Have you ever heard of the term fine jewelry?
Jewelry made using high-quality precious metals such as 18K gold or platinum and expensive gemstones.
The design and finish are sophisticated and the durability is high.
The biggest appeal is that it can be used for a long time.
Not just for special events,
Fine jewelry can also be used in everyday fashion.
They often have asset value.
The luxurious design is
It can also be a way to express your style and status.
In this spotlight, we focus on five criteria to keep in mind before purchasing fine jewelry.
"The criteria for selecting fine jewelry are
Primarily the quality, carat weight, and design of precious metals and gemstones.
Point 1
"Type and purity of precious metals"
18K gold and platinum are often used in fine jewelry.
Materials with high purity and excellent durability are highly valued. 
gold
K (Karat) stamp <br>For example, 24K, 18K, 10K, etc.
The higher the number, the higher the purity.
*Karat indicates the purity of gold.
Finesse Engraving
Examples include "750" and "585".
This represents the gold content,
750 is 75% (18K),
585 means 58.5% (14K).
platinum
Pt (platinum) stamp
950Pt, 900Pt, etc.
950 indicates 95% purity,
900 indicates 90% purity.
Silver
sterling silver
The stamp "SV925"
Indicates that it contains 92.5% pure silver.
pure silver
The stamp "SV999"
Indicates 99.9% pure silver.
Point 2
"Gemstone Carat"
Carat weight indicates the weight and size of the gemstone.
The larger it is, the more valuable it is,
The appearance and brilliance of the gemstone are also important factors in making a decision.
1 carat is approximately 0.2 grams.
Point 3
"Gemstone Evaluation Standards (4C)"
The 4Cs are four criteria used to evaluate the quality of diamonds.
Carat
It indicates the weight and size of the gemstone.
The larger the carat, the higher the value.
Color
The purity of the color. The more colorless it is, the more expensive it is.
A criterion that is particularly important for diamonds.
Color grades start from D (colorless)
Up to Z (strong yellow)
Colors are classified and evaluated on a 23-point scale.
Clarity
Transparency and the presence or absence of inclusions.
The fewer inclusions, the more valuable it is.
The rankings are "FL", "IF", "VVS1", and "VVS2" in descending order of rating.
"VS1" "VS2" "SI1" "SI2" "I1" "I2" "I3"
There are 11 clarity grades.
Cut
Literally the technique of cutting gemstones.
When it is well cut to maximize light reflection, it gives off a beautiful sparkle.
Cut grades include
3 Excellent (3EX) Excellent (EX), Very Good (VG),
There are six: Good (G), Fair (F), and Poor (P).
Point 4
"The design and overall aesthetic"
The beauty of the design and the finish of each piece of jewelry are also important factors.
It's also a good idea to consider your preferences and trends.
Point 5
Certificates of Appraisal and Identification
Whether or not there is a certificate or warranty,
It's one of the things that gives you peace of mind when making a purchase!
Value can be more accurately confirmed through reliable proof.
Most of the fine jewelry sold at QOO comes with a certificate of authenticity, appraisal certificate, or sorting card, so you can check its value more accurately!
Certificate
(Grading Report)
Contents : Diamond 4C evaluation.
Purpose : The beauty of diamonds,
An important criterion for assessing rarity.
Note : The 4Cs alone do not determine whether something is good or bad.
It is always advisable to check the certificate.
Identification book
(Gem Identification Report) 
Contents : Gemstone type (mineral name, gemstone name), carat,
Basic information such as cuts.
Purpose : Test results to confirm whether a gemstone is genuine or natural.
Other : Technical values (refractive index, specific gravity, etc.) are also listed,
There's no need to get hung up on the details.
sorting
(Sorting Card) 
Contents : Simple information such as mineral name, gemstone name, carat weight, etc.
Purpose : To provide simple appraisal and identification results for dealers managing gemstones.
Features : Often without photos,
Reliable inspections are carried out by appraisal agencies.
