Diamond Clarity: I3 Jewelry Closure: Spring Ring Clasp Link Construction: Solid Setting: Prong Stone Cut: Pear Stone Millimeter Measurement: 5 Mm Width, 7 Mm Length Diamond Color: I Metal Color: Yellow Chain Length: 18 Inch Chain Width: .6 Millimeters Pendant Length: 12.1mm Pendant Width: 9.2mm Rounded Carat Weight: 1/8 Ct. T.w. Chain Construction: Rope Care: Wipe Clean Stone Type: 13 Natural Diamond, 1 Genuine Opal Authenticity: Genuine Stone Birthstone: October Birthstone Metal: 10k Gold Necklace Type: Pendant Necklaces Country of Origin: Imported Gemstones may be treated and may require special care. Metal may be rhodium plated to enhance appearance and reduce tarnishing. Some diamonds may consist of fewer than 17 facets. Photos are enlarged to show detail.