C.H. adopts the globally recognized 4C standard
insisting on using natural diamonds of F/VS grade or higher. For diamonds over 0.3 carats
a GIA certificate is provided
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Natural diamonds are precious, non-renewable resources formed deep within the Earth over billions of years.
Renowned for their exceptional hardness, brilliance, and fire (rainbow-like light dispersion), they are highly prized in fine jewelry.
- The Charm of Natural Diamonds -
Natural diamonds are rare resources formed over billions of years, making them irreplaceable treasures of the Earth. Their exceptional hardness, brilliance, and fire (rainbow-colored light) make them highly valued in jewelry.
- Timeless Legacy -
Natural diamonds symbolize eternity, commitment, and the passage of time.
More than a piece of jewelry, they embody emotions and values meant to be treasured across generations.
✨C.H. is committed to providing our customers with the highest quality natural diamonds, delivering carefully selected brilliance ✨
Carat (ct) is the unit of weight used to measure diamonds and gemstones.
At C.H. Jewelry, we offer a variety of carat sizes of diamonds to meet our customers' needs.
The diamond color is categorized into five grades from D to Z.
Diamond Color Grades:
.Colorless : D・E・F
.Near Colorless : G・H・I・J
.Faint Yellow : K・L・M
.Light Yellow : N ~ R
.Yellow : S ~ Z
Color is one of the important factors in the 4C grading system, and the differences in grades can be identified by the naked eye, directly affecting the beauty of the diamond.
✨ At C.H. we carefully select only diamonds of F grade (colorless) or above to deliver the highest quality brilliance. ✨
Clarity is an indicator of the presence of internal inclusions or surface features in a diamond.
The higher the clarity, the better the transparency, and the diamond is considered to have higher rarity and value.
At C.H., we only use carefully selected diamonds of VS grade or above.
Diamonds with a VS (Very Slightly Included) grade or higher have minimal inclusions visible to the naked eye, offering high transparency and beautiful brilliance.
✨ C.H. carefully select diamonds with high-quality clarity to deliver a special brilliance. ✨
Cut is the most important factor in determining the brilliance and beauty of a diamond.
It directly affects the diamond’s brightness, reflection, and fire (rainbow-colored brilliance), and is considered the most technically demanding of the 4C grading criteria.
At C.H., we carefully select diamonds with a cut grade of VG (Very Good) or above.
With excellent cutting techniques, the diamond shines more beautifully and creates maximum light reflection.
✨ C.H. deliver diamonds that radiate the highest brilliance. ✨