PREVIOUSLY USED David Yurman CHATELAINE COLLECTION 14mm Blue Topaz & Diamond RingSize 7 Specifications Estimated Retail $1800 Metal : High Polish 925. Sterling Silver Gem: Blue Topaz 14mm X 14mm Checkerboard Faceted Cushion Shape Diamonds: Round Brilliant, Pave Setting, Near Colorless SI clarity Estimated .30ct -.35ct Total Signature: Inside The Band (c) DY Hallmark: 925 Condition: Very Good Collateral : Pouch Guarantee : YES 100%