Have Your Diamond Jewelry Evaluated by Our Professionals Today!

Diamond Ring Welcome to the Long Island Diamond Appraisal House / Long Island Diamond Buyers. We specialize in appraising, evaluating, and purchasing all types of diamonds and diamond jewelry. Being in the diamond industry for over 5 decades, we have a strong pedigree and history in the market and are the clear-cut choice on where to have your diamonds evaluated and sold.

Our staff consists of GIA Alumni Graduate Gemologists and Alumni Graduate Diamonds, as well as master diamond cutters and 3rd generation jewelers.

We purchase diamond jewelry and diamonds from a solitaire diamond engagement ring to a Van Cleef & Arpels or Tiffany & Co. necklace, and everything in between. Whether you are looking to sell a few small pieces of diamond jewelry or a 7 carat GIA certified stone, rest assure you are dealing with professionals.

Our location is convenient to Nassau County, Suffolk County and Queens. We have been a staple of Long Island for over 30+ Years.

We offer free appraisals for your diamond jewelry when you come to our Long Island location. Wondering if we'd be interested in purchasing your diamond(s)? See the list of diamond jewelry that we buy.

We Purchase

Loose Diamonds, Certified Diamonds, EGL Diamonds, GIA Diamonds, Diamond Rings, Diamond Earrings, Diamond Necklaces, Diamond Bangles, Diamond Brooches

Pricing Guide

Round Diamonds

.50ct........up to $5,200
1.00ct.......up to $30,000
1.50ct.......up to $48,000
2.00ct.......up to $116,000
3.00ct.......up to $208,000
4.00ct.......up to $256,000

Fancy Cut Diamonds

.50ct........up to $4,000
1.00ct.......up to $25,000
1.50ct.......up to $41,500
2.00ct.......up to $95,000
3.00ct.......up to $166,500
4.00ct.......up to $212,000