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Diamond Collection & Co. is proud to offer one-of-kind antique and estate jewelry. Antique pieces are restored to original mint condition without compromising the jewelry itself. Our expert jewelers inspects each and every estate piece in details before preparing the item for shipment, ensuring all gems are secure, pieces are polished and renewed to mint condition.

If for any reason you are not completely satisfied with your item, it is eligible for our 30 day return or exchange policy as long your item is in its original, unworn condition including intact and not tempered with original price tag, with the following exceptions: items that have been custom engraved or items that have been previously exchanged. Please note that items that have been exchanged are eligible for a second exchange, but are not eligible for a complimentary return or resize. Items are not eligible for more than two exchanges.

Diamond Collection & Co. offers one complimentary resizing for our vintage rings, within the sizing tolerance listed online for each ring. If you resize your ring at the time of your purchase, any subsequent resizes might be subject to additional fees. Depending on their structure, not all rings may be resizable to your prefered size. Please contact us for more information on your selection.

All pieces are sold as is. Our manufacturing warranty excludes coverage for antique and estate jewelry as these are not manufactured by Diamond Collection & Co. However, please contact us if you have any repair issues, and we can provide assistance.

We accompany all mounted gems with certification from an independent gemological laboratory. However, in the absence of these certifications, information regarding the specifications of all mounted gems is estimated by our staff and should be considered to be approximate. Identity, size, grades, and treatment status of set gems in antique and estate jewelry are not guaranteed by Diamond Collection & Co.

All statements regarding the age,, authenticity,quality, composition, and style of a given piece of jewelry are based on our expertise and any accompanying documentation available to the independent GIA alumni jewelry appraisal service that we use.