Featured in this lot is this art nouveau pink sapphire, ruby, and black diamond, 10k yellow gold ring. The ring shows an art nouveau 10k yellow gold construction with a gold weight of 6.03GM. The ring shows a cluster center piece of 13 round brilliant black diamonds with a weight of 0.10 carats. The ring is profusely decorated with 13 round brilliant pink sapphires with a weight of 0.54 carats and 39 heated round brilliant rubies with a weight of 2.17 carats. The ring shows the Color Jewel Inc. hallmark with a 10k stamp on the inside of the ring band. The ring size is US 7 1/4.