4-8mm Cultured Pearl, 3.15ct t.w. Multi-Gem Triple-Strand Bracelet This 4-8mm cultured pearl and 3.15 ct. t.w. multi-gem triple-strand bracelet is a joyful design design full of color and luster. Strands of 7.5-8mm cultured freshwater pearls, turquoise beads and 3.15 ct. t.w. rubies have a vibrant clasp studded with 4-4.5mm cultured freshwater pearls and a 15-16mm faux button pearl. Vermeil* bracelet. *18kt gold-plated sterling silver. Pearl birthstones are the perfect gift for June birthdays.