This exquisite Victorian era brooch is a stunning piece of antique jewelry that will add a touch of elegance to any outfit. With 17 round diamonds set in 18k yellow gold, this brooch is a true masterpiece. The blue enamel flower design adds a pop of color that makes it perfect for that something blue or any special occasion. Enamel in very good condition for age, its luster is so good it made it very hard to photograph! Metal tests 18k gold, some patina on the back. Center old mine cut diamond is weighs approximately 0.35 carat, 16 smaller old mine cut diamonds weigh approximately 0.50 carat total. Diamonds graded H-J color, I clarity in mounting. Measures 1 1/2 x 1 1/8 in. Weighs 11.8g. Wear commensurate with age. Safety clasp on brooch works and is secure to wear. Metal purity and diamonds have been professionally tested. I am happy to answer any questions one may have.