14Kt Yellow Gold, Genuine Rubies and Genuine Diamonds. Handmade one of a kind brooch measures ~1.25 inches wide and 3/4 inch high (19mm). Natural source diamonds measure 1mm each. and 5 natural source rubies measure 2mm each, ranging in color from deep red to bright red.  Entire brooch weighs 4.4grams. Stones are set in 14kt white gold.