This lovely vintage brooch is authentic and from Tiffany & Co. It is crafted from 18k yellow gold featuring a floral fruit tree with textured leaves and has 2 flowers with blossom with gold spike cover over the sappire and diamonds decorated flower buds. One of the buds opens and close, the spike cover opens in 4 parts. It is signed by the designer with the gold content.Hallmark: Tiffany & Co. 18k ItalyGemstone: sapphireDiamond: 10 points Measurement: 2.08" long x 1.45" wide x0.50" highWeight: 25 grams