This is an authentic ring from David Yurman, it is crafted from sterling silver with 14k yellow gold in a polished finish. The dome band has a cable design and the center of the dome has a yellow gold strip set with square cut Rhodolite Garnet. It is signed by the designer with the metal content.Material: sterling silver and 14k yellow goldHallmark: 14k DY 925Gemstones: Rhodolite garnetMeasurements: 0.88" across x 0.59" wide x 0.30" high ?Ring Size: 6Weight: 8.3 grams