14K Gold Topaz & Diamond Heart Pendant Necklace

14k white gold pendant necklace with heart shaped pendant. Gemstones possibly pink topaz and diamond, tested for hardness using Presidum gem tester. Marked 14k and hall marked P M with star on pendant. Marked illegibly on necklace clasp. Drop length approx. 8.75 inches. Pendant measures approx. 1.75 x 1.25 inches. Total weight 7.8 grams. Includes jewelry box. Some scratching observed. Estate jewelry, fine jewelry, cocktail jewelry, fashion jewelry, accessories, fashion accessories, wearables, gifts, designer jewelry, 14k gold, 14k gold necklace, 14k white gold, gold necklace, pendant necklace, topaz necklace, diamond necklace, heart necklace, 10 j