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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.
A pair crafted in platinum and set with two exquisite marquise-cut fancy yellow diamonds. These stones, graded VS/VVS, radiate from their sleek platinum setting, combining intensity of color with refined minimalism.
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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.
This website is encrypted. We take your security very seriously. All transactions powered by Shopify.
Rates are approximations. Exact rates will be provided at checkout.




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