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Art Nouveau Glass: A Symphony of Color and Form

Invaluable

The luminous glow and shimmering color of Art Nouveau glass are endlessly irresistible, as are the stories behind some of the movement’s most celebrated designers. Reflecting the era’s opulence, Art Nouveau glass designers celebrated the natural world in forms that exuded their mastery of the craft.

Glass 88
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Italian Mosaic Jewelry: Buy It or Leave It?

WorthPoint

Many beautiful collectibles have been made in Italy over time, including a wide array of jewelry. Because how much do you really know about the different types of mosaic jewelry and when these pieces were made? The General Nature of Mosaic Jewelry First, let’s look at mosaic jewelry in general terms.

Jewelry 98
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How to Safely Clean Old Costume Jewelry

WorthPoint

Many pieces of rhinestone jewelry like this Juliana brooch can be cleaned by dusting them off with a soft toothbrush. The first thing to know about cleaning old costume jewelry is that it’s not a one-size-fits-all proposition. If I had to make one blanket statement regarding cleaning jewelry, though, it would be this: less is more.

Jewelry 98
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How to Evaluate Estate and Vintage Jewelry: A Guide

Sarasota Antique Buyers

It is important to know how to evaluate estate or vintage jewelry if you’re thinking buying or selling it. This how-to guide will teach you the crucial factors to consider when assessing these types of jewelry. This will also assist you in determining the piece’s age.

Jewelry 52
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Tips To Value Antique Gold And Fine Jewelry

Sarasota Antique Buyers

Valuing antique gold and fine jewelry can be difficult- marks can vary based on age and how can you tell if a stone is a real diamond or not? When you are looking to sell your family heirloom jewelry, you want to make sure you are getting a fair price from a dealer. In Mohs scale glass is rated at 5.5, and diamonds at 10.

Jewelry 52
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Office Hours Information from March 2025

International Society of Appraisers

Q: In a damage claim, what's the most common marketplace for determining the fair market value of diamond jewelry? You can replace “diamond jewelry” with other types of property and ask yourself similar questions. For example: Where does pre-owned diamond jewelry sell to the public?

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Marcasite or Hematite? How to Identify Gray Jewelry Materials

WorthPoint

As I’m perusing online jewelry listings, whether shopping or doing research, I sometimes come across things that just aren’t quite right. Whether you’re just learning about jewelry buying and selling and need a bit more information on this gray area (pun intended!) Some marcasite jewelry is marked as well.