Reference
Guides
Identify it, check it’s real, understand what it’s worth. One guide per subject, every article in reading order.
Diamonds The Diamond Guide: Grading, Value and How to Tell If It’s Real From the 4 Cs to the Hope Diamond — every Fastemy diamond guide, in the order it’s worth reading. Rings & Jewelry The Ring Guide: Sizes, Metals, Settings, Hallmarks and Value Everything about the ring itself: size, metal, setting, stamps, age, and what it is worth. Art & Paintings The Art Guide: Identify, Authenticate, Value and Care for Paintings Every Fastemy art guide in one place, from “what is this painting?” to “what is it worth?” Watches The Watch Guide: Movements, Accuracy, Water Resistance and Spotting Fakes How a watch works, what its markings promise, and whether it’s real. Designer Bags The Designer Bag Guide: Authentication, Date Codes, Condition and Care Is it real, what condition is it in, and how do you keep it that way? Coins The Coin Guide: Identify, Grade and Value Old Coins What a coin is, what condition it’s in, and whether it’s worth more than face value.
Free tools
Engagement Ring Designer Design a ring in 3D — stone, carat, metal, setting, accents — with an indicative price that moves with every choice. Ring Stamp Decoder Type what’s stamped inside the band — 585, 14K, 925, PT950, HGE — and see the metal, the purity and whether it’s solid or only plated. UK Hallmark Decoder Type the number in a British hallmark — 375, 750, 925, 950 — for the metal and carat, then match the assay office mark, the symbol and the date letter. Gold Ring Value Calculator Weight, karat and today’s metal price in; pure gold content, melt value and a realistic cash offer out. Diamond Size Chart Carat weight to millimetres for ten diamond shapes, with a true-to-scale preview and a full printable table. Louis Vuitton Date Code Decoder Turn an LV date code into a factory country and production period — and check whether the format fits the bag. Rolex Serial Number Lookup Enter the serial from between the lugs or the inner bezel and see roughly when the case was made — with both readings where a 1950s serial fits two periods. Collector’s Glossary Plain-English definitions of the terms used for diamonds, rings, art, watches, designer bags and coins.