C. 1980. Sparkling with rich colors, this Estate collection necklace features 1.33 ct. tot. gem wt. green and pink tourmaline, garnet, ameth… C. 1980. Sparkling with rich colors, this Estate collection necklace features 1.33 ct. tot. gem wt. green and pink tourmaline, garnet, amethyst, citrine and sky blue topaz rounds clustered closely inside a sculptural pendant. Crafted in polished 18kt yellow gold and suspended from a curb chain with a springring clasp. Multi-gemstone pendant necklace. Exclusive, one-of-a-kind Estate Jewelry.