274 - Asymmetrical "Toi et Moi" ring in 18K white gold (750 parts per thousand) and platinum (850 parts per thousand), set on top with two diamonds—one in a modern cut and one in an Old European cut—in a prong setting,

Asymmetrical "Toi et Moi" ring in 18K white gold (750 parts per thousand) and platinum (850 parts per thousand), set on top with two diamonds—one in a modern cut and one in an Old European cut—in a prong setting, accented by curved lines set with 10 modern-cut diamonds in a grain setting, flanked by 10 navette-cut diamonds in a festoon setting, with a fluted and openwork band. Modern-cut center stone: 0.90 carats - H - P1 white (under the prongs) - no fluorescence Old European Cut (OEC) center stone: 0.70 carats - K / L - Si2 - slight fluorescence Estimated total diamond weight: approximately 2.20 carats French craftsmanship from the 1960s Ring size: 49 - Gross weight: 10.2 g