Mia Klein Platinum Sapphire Diamond Ring

Updated September 18, 2026

Elegant Mia Klein platinum sapphire and diamond ring accompanied by an American International Gemological Laboratories (AIGL) appraisal report dated January 18, 2024. The ring is polished, stamped and tested platinum and is marked Mia Klein, Serial No. 26A7B. It features one natural Madagascar sapphire center stone surrounded by natural diamond accents. CENTER SAPPHIRE: - Natural Corundum - Natural Sapphire - Origin: Madagascar - Oval shape - Brilliant-cut crown with step-cut pavilion - Weight: approximately 1.01 carats - Measurements: approximately 6.84 x 5.11 x 3.38 mm - Color: Blue - Transparency: Transparent - Treatment: None The appraisal identifies the sapphire as GFCO GEM LAB certified, untreated, and weighing approximately 1.01 carats. NATURAL DIAMONDS: The ring contains 36 natural round brilliant-cut diamonds. - Total Diamond Weight: approximately 0.91 carat - Measurements: approximately 1.3 - 1.8 mm - Color Grade: G-H - Clarity Grade: VS1-SI1 TOTAL RING DETAILS: - Natural Sapphire Weight: approximately 1.01 carats - Total Diamond Weight: approximately 0.91 carat - Total Ring Weight: approximately 7.5 grams - Metal: Platinum - Condition listed on appraisal: New - Workmanship listed on appraisal: Excellent The accompanying AIGL appraisal lists an Estimated Retail Replacement Value of $17,182.00. The appraisal is included for bidder reference and has not been independently verified by the auction company. This appraisal was prepared by a California-based appraisal laboratory. Retail replacement values can vary by geographic market, and a local appraisal may reflect a higher or lower replacement value. Ring is currently approximately a size 6/7. The consignor offers ring sizing through Southern Heirs Auction for the winning bidder. If resizing is requested, the ring will be shipped out for sizing, and buyers should allow approximately 3 to 4 weeks for the work to be completed and the ring returned. High-value jewelry may require payment by wire transfer prior to shipment. If you have any doubt, please attend the preview and examine all photographs closely before bidding. RN035579

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