About Us

Neil Sackmary G.G. (GIA)

Neil is a Graduate Gemologist from the GIA. He has been a practicing Gemologist for the past 25 years. Neil brings a wealth of knowledge, making Nevada Coin Mart one of the most professional and advanced jewelry buying companies anywhere.



  • Diamond Essentials
  • Diamonds & Diamond Grading
  • Colored Stone Essentials
  • Colored Stones
  • Gem Identification

Lab Classes:

  • Diamond Grading Lab
  • Colored Stone Grading Lab
  • Gem Identification Lab

The Gemological Institute of America, G.I.A. is the world’s foremost authority in Gemology & Diamond Grading.

#1 Jewelry Buyer in Vegas

Neil Sackmary has been buying, selling and researching coins, collectibles, jewelry and other valuables for over 25 years. Neil is a veteran Collectibles & Jewelry Buyer. He has bought and sold 2,000,000 pieces of jewelry..

His expertise is encompassed by years of research and market pricing, but he takes a particular interest in sterling silver jewelry and collectibles.

With over 1,000,000 online auction jewelry transactions under her belt, he has the experience to recognize and identify rare, obscure pieces of jewelry very few others could identify.

When it comes to various brands like Tiffany and Co, DTR – Jay King, Judith Ripka, I can examine and give you the best information and price on your jewelry possessions.


We are proud to be licensed by Clark County to legally buy jewelry from the general public. Nevada Coin Mart has transitioned into the modern technology age combined with the highest possible cash offerings and the best customer service.


Nevada Coin Mart offers a free, in person, evaluation of your jewelry, gold, silver, coins, bullion and larger diamonds. We use a state-of-the art x-ray spectrometer to ensure you receive top dollar.