MCP server

Carat Hunter Official

com.carathunter/diamond-prices

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Latest prices for one certified diamond across 100+ retailers: search, cert lookup, market prices.

Working at last checkVerified publisher: carathunter.comAbout 915 tokens per request once connected5 tools

https://carathunter.com/mcp

At a glance

Type: MCP server
Publisher: carathunter.com (verified by the MCP Registry)
Status: Working at last check
Tools: 5
Token cost: About 915 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http diamond-prices https://carathunter.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.diamond-prices]
url = "https://carathunter.com/mcp"

Gemini CLI

{"mcpServers":{"diamond-prices":{"httpUrl":"https://carathunter.com/mcp"}}}

Cursor

{"mcpServers":{"diamond-prices":{"url":"https://carathunter.com/mcp"}}}

VS Code

{"servers":{"diamond-prices":{"type":"http","url":"https://carathunter.com/mcp"}}}

Antigravity

agy mcp add diamond-prices https://carathunter.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"diamond-prices","server_url":"https://carathunter.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"diamond-prices","server_url":"https://carathunter.com/mcp"}

get_diamond ~96 tokens
Details and the latest confirmed price range for one diamond, with the date we last saw it, by its Carat Hunter id (from search_diamonds or a carathunter.com URL).
lookup_certificate ~134 tokens
Find a diamond by its grading report number (GIA, IGI, HRD, GCAL...). Tells you whether retailers list that exact stone, how many, and the price range between them as of the date we last saw it. Useful to check whether a quoted price is fair.
market_overview ~64 tokens
How many diamonds and retailers Carat Hunter currently tracks, from its latest weekly market report.
price_check ~243 tokens
Typical listed prices for a spec (carat size, colour, clarity, shape, origin) across all retailers Carat Hunter tracks, with the day they were measured: median, middle-half range, and how much the same stone varies between retailers. Carat sizes: 0.3, 0.5, 0.75, 1, 1.5, 2, 3, 5.
search_diamonds ~378 tokens
Search certified diamonds listed by retailers worldwide, with the latest cross-retailer prices we have seen. Returns up to 10 stones with specs, the lowest and highest confirmed price for that exact stone with the date we last saw them, how many retailers list it and a Carat Hunter grade. Prices in

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