This lovely authentic brooch is from Tiffany & Co. It is crafted from 18k yellow gold with a polished finish, the heart is a lovely open form with fluted design. The top center of the heart has 3 princess cut diamonds. The pin comes with a safety clasp. It is signed by the designer with the metal content.Material: 18k yellow goldMeasurement: 1.33" tall x 1.25" wide x 0.12" highDiamond: 60 points Color: G Clarity: VS1Weight: 15.4 grams