Over the last 90 days, the tracked price per unit for SuperJeweler Eternity Ring Size 4.5 1 Carat Round Diamond In Platinum Diamond Color I-J, and Clarity I1 ranged from $897.97 to $897.97 (average $897.97), across 1 captured data point since 2026-09-12. Dealophant records the real cost per unit — not the sticker price — so you can tell whether a "deal" is actually cheap per ounce, sheet, load, or count.
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