585, 750, or No Clear Stamp? Plainville Jewelry Starts with a Test.

Translate the Mark into an Understandable Offer

585, 750, and karat markings

A 585 mark indicates 58.5 percent gold, commonly associated with 14-karat jewelry; 750 indicates 75 percent, or 18-karat. These are intended fineness markings, not a replacement for checking the object. A clasp may have been changed, a piece repaired, or a mark misread. We test the material and explain which purity category applies to the proposed purchase. Color alone is not a reliable guide: alloys can change how gold looks without telling you the exact amount it contains.

Rings, chains, and mismatched pieces

Wedding bands, class rings, chains, and single earrings can be considered together while still being weighed in appropriate groups. A ring’s stone or insert contributes to its gross weight without necessarily contributing payable gold. Keep any matching parts with the item, and ask which components have been included in the calculation. Intact workmanship, condition, and demand may matter beyond metal content, but neither an attractive design nor a high original retail price guarantees an equivalent resale premium.

Dental alloys, damage, and layered metal

Dental gold is not one fixed purity. We examine the actual material and account for attached parts rather than guess from its appearance. Broken jewelry can also contain precious metal without being worth repairing for a sale. Gold-filled and plated objects require a different explanation from solid gold, since their layers cannot be valued as though the entire object had the same fineness. A worn stamp does not make testing unnecessary, and the absence of a stamp does not settle the question either.

Watches and bullion in the same household

A gold watch may combine a precious-metal case with a steel movement, crystal, and non-gold fittings. Those components must be distinguished; the total weight of the assembled watch is not automatically its gold weight. Maker, model, and condition can also influence an intact watch’s marketability. Gold coins and bars need their own checks of authenticity, fineness, and weight. We consider relevant collector demand for coins separately from the metal calculation and explain the categories rather than apply a jewelry rate indiscriminately.

Platinum and silver

Platinum pieces are assessed using their own purity and market basis. Sterling flatware and serving objects need checks of marks, construction, and condition, with weighted bases or handles distinguished from solid silver. Metal content is the main consideration for many pieces, although a desirable maker or pattern can sometimes support more. Bring complete sets together when practical so that possibility can be considered. The purpose is to explain the actual item, not promise that every old household object commands a collector premium.

A written offer brings together the tested categories, relevant weights, and the market basis used, with any additional value explained. If you accept, Haven pays by check the same day and provides a transaction record.