Regarding quality
QUALITY
Reliable standards that support beauty.
From the quality of the diamonds to the craftsmanship and comfort of the jewelry.
Discover the philosophy behind the quality that JEWELRY CASTLE holds dear.
DIAMOND STANDARD
Quality brilliance, defined by exacting standards.
At JEWELRY CASTLE, we establish quality standards for diamonds on a per-product basis.
Color, clarity, and cut.
We carefully consider each of these elements to ensure that every piece of jewelry looks beautiful.
COLOR
Features D–E color diamonds as the primary choice
CLARITY
Uses mainly VS to VVS clarity grades
CUT
For round diamonds with grading reports, 3EX is adopted as the standard
※Quality standards vary depending on the product, carat, shape, etc.
Please check the product page for the detailed grade of each item.
GRADING REPORT
Making quality visible.
The eligible products come with a grading report from an independent appraisal agency.
You can verify quality information, such as color, clarity, and cut, as an objective assessment.
JEWELRY QUALITY
Beautiful tailoring
Even the highest quality diamonds only truly shine when they are beautifully crafted into jewelry.
At JEWELRY CASTLE, we prioritize designs that enhance the beauty of the stones, meticulous stone setting, expert finishing, and ultimate comfort.
OUR STANDARD
To be beautiful as jewelry.
Grades and numerical values are important criteria for understanding quality.
Just as importantly, we value the beauty when worn and the craftsmanship that allows you to cherish a piece forever.
At JEWELRY CASTLE, we are committed to quality in every step, from the diamond to the finished piece of jewelry.