18k BLUE DIAMOND NATURAL UN TREATED .01.50ct. BAR PIN BROOCH t/lw 2.89gr 3 INCH.

ANTIQUE 18k BLUE DIAMOND NATURAL UN TREATED 0.01.50ct. POSSIBLE 0.02ct. DIFFICULT TO MEASURE BAR PIN BROOCH t/lw 2.89gr 3 INCHES LONG FROM INDIA THE COLOR IS LIGHT BLUE AND SPARKLES A LOT.

I HAVE ACID TESTED DIRECT TO THE METAL. IT IS CONFIRMED 18k & NOT 22k  POSSIBLE 20k. I HAVE NO ACID FOR 20k

THIS BROOCH PIN IS ANTIQUE MADE BETWEEN THE 1600'S & 1800's. 

IT WASN'T UNTIL 1969 THAT IN RUSSIA THEY DEVELOPED A PROCESS TO ENHANCE
DIAMONDS WITH EXTREME HIGH HEAT PRESSURE. ALL DIAMONDS BEFORE THAT DATE ARE NATURAL.

PURCHASED IN BOMBAY INDIA IN 1972 WITH OTHER ITEMS FOR OUR RETAIL CUSTOMERS.

Blue diamonds are only found in a few mines around the world. These mines include the Cullinan mine near Pretoria, South Africa, & the Argyle mine in Australia. Once, blue diamonds were mined in India's famous Kollur mine in Golconda India. IT IS SAID BUT NOT CONFIRMED THE HOPE DIAMOND WAS FROM THE KOLLUR MINE.

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SHIP USPS & DOMESTIC ONLY.

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