Sleepers diamonds Antique Cushion Size 1.40 Cts

Earrings 18kt rose and yellow gold dormeuses (hallmark: eagle's head) with cushion-cut diamonds in the center. Total weight of diamonds estimated at approx. 1.40 Cts (color estimated J, purity estimated VS2 to SI1). French work of the 19th century. Gross weight: 4.48 gHeight: 1.80 cmWidth: 1.20 cm Condition: very slight micro-scratches on the gold parts, slight wear to the setting, see photos. The diamond crystallizes between 150 and 750km beneath the earth's mantle. At this depth, pressure is more than 50,000 times greater than atmospheric pressure. This compresses the atoms together, giving diamond its great hardness and brilliance. All our antique earrings.