Report number: 10J1665426 This jewelry item is a solitaire engagement ring featuring a striking contrast between a dark gemstone and a polished white metal setting. ​Based on the provided image and the International Gemological Institute (IGI) report (Report No: 10J1665426), here is the detailed description: ​Main Center Stone ​Species: Natural Diamond ​Shape and Cut: Round Brilliant ​Carat Weight: 1.94 Carat ​Color: Black ​Measurements: 7.70 - 7.68 x 5.40 mm ​Comments: The stone is noted as "Treated," which is standard for achieving the uniform, opaque black saturation seen in natural black diamonds. ​The Mounting & Setting ​Metal: 14K White Gold (stamped "14K") ​Style: Classic Solitaire ​Setting Type: Four-prong basket setting, which secures the diamond while allowing it to sit prominently above the band. ​Band: A slim, high-polish rounded shank that tapers slightly as it nears the center stone to emphasize the diamond's size. ​Total Jewelry Weight: 2.39 grams ​Technical Note: The IGI report specifies that the grading and analysis were performed "as mounting permits," meaning the measurements and weights are approximate based on the stone being set in the gold at the time of examination.