Which country loves wearing diamonds the most?
Diamonds, with their timeless allure and undeniable beauty, have captivated people's hearts around the world. However, the passion for
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Which diamond shape reigns supreme in engagement rings?
When it comes to engagement rings, diamonds have long been the epitome of everlasting love and commitment. However, not all diamonds are
The history, production and development of Lab-grown diamonds
In the 1930s, Russia experimented with ways to create lab-grown diamonds as both scientists and business people recognized there were
When would a diamond receive the “Ideal” cut grade?
Cutting is an important category among the 4C rating. When purchasing round diamonds, you could pay attention to
Why are diamonds popular for engagements?
When it comes to engagements, diamonds have claimed the spotlight as the ultimate symbol of love and commitment. They hold a mysterious
Why are fancy cut diamonds not graded for cut?
If it's possible to grade round brilliant-cut diamonds, why not establish a comprehensive grading system for oval or pear-shaped diamonds?
4 diamond appraisal institutes (GIA/IGI/HRD/AGS)
Diamond certificate is a comprehensive inspection report for diamond, and the report will list the four grading (also called 4C – carat,...
Unveiling the Birth of the First-Ever Diamond Certificate: A Milestone in Diamond Authentication
Diamonds have fascinated humanity for centuries, captivating hearts with their timeless beauty and extraordinary brilliance. However, it was
The best option? The strengths of 18K gold
The most common rare metal used for jewelry mounting we could see on the market is 18K gold. So, why do we use 18K gold?
What is so attractive about rose gold?
Rose gold is a unique metal with faint red color. Many brands are starting to use this kind of metal in the recent years, and it is very po
What factors could affect the scintillation of diamond?
Diamond has inclusions and its appearance could be affected by factors like cutting. What could affect the scintillation of diamond? The sci
Common jewelry metals (18K, PT950, S925)
Metals of poor quality could oxidize and discolor easily, which could cause the whole jewelry to lose its shine. Metals which are too soft
Why is lab grown diamond platinum ring a wise choice?
Diamonds can only be re-sold for 50-60% of its original price. Therefore, saying “diamond is value-maintaining” is not accurate.
Why is using sterling silver (S925) for jewelry material not recommended?
Sterling silver will oxidize and turn dark after being exposed to air. Even though it is protected by an electroplated layer
Introduction to RAGAZZA lab-grown gemstones
Lab-grown gemstone signifies the beauty created by man through hard work. The charm of lab-grown gemstone can compete with that of natural g
What are the differences between “lab grown” and “simulated”?
“Laboratory-grown gemstone” which has the same chemical component and optical response as natural gemstone
Why somebody said natural gemstones are harmful?
Ores are cut, polished, and eventually become sparkling gems of which everyone desires. How much has it affected the world and society
What is CVD and HPHT diamond?
CVD technology refers to “Chemical Vapor Deposition”. The technology involves putting a “diamond seed” (a tiny piece of natural diamond) in
6 reasons to choose lab grown gemstones
In the recent years, the technology of creating lab-grown gem has become more stable, resulting in more stable gem quality and economical
Proposal ring – lab-grown diamond
The core question about lab-grown diamond is: Is it real diamond? Many international appraisal institutes have actually acknowledged that
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