Sergio

About Sergio

Sergio Nuncio has been a diamond and watch buyer for over 20 years. He loves valuating fine estate jewelry, diamonds, watches and gold. When Sergio isn't working with diamonds, he is working on his salt water aquarium, fishing or spending time with his wife and children.

How To Find Fine Estate Jewelry on eBay

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As much fun as it is to “window shop” on eBay, we all have lives and I don’t know about you, but I don’t have time to page through 29 pages of ‘estate diamond necklace’. And, if you are anything like me, you will get distracted by the pretty pictures and click on them, which then will lead to a sellers store and a whole slew of things you weren’t even looking for. Before you know it, hours have gone by and your wife has thrown the dinner out because it’s cold and the kids have gone to bed and it’s 4 in the morning. Whew….

 

Shopping on eBay can be daunting. Heck, selling on eBay can be daunting, but there is no doubt that if you are a collector of fine estate jewelry; eBay is a great marketplace. The trick is to know how to cull through the hundreds and thousands of listings to find the right thing for the right price, and I am going to help you learn how to do just that. [Read more...]

Peridot: August Birthstone and Gemstone of the Month

Peridot Gemstone of the MonthAlthough peridot is not a rare gemstone, it is the August birthstone and the gemstone of the month and one of the oldest known gemstones, with ancient written records documenting the mining of this stone as early as 1500 B.C. This is a gem that is especially connected with ancient Egypt, and some historians believe that the famous emeralds of Cleopatra were actually peridots.

In natural terms, peridot’s history is different from that of almost all other gems because most gems are formed in the earth’s crust, but peridot forms in magma in the upper mantle, about 20 to 55 miles deep.  It is brought to the surface by tectonic or volcanic activity.

The main source of peridot in the ancient world was Topazos Island, now known as Zabargad or St. John’s Island, in the Egyptian Red Sea, but today the most commercially important producer in the world is the San Carlos Indian Reservation in Arizona.  [Read more...]

Custom Jewelry, Designer Jewelry, Branded Jewelry: Which Do You Wear

Diamond Custom JewelryOften I will get a call about a pair of earrings or a necklace and the customer will tell me that it is a designer piece.  But, when I ask who it is, it turns out it is branded.  Many times people mistake a custom piece of jewelry for a designer piece of jewelry.  And, sometimes people don’t even look to see if their jewelry is branded, designer or has a stamp at all.

It’s important to know if your jewelry is designer, branded or custom and what each means as well as how to recognize each type of jewelry because this will help you determine the worth of the jewelry that you own or want to buy in the future. [Read more...]

Aquamarine – Gemstone of July

AquamarineImagine the cool blue waters of the Mediterranean with the sun shining and the white sugar sand beach.  This is what I think about when I see a beautiful Aquamarine.  This month’s gemstone of the month is Aquamarine, which literally means “sea water.”

Aquamarine is part of the beryl family and is the birthstone for March and it comes from Australia, Brazil, China, Kenya, Madagascar and Mozambique.  What is unique about Aquamarine is that the crystals can grow to huge sizes, so you will find very large gemstones for jewelry.  Also, the clarity is excellent, which makes it ideal to be used as a center gem for jewelry and larger cuts. [Read more...]

Art Deco Diamonds – Tuesday Trends

Period Pieces.  Platinum and Diamonds.  Bold Geometric Shapes.  Repeating Patterns.

 Art Deco Diamonds

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