Ruby & Diamond 18ct gold flower brooch wti GIA certificate. Summary estimates: single cut diamonds 1= 0.03ct G-H colour, Si clarity, 15 = 0.30ct G-H colour, Si clarity. 35 = 0.35ct colour G-H, Si clarity. Round brilliant cut rubies 7 = 1.05ct, 2= 0.26ct, 4@ 0.48ct. Strong pinkish colour, eye clean,. Approx brooch total weight 20.7 grams