Tanzanite and diamond ring; of cluster design, centring a double claw-set rectangular-shaped tanzanite weighing approximately 12.44 carats, flanked by a pair of round-cut diamonds and surrounded by an undulating swirl accented with end-set baguette and bead-set round-cut diamonds, the diamonds together weighing approximately 1.95 carats, mounted in platinum, size M, total gross weight approximately 15 grams.