This is an exquisite platinum diamond and emerald clover brooch by Aldao. It features an open frame overlapping four leaf clover design centrally set with four faceted pear shaped emeralds that weigh 4.00cts. Each exhibits a fine dark green body color with good clarity. The brooch is micro pave set with 196 round, baguette and pear shaped diamonds that weigh 6.00cts. They are set into a handmade platinum mounting that weighs 12.20dwt and measures 1 3/4". The brooch is signed on the back "Aldao". Aldao Jewelers is the finest jewelry house in Madrid, Spain. Their clientele includes celebrities and Royal families throughout the world. Aldao also crafted the famous "Floral Tiara" circa 1880's that was a wedding gift from the Spanish people to Princess Sophia of Greece and Denmark on the occasion of her wedding to Prince Juan Carlos of Spain.