Here is a Fine 18Kt Diamond Yellow Gold Pin.  Made from Solid 18Kt Yellow Gold and weighs 54.6 grams.  It holds 49 Natural Round Brilliant Diamonds that add to 1.50CT F Color VS1 Clarity.  The piece is a beauty!  Stands 2 inches tall and wide.  Hallmarked 750.  Very well made, Excellent Workmanship, Extremely Unique!