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Rose is a GIA-certified designer who spent years studying and producing professional one of one pieces while shadowing major jewelers, before creating Costolo Studio. Processing, repurposing finite materials, and the elements they are humbled to create with inspire them. Never plated, outsourced, tarnished, or discarded.
The Costolo Studio 38S Ring is a study in balance and precision. Centered by an emerald-cut white diamond, the design is flanked by oval fancy yellow diamonds that create a luminous contrast and sculptural rhythm. Set in gold, the band’s openwork construction allows light to move freely through each stone, enhancing their natural brilliance.
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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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Rates are approximations. Exact rates will be provided at checkout.




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