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Sell Diamonds NYC

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Sell diamonds, diamond buyers, diamond dealer, sell gem stones, gemstones buyer.

What Sell Diamonds NYC does

Sell Diamonds NYC is a diamond buying business located in the diamond district of Midtown Manhattan, New York City. It buys diamonds and diamond jewelry, including engagement rings, wedding bands, diamond necklaces, loose diamonds, large diamonds of 3 carats and more, and certified GIA and EGL stones. The business also buys gold, silver, platinum, watches and other jewelry. Customers can request an online assessment, bring items to the shop for an in-person evaluation, or use a mail-in option. The company says it has been in the diamond buying industry for 20 years.

Summarised from the business's own website, checked October 2026. Not written or endorsed by the business.

About

Sell Diamonds NYC was established to serve all people looking to sell

Buying jewellery

For anything valuable, the paperwork matters as much as the piece: metal purity, stone grading and a written receipt.

What to check

Metal purity marks or hallmarks
Certificates for diamonds or gemstones above a modest size
Return, resizing and repair policy
A detailed receipt describing the piece

Questions to ask

Is this solid metal or plated?
Can it be resized or repaired later, and at what cost?
Do you offer a valuation for insurance?

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