Metal Type: 18kt white gold with platinum wire.PavRound Diamond Weight: .44cttw.Pink Tourmaline Briolette Weight: ~15cttw.Double Sided Rose-Cut Blue Topaz: 15.36cttw.Dimensions from center of stud to bottom of briolettes: ~73mm (~2 7/8') and ~30mm (~1 5/32') at widest point.