10k Yellow Gold Round Bezel-set Birthstone Ring (Size 6 - December - Topaz). Add simple style to any outfit with the 10k Yellow Gold Round Bezel-set Birthstone Ring. This ring features a beautiful yellow gold band with a sing round-cut, bezel-set birthstone of your choice. Features: 1 gemstone Round-cut Gemstone measures 3.5 mm wide x 3.5 mm long Gemstone weight 1/8 to 1/5 carat Bezel setting Birthstones: January / Garnet / Red February / Amethyst / Purple March / Aquamarine / Blue April / White Topaz / White May / Emerald / Green June / Smoky Quartz / Brown July / Ruby / Red August / Peridot / Green September / Sapphire / Blue October / Pink Tourmaline / Pink November / Citrine / Yellow December / Blue Topaz / Blue Metal information and dimensions: 10-karat yellow gold High-polish finish Metal weight 2.72 grams Ring setting measures 4.55 mm wide x 4.55 mm long x 4 mm high Band measures 1.55 mm wide This ring cannot be resized. All carat weights and measurements are approximate and may vary slightly from the listed dimensions. Treatment code E (garnet, amethyst, aquamarine, white topaz, emerald, smoky quartz, ruby, peridot, blue sapphire, pink tourmaline, citrine, blue topaz). See Treatment Guide for further information. All measurements are approximate and may vary slightly from the listed dimensions. T.W. (total weight) is approximate. The weight may vary up to two-tenths of a carat.