7.25 TCW Oval-Cut Midnight Blue Sapphire 18k Yellow Gold over Sterling Silver Pendant and Chain 18" FREE SHIPPING on orders of $30.00 or more - Top Rated Seller - Trusted Since 1952 - 90 Day Guarantee - Easy Returns - Free PalmBeach Jewelry Gift Box 18k Yellow Gold Over Sterling Silver - Quality Stamp (.925) - 7.25 carat 14x10mm Oval shaped center stone Sapphire is a precious gemstone available in an array of colors, most popular in a hue of deep blue. Pendant Style: Drop A stunning 7.25-carat midnight blue sapphire is destined to become the impressive focal point of any neckline. Surrounded with sparkling diamond accents. 18" chain. 18k gold over sterling silver.