1.81ct Unheated Missouri River Sapphire, El Dorado Bar, MT
Cut in the USA in Alexandre Wolkonsky’s “Chevron Square Cushion” design
6.65 x 4.83 mm
A greenish blue Montana sapphire with wonderful clarity and a classic cushion cut. Actually shifts between blue and greenish blue when turned ninety degrees! Extremely clean, under a 10x loupe there is only one small patch of very fine silk in the crown.