About Lab-Grown Diamonds
LAB-GROWN DIAMOND
Diamonds, more freely.
Lab-grown diamonds are made of the same carbon as natural diamonds and share the same crystal structure.
When it comes to quality, size, and design, they offer a new way to choose a radiance that is uniquely yours.
WHAT IS LAB-GROWN
Lab-grown, real diamonds.
Lab-grown diamonds are diamonds created in a laboratory by replicating the environment in which natural diamonds are formed underground.
They are composed of carbon and possess the same crystal structure as natural diamonds.
They are not imitations that merely resemble diamonds in appearance, but are evaluated and traded as genuine diamonds.
SAME DIAMOND
Natural diamonds and, the same diamonds.
Lab-grown diamonds are composed of the same carbon and possess the same crystal structure as natural diamonds.
Their physical and optical properties, such as hardness and refractive index, are also identical to those of mined diamonds.
They are distinct from moissanite and cubic zirconia, which only imitate the appearance of diamonds.
WHY CHOOSE
Lab-grown diamonds, expanding your choices.
MORE CHOICES
Carat, shape, design.
Enjoy the freedom to choose the jewelry you truly desire.
高品質
Color, clarity, and cut.
We value the quality that makes jewelry look beautiful.
DESIGN FREEDOM
You can enjoy a wider range of options, including fancy shapes, large diamonds, and custom-made designs.
NATURAL & LAB-GROWN
The difference is where we grew up.
Natural diamonds are formed deep within the Earth over long periods of time, while lab-grown diamonds are cultivated in a laboratory setting.
Although their environments of origin differ, both are diamonds composed of carbon.
However, there are differences in their internal characteristics due to the growth process, and specialized institutions identify them through advanced testing.
GROWING PROCESS
Bringing the Earth's environment, into the laboratory.
Lab-grown diamonds are created from carbon by replicating the high-temperature and high-pressure environments in which natural diamonds are formed within a laboratory setting.
The primary manufacturing methods are HPHT and CVD, both of which are techniques for growing diamond crystals.
SHAPES & DESIGN
More freedom in both shape and design.
Round, oval, emerald, pear, marquise, heart, princess.
With lab-grown diamonds, you can choose the sparkle that reflects your unique style from a wide variety of shapes and designs.
ROUND
OVAL
EMERALD
PEAR
MARQUISE
HEART
PRINCESS
OUR QUALITY
With a wider range of options, we can also focus on quality.
At JEWELRY CASTLE, we have established quality standards for every product, including color, clarity, and cut.
For example, our round diamonds with certification are based on a D-color, VVS2, and 3EX (H&C) standard, allowing you to choose with confidence based not only on size and design, but also on quality.
YOUR DIAMOND
Shine in your own way, more freely.
For special occasions, and for everyday life.
The size, the shape, the quality.
An era where you can freely choose the one stone that is uniquely yours.
JEWELRY CASTLE offers jewelry you can cherish for a lifetime,
through the new choice of lab-grown diamonds.