# Mark Peter's Diamond Designs > Family owned diamond dealer offers a huge selection of high quality custom jewelry at fair prices. The atmosphere supports fast turnaround times, with rings often ready the next day. Customers find value in both the product range and personalized service. Source: https://www.atly.com/location/Mark-Peter's-Diamond-Designs - Address: 12820 Illinois Rte 59, Plainfield, Illinois, United States - Phone: +18154362100 - Website: http://mymarkpeters.com/ ## What it is good for - Necklace Store — 10/10 - Jewelry Store — 10/10 - Ring Store — 9.6/10 - Watch Store — 6.7/10 ## What people say - "The staff at this jewelry store are so friendly and helpful." - "The Ring Store paid close attention to detail resizing my ring." - "I got my watch battery replaced and they sealed it properly." ## Good to know - The store offers a wide selection of jewelry for all budgets. - Turnaround time for ring sizing is typically very fast. - They provide credit for gold in your old jewelry. - Most jewelry is ready for pickup the next day. - Customer service is highly rated and attentive. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.