Sandy Leong's HARMONIC Collection is designed in partnership with world-renowned diamond manufacturer, Rio Tinto. Selected for a second sequential year, Sandy has been nominated to create a collection that promotes elevated, sustainable design using ethically sourced diamonds through Rio Tinto's acclaimed Diamonds with a Story initiative. All pieces from this collection use recycled gold and conflict-free diamonds. The face of these rings measure at 0.75" (L) x 0.1" (W).