Diamond Authority

Diamond Authority No salespeople, no pressure, just decades of expertise working directly for you. We look forward to seeing you soon! -Jeremy and Dave

We are by appointment only – book at TheDiamondAuthority.com, or call or text us at 971-458-4001.

Hey Guys … get her a ring! We make rings exclusively yours!
09/04/2026

Hey Guys … get her a ring! We make rings exclusively yours!

Integrity- Trust- History of experience. Dave’s great grandfather downtown in 1886. We know the jewelry business! https:...
09/02/2026

Integrity- Trust- History of experience.
Dave’s great grandfather downtown in 1886. We know the jewelry business!

https://thediamondauthority.com

We love diamonds!
08/31/2026

We love diamonds!

No employees! WHAT ???? You only meet with the owners, Jeremy or Dave. Call to make your appointment for repair services...
08/25/2026

No employees! WHAT ???? You only meet with the owners, Jeremy or Dave. Call to make your appointment for repair services, custom design and more. 971-458-4001
No pressure… no hassles .. just service in The Lincoln Tower across from Washington Square Mall

Just finished this custom design ring. Client ❤️ loves it!
08/24/2026

Just finished this custom design ring. Client ❤️ loves it!

5 Star reviews on our jewelry repair dept. We do it all from a simple chain repair to full restoration.
08/19/2026

5 Star reviews on our jewelry repair dept. We do it all from a simple chain repair to full restoration.

We are the first stop for wedding plans… of course it’s the 💍! We have couples tell us constantly it’s tough to find a n...
08/06/2026

We are the first stop for wedding plans… of course it’s the 💍! We have couples tell us constantly it’s tough to find a nice wedding venue. Here’s our #1 recommendation. The winery is magnificent, the views are stunning. The owners are local & family owned. Here’s your venue …. GET YOUR ROCK & plan that shindig. Call Kace Riphagen 971-205-8301
• we do not accept anything for recommendations. Thanks

How we set fancy shaped diamonds. Oval- Radiant - pear & marquise together
08/04/2026

How we set fancy shaped diamonds. Oval- Radiant - pear & marquise together

Magnificent 3 carat oval cut set in 14kt rose gold. Our latest custom design needing a beautiful neck!!!! It just came ...
07/30/2026

Magnificent 3 carat oval cut set in 14kt rose gold. Our latest custom design needing a beautiful neck!!!! It just came out of polishing from our jeweler’s bench!

What’s unique about our diamond studs? You only see the diamonds!!!!
07/27/2026

What’s unique about our diamond studs? You only see the diamonds!!!!

Address

10260 SW Greenburg Road, Suite 400
Portland, OR
97223

Telephone

+19714584001

Website

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