A square cut commonly applied to emeralds, it is characterized by a wide table surface. This cut method was developed to highlight the color and clarity of the gemstone rather than its brilliance.
classification for Japanese verb with the dictionary form ending in "ku
Cutting / Cutting
It is a molding process that maximizes the properties and characteristics of the stone and cuts off the stone to create the most beautiful appearance. There are various cutting methods.
Karat / Karat
The unit of weight of a diamond: 1 carat (symbol ct) is 200 milligrams. A unit smaller than a carat is called a "point," and one point is two milligrams. It is also used to indicate the purity of gold. 24 carats (symbol K, kt) is pure gold, and 1 carat is one twenty-fourth of that amount. 18 carats (18k gold) indicates that 18/24ths of the gold is pure gold.
blank frame / empty frame
It is a precious metal frame that has not yet contained the main gemstone or pearl.
Precious stone
Diamonds, rubies, sapphires, emeralds, and other gemstones of high financial and jewelry value. Many of them are transparent with a hardness of 7 or higher and are also known as "precious stones.
Clarity / Clarity
It represents the transparency of a diamond. As a natural mineral, diamonds have a variety of internal features. It is used to indicate the degree to which crystals of other minerals or scratches reduce transparency.
Wedding Rings / Wedding Rings
A ring that is given to the man and woman who are to be married, and is exchanged by the groom and bride during their wedding vows. Also known as wedding rings or wedding bands, the origin of these rings is said to date back to ancient Egyptian times.
Grinding / KENMA
This is the process of polishing and smoothing natural stone and other materials. It is often done to finish a surface area.
KOUMARU
A ring design with a rounded, curved surface. It is the most popular standard design for wedding rings.
Engagement Rings / Engagement Rings
A ring given by a man to a woman to commemorate their engagement. Also known as an engagement ring or engagement ring, it originated in ancient Rome, where iron rings were given as a sign of engagement.
"sa" column or row of the kana syllabary
Silver / Shiruba
It is the second most common metal discovered after gold and copper. Since pure gold is too soft for jewelry in its pure form, alloys with copper and other metals are generally used. When exposed to air for a long period of time, it combines with sulfur to form silver sulfide, but it can be easily cleaned with silver cleaner and can be used for a long time.
Core clamping
This technique is used to clasp single-holed pearls and coral stones. A thin core (0.7 to 0.9 mm in diameter) is coated with adhesive, and a pearl or other object with a hole drilled halfway through is set into the core and clamped.
Scratch / Scratch
A scratch on the surface of a gemstone.
classification for Japanese verb with the dictionary form ending in "tsu
Birthstone
It is a gemstone determined for each month from January to December. It is said that wearing the stone of your birth month will make you happy.
Tsuchime / Tsuchime
This is a design in which a pattern is created by striking with a hammer. Various patterns are created depending on the force with which the hammer is struck, giving it an original and unique look.
Claw clasp
This is the orthodox method of fastening a stone by means of claws attached to the stone's seat or arm. The gemstone is secured with the tip of a pre-set claw.
Natural (natural gemstone)
A gemstone that has not been subjected to any human processing other than polishing and cutting. It is used to distinguish them from enhanced or treated gemstones.
"ha" column or row of the kana syllabary
Pink Diamond / PINK DIAMOND
These rare and highly valuable pink diamonds are mined from mines in western Australia. Generally, the darker the color, the higher the value.
Pink gold (K18PG)
This alloy is made by mixing gold with silver and copper to add color. It is especially popular among women because its hue matches Japanese skin.
Flattening / Hirauchi
It refers to a design in which the surface of the ring is sharp and flat. It has a clean look and presence, and is a design that can be worn for a long time.
White Gold (K18WG) / White Gold
This is a gold alloy that is white in color due to the use of a split gold alloy. There are two types of gold alloys: palladium-based and nickel-based. It is characterized by a more subdued color than platinum and is especially popular among men.
"ma" column or row of the kana syllabary
Matt / Matto
This is a finishing method to achieve a ring surface without luster. By carving fine irregularities on the surface, light is diffusely reflected, resulting in a moist and subdued texture.
Milling / Miruchi
It is a technique of engraving a series of fine bead patterns on the frame of a ring. It is a decorative technique that has been applied to jewelry since ancient times. The fine grains give the jewelry a delicate and luxurious impression.
Meredia / Meredia
A diamond is a small diamond of 0.1 carat or less. They can be used to decorate the center stone or paved to increase the sparkling impression.
"ya" column or row of the kana syllabary
4C / Yonshi
It is a worldwide standard for evaluating diamonds, and is an acronym for Cut (Polishedness), Clarity (Transparency), Carat (Weight), and Color (Color).
"ra" column or row of the kana syllabary
Round cut / Laundeck cut
A round cut is a general term for a cut that is circular in shape. Even if it is not a perfect circle, if it looks almost circular, it is said to be a round cut.
Ring Gauge / Ring Gauge
A ring is a tool used to determine the thickness of the finger when making a ring. It is also called a "size gauge," and is generally made up of a bunch of rings of different sizes in increments of one size.
Ruth / Ruth
A gemstone that has not been set in a frame. Also called "bare stones," they are different from "gemstones" because they have already been cut and polished. Some places sell only loose gemstones, which can be carried around as a good luck charm or collected for enjoyment.
classification for Japanese verb with the dictionary form ending in "su
frame / woven
It refers to the entire non-jeweled portion of jewelry with gemstones. It is not used for jewelry that is not originally set with gemstones.
