Features: Adjustable Chain Diamond Clarity: I2 Jewelry Closure: Spring Ring Clasp Setting: Prong Shape: Oval Stone Cut: Oval Stone Millimeter Measurement: 7 Mm Length, 5 Mm Width Diamond Color: I Metal Color: Yellow Chain Length: 18 Inch Extender Length: 2 Inch Pendant Length: 15mm Pendant Width: 15mm Rounded Carat Weight: 1/4 Ct. T.w. Chain Construction: Box Care: Wipe Clean Stone Type: 12 Lab Grown Diamond, 1 Lab Created Emerald Authenticity: Lab Created Stone Birthstone: May Birthstone Metal: 10k Gold Necklace Type: Pendant Necklaces Pendant & Charms Type: Pendants Country of Origin: Imported Lab grown diamonds are created in laboratory environments. 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.