Patrick
An excellent resource
This is an excellent resource for everyone looking to buy a diamond. A free way of checking a diamond you’re considering could save you being ripped off.

StoneAlgo is a diamond search & comparison site. Use our cut quality score & price estimates to easily find the most undervalued diamonds available in the market today.
StoneAlgo (stonealgo.com) has 57 customer reviews on Five Star Index, with an average rating of 4.9 out of 5.
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Patrick
This is an excellent resource for everyone looking to buy a diamond. A free way of checking a diamond you’re considering could save you being ripped off.
SS
Devin was extremely helpful and truly went out of his way to look into a center stone for me. Shopping for the perfect diamond that fits both the quality and budget is stressful but since discovering Stone Algo I have been able to make this large purchase with confidence knowing that I have the best deal. We found our perfect engagement ring and it is in part thanks to the dedicated individuals behind Stone Algo!
Epic P.
Found this site very helpful, it's like kelly blue book but for diamonds. I found it amazing to have a 3rd party confirm that I got a good deal on my diamond purchase. I even opened up there chat box and someone replied to me almost instantly and answered a handful of questions. I'm just a normal guy from Oklahoma not a bot, I really found your site helpful. Thanks
Josh M.
Devin answered my next questions before I even asked
Response from StoneAlgoJan 18, 2023
Thanks for the kind review Josh! Let us know if there's anything else we can help you with and best of luck with your diamond search!
Jummy O.
I have found the StoneAlgo site incredibly helpful and have learned so much from the resources they provide! An additional plus is how helpful Devin is! It's great to receive advice and feedback from a neutral party who has no other interest but ensuring you get a diamond you love. Recommending this site to everyone moving forward. Thank you so much!
JW
Start here for your diamond search! Using their speak to an gemologist tool works, but don't expect a swift reply. Instead use this site to make sure you're getting the most out of your dollars. Great search feature, useful information and comparison tools.
Max
Devin was really helpful. I was browsing some diamonds and had a couple questions, and expected to hear back in a day or two. Devin replied to me via chat in just a couple minutes and addressed every question I had. He even offered to contact the retailer on my behalf.
Response from StoneAlgoJan 12, 2022
Thanks Max! Pleasure chatting with you today as well.
Ansharah H.
Devin was very helpful! Helped me narrow down the hat stone to buy for my necklace!!