Diamond and Gemstones

At Johnsen Diamond, we offer premium payouts for a wide range of valuable items, including gold, silver, diamonds, coins, watches, and more. As experts in jewelry and precious metals, we specialize in evaluating and purchasing diamonds, fine jewelry, branded accessories, and luxury watches. Our in-depth knowledge and expertise allow us to provide precise valuations, ensuring that you receive a competitive and fair offer for your items.
Because we incorporate many of these materials into our own manufacturing process, we’re able to offer higher payouts than others in the industry. Additionally, our evaluation process takes place in a confidential and secure setting, where your items will never leave your sight.
We purchase the following items in any condition:
DIAMONDS
Diamonds are our specialty. Whether loose or set in jewelry, we offer confidential evaluations and purchase options. If you have a diamond grading report from GIA, IGI, EGL, or AGS, bringing it with you can help maximize your offer.

JEWELRY WITH GEMSTONES
If your jewelry features semi-precious or precious gemstones, we offer free evaluations and may be able to reuse these items in our estate collection, providing you with a premium offer.

Diamonds & Gemstones We Purchase in Any Condition:
  • Loose Diamonds
  • Diamonds Set in Jewelry
  • Precious Gemstones (Rubies, Emeralds, Sapphires, etc.)
  • Semi-Precious Gemstones (Amethyst, Topaz, Garnet, etc.)
Our evaluation process is confidential, secure, and always conducted with the utmost respect for your items. Whether you have a single diamond or an entire collection, we offer personalized, expert guidance to help you get the best value.
Visit us for a free, no-obligation consultation, and let our experts help you unlock the full value of your diamonds and gemstones.
732-530-0451 | 500 Prospect Avenue, Little Silver NJ | @johnsendiamond