Bidspirit auction | Platinum 2.11ct Diamond 1972 Sapporo

Platinum 2.11ct Diamond 1972 Sapporo Olympic-Coin & Diamond Pendant Necklace - Metal : Solid platinum; coin Pt1000, bezel & bail Pt900, 18-inch box chain Pt850 Total Weight : 66.8 g (combined coin, bezel, bail, and chain) Coin : 1972 Sapporo XI Winter Olympics commemorative issue, 38 × 38 mm round, uncirculated finish Accent Stones : Round brilliant-cut diamonds, F–G color, VS clarity Diamond Weight : 2.11 ctw (approximately 72 stones in pavé halo and bail) Pendant Dimensions : 50 mm tall with bail, 38 mm diameter without bail Setting & Design Type : Full coin bezel with pavé diamond halo; articulated pavé-set bail; fixed bail loop through a fine platinum box chain Chain : 18 in / 1.0 mm platinum box, spring-ring clasp Condition : Excellent; minimal surface abrasions on coin reverse consistent with storage, diamonds secure, clasp functions properly This substantial necklace centers on a legal-tender 1972 Sapporo XI Winter Olympics platinum commemorative coin mounted in a custom Pt900 bezel. A uniform pavé halo of well-matched F–G/VS round brilliants frames the 38 mm coin, adding 2.11 total carats of accent weight and underscoring the medallion’s frosted devices. The pavé continues over the articulated bail, which is stamped Pt900, while the coin rim bears its original Pt1000 hallmark. The assembly hangs from an 18-inch Pt850 box chain, giving the piece a combined mass of 66.8 grams. Overall, the necklace presents as a highly collectible numismatic jewelry hybrid with excellent craftsmanship and minimal evidence of wear, suitable for both investment and occasional formal display.