Step by step guid for selling dimonds online :Diamond Lighthouse

How it works

Step 1 Send us your item information by clicking here
Please note To give you an accurate estimate of your diamond’s value, Please kindly send us a copy of your Appraisal or certificate / Receipt or any other Documents, You can email it to us at

Step 2. Transportation/Shipping
To know the precise specifications of your diamond jewelry, our certified Gemologists will need to evaluate it in our lab. If you’re in the NYC area, you can make an appointment with us for a free, comprehensive, in-house evaluation. If you are not able to make an appointment, though, don’t worry; we offer FREE, fully-insured, overnight Shipping Packages so that you can safely send your diamond to our lab. Each package is equipped with an RFID tag and Tamper-Evident tape to ensure that, from the moment it leaves your hands, your diamond jewelry is safe and secure.

Step 2. Evaluation
As soon as your package arrives, our gemologists will open it on video and perform a full evaluation for you to watch at your convenience. If your diamond is in a setting, we may remove your diamond from its setting, but only with your permission. Your diamond jewelry will be fully insured for its highest estimated resale value while it is in our possession.

Step 3. Sale
Next, we’ll showcase your diamond to an elite network of expert buyers and dealers in the diamond industry. Any offers made on your diamond will appear in your Online Account (Learn How it Works) where you can view all of your offers’ pertinent details. You can accept or reject any offers directly from your Online Account! Once you’ve accepted an offer, we will close the sale on your behalf. We only take a small commission on the sale, so we aim to get you the highest offer possible. We make money when you make money!

If you have any questions, please do not hesitate to email me or call me at 212-221-3278. You can also check out our Frequently Asked Questions.

Thank you for trusting Diamond Lighthouse. We look forward to working with you!

Know your
diamond type

Round brilliant, Oval brilliant, Rose cut, Round brilliant, Cushion brilliant, Rose cut, Step cut, octagon, Pear brilliant, Step cut, oblong, Cabochon, Lentil-shaped, Standard Round, Benchmark Crown, Height Pavilion
depth Table, diameter Girdle, Cushion Cut Diamond, Emerald Cut Diamonds, Asscher Cut Diamonds, 
thickness Crown, Radiant Cut Diamonds, Heart Shaped Diamonds, Pear Shaped Diamonds, Marquise Diamond, Oval Diamonds, Princess Cut Diamonds, Round Diamonds, angle Pavilion
angle Brilliance, AGA grade, American Standard, Eulitz Brilliant, Ideal Brilliant, Parker Brilliant, Practical Fine Cut, Loose Diamond, GIA Diamond, Scandinavian Standard and more..

Diamond Lighthouse accepts diamonds from 1 Carat Diamond and up.

Sell Brand Diamond Jewelry online

Top 10 diamond jewelry brands
Harry Winston, Cartier, Tiffany & Co, De Beers, Chopard, Van Cleef & Arpels, Graff, Forevermark, David Yurman Buccellati, Bvlgari, Tacori, Boucheron, James Allen and more.

Call Us At  



Monday - Thursday 10AM-5:30PM
Friday 10AM-1PM

15 West 47th Street
New York, NY 10036

Accepting walk ins at:
62 west 47 street Suite 305
New York NY 10036
United States

Direct Email


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