14k white gold 0.30CT total diamond weight heart necklace, shared prong setting style, 22 rounds, open heart with a single row of diamonds, 17 inches total 1.3mm diamond cut cable chain with a lobster clasp. All round brilliant cut diamonds, G-H color, VS2-SI1 clarity. Heart is about 15.5mm wide, 10mm tall, and 1.7mm thick.