Sell Diamonds Online Securely :Diamond Lighthouse

Sell Diamonds
Online Securely

Our step by step process 
With over 30 years of experience in the diamond industry, the founders and expert staff of Diamond Lighthouse are trusted names in the business. With a stellar reputation in diamond evaluation and sales, your diamond is in good hands.

From the very moment you ship your diamond to us, it is 100% insured for the full, replacement value estimate. Your diamond is completely covered while at our facilities, up until you accept an offer for it and receive payment. If you request to have it shipped back to you, at any point, it is fully covered on the return trip as well.

Secure Location
Our offices are located in the famed Diamond Tower on Fifth Avenue, in Manhattan’s illustrious diamond district. The entire building is heavily guarded and under 24 hour video surveillance. Our laboratory & evaluation center is also completely secure, protected and monitored on camera.

Qt Diamond Lighthouse we have made the process of selling your diamond a simple, safe and risk-free one. During any time, you can ask to have your diamond returned and we will ship it back, completely cost-free. When your diamond first arrives at our lab, our chief gemologist opens your package on camera and records the entire evaluation procedure. You can view this video any time you like.

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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