A Yellow Gold, Rock Crystal Reverse Intaglio, Diamond and Ruby Collar Necklace, consisting of pendant containing a reverse intaglio cut rock crystal depicting the goddess Diana the huntress set with gold fittings and accented with a cabochon cut ruby at the base, the pendant suspended from a hinged sectioned collar necklace containing 52 round brilliant cut diamonds weighing approximately 0.69 carat total, one pear shape cabochon cut ruby, and three square step cut rubies. 45.00 dwts.