C. 1980. Here's a beloved style from our Estate collection, brimming with soft pastel hues. On this scarab necklace, oval cabochon gems alte… C. 1980. Here's a beloved style from our Estate collection, brimming with soft pastel hues. On this scarab necklace, oval cabochon gems alternate in 14kt yellow gold, including 12x9.9mm mother-of-pearl and lavender agate, as well as rose quartz, amethyst and aventurine totaling 42.50 carats. Lobster clasp, multi-gemstone scarab necklace. Exclusive, one-of-a-kind Estate Jewelry.