18K DIAMOND & PEARL NECKLACE: '80s modern Tahitian black pearl and diamond drop pendant on 18K yellow on Singapore 22'' chain with Italian marks. 12mm cultured pearl is set in yellow gold pendant and accented with 7 fine diamonds approx .35 CTW. Weight 21.00 grams. Sold with current Florida Diamond Appraisers GIA graduates appraisal for $4250.