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You can contact us via our online form, e-mail, or phone at your convenience.

At Your Service

Contact Diamond Syndicate today to begin your diamond journey! Each client means the world to us and we are eager to show off our the expertise and professionalism that has allowed us the privilege of becoming one of Hawaii’s leading diamond providers over the last 30 years.

Feel free to fill out our form, send us an email or phone us directly. We look forward to being a part of your lifetime relationship with diamonds!

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HOUSE OF DIAMONDS Terms & Conditions

Industry Leading Lifetime Upgrade*

We offer a lifetime upgrade for a diamond you buy from us. If you decide to upgrade, we’ll give you 100% of your original purchase value towards the purchase of a new diamond!

*Must be an upgrade of at least 50% greater value of original purchase. The diamond must be in-house. The trade-in value is applied to the diamond alone. The diamond must be in same condition as sold. For rare and special requested diamonds, House of Diamonds will review and consider the eligibility of the upgrade in a case-by-case basis.

Added Value Guarantee

Every diamond purchase at House of Diamonds includes: ring sizing, appraisal for insurance purposes, maintenance inspections and ring cleaning. Our promise to you does not end when you walk out the door with your purchase! House of Diamonds delivers the highest levels of quality, value and personal service. Your total satisfaction is guaranteed!

Financing Options Combined With Our Wholesale Prices!

House of Diamonds offers financing options with your purchase. Please take advantage of our lowest prices guarantee, and our financing options to acquire the diamond of your dreams!

Return Policy

30 Day Exchange*

Our policy at House of Diamonds is to give each customer a full 30 day exchange on the purchase of a diamond. The same offer cannot be made to you by a dealer who does not own the diamond they are selling. We want you to be thrilled with your purchase, not stuck with it.

*Applies to diamond only. Diamond must be in same condition as when sold. Special diamond orders are not eligible.