MATERIAL

OUR MATERIALS

The materials we use are ethical and we are committed to using only the finest materials so that we can continue to provide our customers with jewelry that will last for years and decades.

OUR DIAMOND

LAB GROWN DIAMONDS

Environmentally friendly diamonds.

The lab-grown diamonds we use are composed of the same ingredients as natural diamonds and are free from impurities, giving them a pure and beautiful brilliance.

It has the advantage of being environmentally friendly, conflict-free, and a sustainable source of supply for future generations.

We insist on using the highest quality diamonds and only use clarity VS2 and G color or higher.

Benefits of the lab-grown diamond

  1. Ethically sourced

    Because it is made in a lab, it is guaranteed to be conflict-free and ethical, and there is zero chance of conflict diamonds. With mined natural diamonds, we cannot guarantee it. And it has the advantage of being a sustainable source of supply for the next generation.

  2. Eco-friendly

    Compared to mined diamonds, lab-developed diamonds have no impact on the environment, do not pollute water bodies or degrade the soil.

  3. Competitive prices

    Our lab-created diamonds are 30-40% cheaper than their natural diamond counterparts mined from the ground, with the elimination of intermediate costs due to the short supply chain.

Material structures

Lab-grown diamonds have been scientifically proven to be the same substance as natural diamonds mined from the ground. Professional appraisers can also identify the differences between natural diamonds only with the help of a dedicated machine.

Chemical Formula Thermal Conductivity Crystal Structure Mohs Hardness Density[g/㎠] Refractive Index Optical Dispersion
[Diamond]
Natural Diamond C HIGH CUBIC 10 3.52 2.42 0.044
Lab-Grown Diamond C HIGH CUBIC 10 3.52 2.42 0.044
[Imitation Stone]
Cubic Zirconia ZrO2 LOW CUBIC 8.25 5.70 2.20 0.066
Moissanite SIC HIGH HEXAGONAL 9.25 3.21 2.65 0.104
White Sapphire AI2O3 LOW HEXAGONAL 9 3.97 1.77 0.018

K18 gold, K10 gold

Our jewelry is made of 18 carat (K18) and 10 carat (K10) gold. Our gold is 100% recyclable.

Gold is the least reactive metal in the world and is not easily oxidized or discolored, especially K18, which remains beautiful over time. A metal with these special properties is called a precious metal.

AKOYA PEARLS

Akoya pearls in Japan

Pearls come in a variety of shapes, but only the rarest and most valuable round pearls are used. We use cultured pearls, all of which are harvested in Mie, Japan.