double terminated crystals

No other treatments of any kind

Size: 8 x 4 x 4 mm deep

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Natural Sunstone — 17.75 ct, United States (Oregon), Modified Oval Brilliant (GL) emerald cut diamond Cut: Multiple attached double terminatedThis 17. 75 carat Oregon sunstone displays pronounced copper schiller typical of material from the United States. The copper platelets create strong internal reflections that affect light return and transparency. The stone is untreated. Schiller intensity varies between specimens and is a defining characteristic of copper bearing feldspar from this locality. Origin: Oregon Weight: 17. 75 carats Size: 21 x 15 x 10. 7 mm deep Clarity: Heavy copper