Treated Black Diamond Princess Lapidary Supplies This sterling silver two-tone ring

This sterling silver two-tone ring features a bright 18 x 14

bead or other drilled finding (7

Anti-glare black finish helps to reduce eye fatigue

This adapter holds and centers 4" flasks in the flask chamber of the Neutec® Flowlogic® casting machines to maintain a direct pour from the type-A crucible into the flask

000rpm)—with forward and reverse action—is controlled either manually or by foot speed control

Treated Black Diamond Princess Lapidary Supplies This sterling silver two-tone ringThis treated black diamond features a princess cut and offers a bold accent to high end designsit looks great in contrast with white diamonds. Set it in a simple mounting by itself or pair it with any color or size of faceted gemstone or cabochon to create a pendant, ring or bracelet. Diamond is the birthstone of April. Composed only of carbon and shaped by eons of incredible heat and pressure, diamond is the hardest gemstone known to man and are