Affiliate Disclosure

Last updated: 2026-09-11

Karat Melt provides free real-time scrap gold, silver, and platinum valuation tools based on live market spot prices. To keep our calculator engines and hallmark databases freely available to the public without subscription fees, we may earn advertising commissions through qualifying purchases made via affiliate links on our site.

Amazon Associates Disclosure

Karat Melt is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.

As an Amazon Associate we earn from qualifying purchases.

Editorial Standards and Precious Metal Tool Selection

Our recommendations for precious metal testing equipment (including 0.01g digital gram scales, jeweler's loupes, acid testing kits, and melting crucibles) are evaluated based on measurement precision, calibration reliability, and user utility for identifying authentic bullion and scrap jewelry. We never receive compensation or perks to rank specific brands favorably.

No Extra Cost to You

Using our affiliate links costs you nothing extra. You receive standard retail pricing, promotions, and customer protections on Amazon while helping support our real-time spot price servers and free scrap calculators.