Ross-Simons - 7.50ct t. w. Pink Topaz Vine Necklace in Gold Over Sterling. 18". On this unique necklace, 7.50 ct. t. w. round pink topaz gems garnish the tips of an 18kt yellow gold over sterling silver vine design. Emitting a delightful pink hue, the dispersed placement of the gems mimics a flourishing berry bush, bringing some sweetness to your ensembles. Suspends from a rolo chain. Lobster clasp, pink topaz vine necklace.