Bi-Color Tourmaline 3.88 ctsStone type: Bi Color Tourmaline Weight: 3. 88 cts Color: Green, Yellow Dimension: 14. 28 x 6. 96 x 4. 27 mm Shape & Cut: Cushion, Yavorskyy cut Treatment: Unheated and Untreated (No Indications Observed) Refractive Index: 1. 618 1. 643 Hardness: 7 7. 5 Specific Gravity: 3. 1 Optical properties: Doubly refractive Chemical formula: Complex Boron Silicate Shipment from: Thailand Return Policy: 3 Day Money Back Return*

crafted by nature and perfected by master cutting

expertly cut in a precision round brilliant shape that captures and reflects light with mesmerizing fire

What makes this ruby particularly valuable is its complete lack of heat treatment

and timeless refinement

Shape & Cut:Square

exceptional polish

and the rare charm that only natural spinel can offer

21 cts / 2 pcs

This stunning set of 4 natural round brilliant cut spinel (total weight  2

these spinel deliver both artistic inspiration and market prestige

but of origin

unyielding crimson that glows from within