Authentication Identification Rarity 
Gemology Resources
JUNE 21, 2024
This detailed essay encompasses the diamond’s identification, color, clarity, cut, and carat weight—four critical factors known as the "Four Cs" or a colored gemstone's identification, treatment, or lack of treatment all of which can greatly influence a gemstone's value. This knowledge plays a crucial role in making informed decisions.
Gemology Resources
JUNE 21, 2024
This detailed essay encompasses the diamond’s identification, color, clarity, cut, and carat weight—four critical factors known as the "Four Cs" or a colored gemstone's identification, treatment, or lack of treatment all of which can greatly influence a gemstone's value. This knowledge plays a crucial role in making informed decisions.
Buckhead Jewelry Appraisers
SEPTEMBER 14, 2023
Hallmarks and Documentation Jewelry with clear hallmarks and documented origins is typically easier to authenticate and appraise accurately, which thus positively influences its value. Age and Rarity Vintage or antique jewelry is valuable, especially if it is rare or from a specific historical period. diamond, sapphire, etc.),
John Thomas Jewelers
AUGUST 17, 2023
Appraisals signify authenticity. Appraisers may identify and describe gemstones and metals in their documentation, but that doesn’t mean they’ve authenticated them. Some of the key dynamics that impact jewelry value include: Gemstone quality and rarity. They might be convenient, but they’re not exactly accurate.
Penrose Appraisals
DECEMBER 14, 2022
The Ancient Fairy Dragon card you have in your hand may be the one that sold for $1,200 or it may be the one that only sells for a dollar depending on not much more than a series of identification numbers on the card front. Ebay has added authentication services recently to try to address this (as they have with tennis shoes!)
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