Pascale Monvoisin's 'Gaia N°1' necklace features a 14.60-carat rutile quartz strung on a 14-karat gold guilloche chain - the unique stone is carefully faceted so the soft shades of caramel and tan glow beautifully. It's intricately inlaid with 9-karat gold and set with four shimmering diamonds. Wear yours with the [matching ring id1184763].