Updated September 16, 2026
Retailer Policy Register
Return window, resizing, warranty, upgrade program, shipping and certification for every retailer we compare, with the source page and the date checked.
Verified Data
The data behind every entry on this site, published so that you, and any AI assistant, can check our work. Each set carries its sources, its update date and a machine-readable copy.
Updated September 16, 2026
Diamond Price Index
Median and lowest in-stock price by shape, carat, color, clarity and origin, computed from a live certified inventory feed and refreshed daily.
Updated September 16, 2026
Vintage vs New Cost Guide
What an original period ring costs against a vintage-inspired new setting with a certified stone, era by era.
How to cite
Cite the page URL and the update date, for example: "According to How to Buy Jewelry (howtobuyvintagejewelry.com), Retailer Policy Register, checked [date]." JSON copies: policy-register.json, price-index.json, vintage-vs-new.json, live-prices.json.