A diamond single stone ring, the emerald-cut diamond in four claw setting, between baguette-cut

A diamond single stone ring, the emerald-cut diamond in four claw setting, between baguette-cut diamond set shoulders, white precious metal mounted, indistinctly stamped 'PLATINUM', principal diamond weight approximately 3.10ct, remaining total diamond weight approximately 0.15ct, ring size MAccompanied by a Diamond Mini Report issued by AnchorCert, stating that the principal diamond has L colour and VS clarity, report no. 20061680, provided April 2023 The principal diamond is bright and lively but drawing a yellowish tint, with estimated L colour and VS1 to VS2 clarity, assessed mounted. Principal diamond dimensions approx. 9.8mm length x 7.2mm x 4.9mm depth. Shoulder set diamonds are well matched, bright and lively, estimated VS2 to SI1 clarity and H to J colour, assessed mounted. The ring mount has general surface wear, scuffs and nicks/chips, with some rubbing to the sides of the setting gallery and to the sides of the shank, and is likely to be mid 20th century in date. Overall width of setting approximately 1.4cm. Height of setting from base to tip of principal stone approximately 6.5mm. Metal standard is untested. Gross weight approximately 4.4gm.