Contact Us

Questions about authentication, consignment, or vintage jewelry? We're here to help.

Tiffany paraiba tourmaline ring - the kind of signed pieces we authenticate

Visit Our Showroom

Spectra Fine Jewelry

44 West 47th Street, Suite GF1

New York, NY 10036

(NYC Diamond District)

Hours

Monday – Friday: 10am – 5pm

Saturday – Sunday: By appointment

Request Authentication Review

Have a piece you'd like us to evaluate? Send photos and details via email. We'll give you a straight read—no pressure, no BS.

Email: info@spectrafinejewelry.com

Include in your email:

  • • Clear photos (signature, hallmarks, overall piece)
  • • Any documentation or provenance info
  • • Brand and approximate era if known
  • • Your questions or concerns

Ready to Shop Authenticated Pieces?

Every item at Spectra Fine Jewelry goes through our verification process before it hits the case.

Shop Spectra Fine Jewelry →

Frequently Asked Questions

Do you charge for authentication opinions?

We're happy to give informal opinions on pieces via email—no charge for a quick take. For formal written authentication reports, we charge a fee based on complexity. Contact us for details.

Can I visit without an appointment?

During regular business hours, walk-ins are welcome. For dedicated time with a specialist, we recommend calling ahead to schedule an appointment.

Do you buy or consign jewelry?

Yes! We buy outright and offer consignment options for signed pieces. Visit our Sell Your Jewelry page for more information, or contact us directly to discuss your piece.

What brands do you specialize in?

We focus on signed pieces from major luxury houses: Cartier, Van Cleef & Arpels, Tiffany & Co., Bulgari, Harry Winston, David Webb, Boucheron, and others. Check our brand guides for detailed authentication information.

Helpful Resources