Multi-Color Gemstone Cascade Necklace A multicolored collection of gemstones cascade upon an elegant chain of sterling silver - simple, cheerful, and chic! The lovely collection of stones include peridot, rare pink sapphire, london blue topaz, and a pale green prasiolite (also called green amethyst). The largest stone (prasiolite) measures approximately 10mm high, while the small peridot gemstones measure approximately 5mm in size. chain is adjustable 17" to 18.5" with sterling silver spring-ring clasp. Designed and crafted in California. ~ Crafted in the USA ~ necklace: adjustable, 17"-18.5" length materials: sterling silver, green amethyst, London blue topaz, pink sapphire, peridot