Brooch with beautiful Tahitian pearl and diamonds totaling ca. 0.7 ct,

Brooch with beautiful Tahitian cultured pearl, 14 mm, silver grey, slightly baroque with very good lustre and brilliant-cut diamonds totalling ca. 0.7 ct, good colour and clarity, 18k yellow gold and platinum, 23.8 g, 5x3 cm, 20th/21st century, very good condition, unknown maker's mark, veery nice craftsmanship.