Platinum (900) bypass / toi-et-moi ring, 5.3g. Center: 3.16ct octagonal step-cut NATURAL blue sapphire, 8.82 x 8.35 x 4.30mm, GIA Report #2233598188 — heated, origin not determined. Accent: 1.00ct princess-cut natural diamond, H color, SI1 clarity, excellent symmetry & polish. Size 7 (platinum resizes easily). Includes GemAssure insurance appraisal (May 2026) at $24,590 retail replacement value — note this is insurance replacement value, not asking price. Pre-owned, excellent condition, stones bright and secure. Ships fully insured with signature confirmation. Asking $5,950 OBO — negotiable; offers below $5,500 will be declined.