Lady's Platinum Sapphire & Diamond Necklace. Contains: 1 Pear Shape Natural Sapphire. Weight Approx: 4.00ct, Color: Blue, Clarity: VS1/VS2. 2 Baguette Cut Natural Diamonds. 13 Round Brilliant Cut Natural Diamonds. Weight Approx: 2.60cttw, Color: G-H, Clarity: VS1/VS2. Necklace Length: 18 Inches. A spectacular diamond and sapphire neckpiece. The Sri Lankan sapphire is just the perfect color of blue that it should be, further accented by a frame of perfectly matched, wonderfully cut, blindingly white diamonds. Oftentimes, I see pieces like this going through Sotheby's and Christie's galleries at $30,000+.