Sell Your Jewelry in St. Louis, MO

For diamonds and luxury watches over $1,000, online specialists like Worthy, WP Diamonds, and CIRCA tend to deliver the highest offers because they auction to a network of certified buyers globally. For gold by weight and pieces under $500, a licensed local pawn shop or gold buyer in St. Louis delivers faster cash with comparable per-gram pricing. For estate or antique jewelry, auction houses (Sotheby's, Christie's, Heritage) consistently outperform retail buyers.

Most are. In Missouri, pawn shops must hold a state license, verify your photo ID, weigh items on calibrated scales, and provide written receipts. Look for the state license posted at the counter. The trade-off versus other channels: pawn shops pay 40–60% of retail because their resale model requires fast turnover. They are best for instant cash on low-to-mid value pieces.

Three common methods: (1) Electronic gold tester — reads conductivity, accurate for 10K–24K. (2) Acid test — small scratch on a stone, drops of acid show karat. (3) X-ray fluorescence (XRF) — the most accurate, used by serious buyers. You can request to see the test performed in front of you; if the buyer refuses, that is a red flag in Missouri.

Retail jewelry markups range from 100% to 300% over wholesale. This is why a $5,000 retail engagement ring sells for $1,500–$3,000 when resold — the buyer is paying wholesale-adjacent pricing, not retail. For branded pieces (Tiffany, Cartier, Van Cleef), markups can be 4x or higher, which is why these pieces hold value better on resale.

Some are. The reputable ones (Cash for Gold USA, Express Gold Cash, GoldFellow) operate under state licenses with publicly disclosed prices and free insured shipping. The scams use unsolicited TV ads, hide their location, and pay 30–50% below market. Always verify a precious-metal-dealer license number on the state regulator’s website before mailing.

For most personal jewelry sales, no — only sales above specific bullion thresholds (25+ oz of gold, 1000+ oz of silver) trigger automatic 1099-B reporting from the dealer. However, you are required to self-report capital gains on your federal tax return if you sold for more than your cost basis. Inherited jewelry uses fair market value at the date of inheritance as the cost basis.

Worthy auctions to ~1,500 certified diamond buyers nationally. A local St. Louis jeweler resells to walk-in retail customers — a much smaller buyer pool. More competing buyers = higher final price. Worthy charges a 18% seller’s commission, but the larger buyer pool typically yields a higher net price than a local single-buyer offer.

Yes. Most reputable online buyers (Worthy, WP Diamonds, CIRCA) provide free, no-obligation offers. You can decline and have your piece returned free of charge (return shipping insured). Use this to benchmark your local St. Louis offers. Reputable local jewelers in St. Louis also provide free in-person verbal offers.