House Of Diamonds By Diamond Syndicate
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Diamond Syndicate was established in 1985 by the Izakov family, a multi-generational family rooted in diamonds all over the world. As Hawaii's exclusive diamond wholesale source, Diamond Syndicate supplied many of Hawaii's local jewelry stores with their stock of diamonds until opening their doors to the public in 2014 as House of Diamonds Hawaii.

At House of Diamonds Hawaii, we believe everyone should have wholesale access to their dream diamonds. Shop first, then visit us and let us make you a believer!
Services
Keep your diamonds fiery! Bring in your HOD diamond jewelry for a complimentary cleaning and prong inspection (recommended annually). Whether for insurance or resale purposes, we offer appraisals on both diamond, gold and gemstone jewelry. Diamond Price Match Guarantee is a free service and only takes a few minutes to get started.
Do not settle for an engagement ring that does not encompass all of the characteristics you want in a piece of jewelry. Instead, bring your unique vision to life with a custom engagement ring. At the House of Diamonds, our diamond specialists are ready to walk you through the process of designing a custom engagement ring.
Our Four C's of Diamonds guide can help you decide on the most important factors when shopping for a diamond. The word carat derives from the word carob, a Mediterranean seed, which has an extremely consistent weight for measuring. The greater the carat weight, the rarer, and more valuable the diamond becomes.
Some people want to buy the biggest diamond possible. Is this always the right choice? The larger the diamond, chances are the more inclusions it likely has, and because it's larger, these inclusions are typically even more visible than on a smaller diamond. But most importantly, if the diamond cut isn't proportioned correctly, it won't return the maximum amount of light through the top of the diamond.
Diamonds purchased through House of Diamonds are accompanied by their original certificate, also referred to as a Diamond Grading Report, Diamond Dossier, or Diamond Quality Report. We also provide free appraisals for all engagement rings, Design Your Own rings, and all gemstone jewelry valued over $1000.
Reviews (10)
Kristie Flynn
Kristie Flynn
Dec 29, 2020
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Do NOT buy here unless you want to get completely ripped off!! Daniel is nothing less than a SCAM artist. My husband was referred to him by a mutual acquaintance because he was looking for a surprise 10-year anniversary ring for me. Daniel completely took advantage of him and sold him a 5 Ct diamond that was clarity enhanced and didn't disclose this honestly. (It would be the equivalent of a selling a car with a salvaged title and not telling someone.) My husband had no idea what he was doing and unfortunately trusted him because he was referred by a friend who didn't know Daniel professionally
Kelsey Thorpe
Kelsey Thorpe
Sep 14, 2020
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Highly recommend House of Diamonds! From the beginning Daniel and the staff have been nothing but friendly and helpful. My boyfriend and I have made two appointments to look at diamonds and design an engagement ring. Daniel is very open, honest, and helpful. He is very good about educating you on all aspects of diamond shopping and provides honest opinions without being pushy. He understands that everyone’s taste is different and does his best to find the perfect fit for you.
After our first appointment we shopped around at different ring stores but nothing compared in quality, price, and customer
Rob Munar
Rob Munar
Sep 06, 2020
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Me and my wife had such an awesome experience with Daniel and all of his associates! My wife loves her diamond and they really explain everything throughly and clearly which made it easier to make a decision on my ring. I've also been looking to upgrade now and will happily bring my business back to them!!
Anastasia Walia
Anastasia Walia
Jun 28, 2020
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I had a very specific design request. Daniel was able to find me high quality tanzanite in New York and make me a custom ring at a reasonable price (took about 3 weeks).
The quality of craftsmanship is very high which is extremely important with tanzanite. The stone is soft, so any movement can cause inclusions. I’m happy.
Mitchell Medlin
Mitchell Medlin
Dec 03, 2019
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I researched diamonds online and Daniel and crew were able to locate where the diamond was and offer a discount from any of the online websites. I researched sites such as ritani, James Allen, b2c, etc. Daniel was able to locate the diamond via GIA number, bring to Hawaii, and mount locally. He offered a discount no online diamond store could offer. Plus I was able to match the laser GIA inscription with it's paperwork for security. Do your research on the anatomy of a diamond, know what you want, and House of diamonds can help you with the rest. They also have a great inventory. They are both
Karen Yamashiro
Karen Yamashiro
Nov 21, 2019
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We are guaranteed customers for life with House of Diamonds by Diamond Syndicate! Everything was exceptional and professional. The outstanding customer service, great prices, and awesome diamonds and settings selections on hand can not be beat. Doron and Daniel will guaranteed take good care of you and your jewelry. This is the place to be with no second thoughts. I fully put my trust in them.
Brian Herrmann
Brian Herrmann
Oct 25, 2019
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Hi, my name is Dolly Herrmann and I just got my diamond band in the mail and it is absolutely gorgeous! It matches beautifully with my diamond solitaire ring! The ring was a special order as I had requested 14k yellow gold and well worth the wait. My husband Brian was impressed with Doron’s knowledge and expertise on the 4 C’s of diamonds. Staff esp Jacqueline kept me updated on ring arrival.
I highly recommend House of Diamonds for quality and service.
Sharon L.
Sharon L.
Sep 14, 2019
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We came in by chance looking for a replacement diamond to one I had that was lost by the USPS when it needed repairs. I was never good with the mode of travel the diamond was to take. Sure enough, it was lost (HA!) having never left Baltimore. It was insured, but it was a beautiful, unique piece I bought at Milano Jewelers in St. Maarten. Each time we took a cruise, I kept trying to replace it with not a lot of luck. Last cruise, we just sort of gave up.
Hubby and I came to Hawaii for a retreat/vacation. While showing him a piece at Tiffany's that was not even where I was thinking with a price
Joanne Fiorenze
Joanne Fiorenze
Jan 28, 2019
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My husband (fiancé at the time) and I were referred to House of Diamonds by a friend who was super happy with her gorgeous engagement ring they bought here. We looked at a few other ring shops in Honolulu and knew we’d found the right place when we walked in. Daniel and Doron were so friendly and sweet and made us feel comfortable and welcome immediately. They helped us find exactly what we were looking for within our budget and the design I had in mind. They are honest, upfront, knowledgeable about diamonds, and genuinely cared about what we wanted and weren’t just trying to sell us something
Peter Channel
Peter Channel
Oct 26, 2018
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Best place to buy rings !
Daniel was so professional and nice !
Came back to give some maintenance to the ring I bought before and Daniel took great care of it, despite me and my wife didn’t have much time in Hawaii, Daniel was able to get the ring fixed within time which helped us a lot !
Really appreciate all the help !
Thank you so much !