Pre-owned 18ct Gold Gem Set NecklaceThis exquisite lariat necklace features a translucent purple amethyst and a pale blue topaz, both pear shaped briolette cut, all set in 18ct white gold with accents of thirteen twinkling round brilliant cut diamonds. The remarkable detail is suspended from a lovely belcher chain with a secure lobster clasp closure. The amethyst measures approximately 13. 57mm x 7. 75mm The blue topaz measures approximately 14. 14mm x 8. 17mm The round brilliant cut