Here is a Fine 

UNOAERRE 

18KT Diamond Heart Pendant Necklace.  Made from Solid 18KT White Gold and weighs 9 grams.  It holds 1.71Ct of Natural Round Brilliant Diamonds that are E - F Color VVS Clarity Diamonds, Full of Shine and Fire.  Heart is 15mm x 16mm , chain is 16 inches long , and has a 1 1/2 inch drop in the center.  Hallmarked 1.71 , K18, UNOARRE.