Beautiful faceted hand-matched oval and pear-shaped Green Amethyst/Prasiolite Quartz gemstones in a gorgeous hand made clustered collar with 2 large Botswana Agate gemstones, bezel-set in 925-hallmarked sterling silver overlay. Length: 16-22" with an adjustable toggle clasp. Largest center vertical dimension: 2.25"  Matching bracelet available separately.