GENEVA, Switzerland (AFP) — The largest flawless heart-shaped diamond has sold for nearly $15 million in Geneva Wednesday, breaking a world record in its category, auction house Christie’s said. The 92-carat diamond forms the center-piece of a necklace of cultured pearls. The sale price of around $14.99 million (around 13.45 million euros) is a world record for heart-shaped diamonds, Christie’s spokesperson Alexandra Kindermann told AFP. The piece was designed by Boehmer et Bassenge who have taken […]