3.00ct t.w. Amethyst Earrings, CZs, Black Spinel In Silver When you're in the mood to make a striking statement, reach for these gorgeous 3.00 carat amethyst earrings with CZs and black spinel. The fabulous center gemstones are framed in .65 ct. t.w. of CZs and outlined in black spinel. So electrifying! Clutch/post, sterling silver earrings. CZ weights are diamond equivalents. Amethyst birthstones are the perfect gift for February birthdays.