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CaratRank
The lowest price on any diamond
We search 20+ diamond retailers to show you the cheapest listings for any specific diamond. Many times, retailers mark diamonds up by 10x vs. wholesale prices, and we're the only site that can show you where to find the best deals. We match stones by IGI, GIA, or GCAL certificate and allow you to search by style or by certificate number (which isn't a feature any retailer offers). Furthermore, we're unbiased: we don't take any referral fees from anyone.
Top comment
Hey I'm Jai and I'm one of the co-founders of CaratRank. Alex and I built this because we were engagement ring shopping for our girlfriends and we almost got fleeced multiple times. We realized that many retailers charge 10x wholesale prices for loose diamonds and diamond jewelry, and there is no real way to compare prices of a specific diamond across retailers. It's so bad that consumers just end up spending the premium! Many of these retailers obfuscate the diamonds they're selling, and they purposefully don't offer a way to search by the certificate/serial number each diamond is imprinted with to make it difficult to compare across websites. The few websites that exist to compare diamond prices actually take referral fees and are not unbiased, so they typically only show 1-2 retailers that they have financial arrangements with. We are the only way to search across 20+ retailers. Try us out, and see the price differential for yourself. We're free for searches, and if you want a few more features like diamond tracking, notifications for price drops, and advanced feature searches, you can use our paid option. Never overpay again!
About CaratRank on Product Hunt
“The lowest price on any diamond”
CaratRank was submitted on Product Hunt and earned 6 upvotes and 3 comments, placing #97 on the daily leaderboard. We search 20+ diamond retailers to show you the cheapest listings for any specific diamond. Many times, retailers mark diamonds up by 10x vs. wholesale prices, and we're the only site that can show you where to find the best deals. We match stones by IGI, GIA, or GCAL certificate and allow you to search by style or by certificate number (which isn't a feature any retailer offers). Furthermore, we're unbiased: we don't take any referral fees from anyone.
On the analytics side, CaratRank competes within Jewelry, E-Commerce and OpenAI Day — topics that collectively have 45.7k followers on Product Hunt. The dashboard above tracks how CaratRank performed against the three products that launched closest to it on the same day.
Who hunted CaratRank?
CaratRank was hunted by Jai Kannan. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of CaratRank including community comment highlights and product details, visit the product overview.

