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About K Gold & Platinum

C.H. jewelry is crafted in K gold and platinum

 

Suitable for everyday wear

including bathing and contact with water.

About K Gold & Platinum

C.H. jewelry is crafted in K gold and platinum

 

Suitable for everyday wear

including bathing and contact with water.

K GOLD

K gold is a precious metal alloy made by combining gold with other metals.


The gold content is indicated in karats (K), such as 14K or 18K.


A higher karat number represents a higher percentage of gold content.

- Durability & Strength -

K gold is more durable than pure gold and, unlike electroplated materials, does not fade over time.


It is ideal for everyday jewelry and gemstone settings, maintaining its shape and beauty for long-lasting wear.

- Color Options -

The color of K gold can be adjusted by blending different metals.Options such as white gold and rose gold allow for a variety of personal styles and preferences.

Pure gold is commonly referred to as 24K (99.9% gold content)

Due to its softness, it is less suitable for everyday jewelry.


【 C.H. jewelry is crafted

exclusively in 18K and 14K gold for optimal durability and wearability.】

18K GOLD

18K gold contains 75.0% pure gold and is typically stamped with “AU750” on jewelry pieces

- The Highest Gold Content Among K Gold -

18K gold is the most common ratio in the K gold series, containing 75% pure gold.
It is typically marked with the “750” stamp.
Compared to other K gold alloys, 18K gold holds higher value and is widely used in mid- to high-end jewelry making.

- Ideal for Diamond Settings -

With its high gold content, 18K gold offers stable value and strong asset worth.
It is especially suitable for natural diamond settings and is widely used in luxury jewelry design.

- Durable & Suitable for a Lifetime of Wear -

18K gold offers excellent durability and oxidation resistance. With proper care, it can be worn for a lifetime.
Its longevity also makes it highly valuable as a collectible piece.

14K GOLD

14K gold contains 58.5% pure gold and is typically stamped with “AU585” on jewelry pieces

- A Balance of Luster, Durability & Value -

14K gold offers beautiful luster, durability, and excellent value for money.
It is typically marked with the “585” stamp on jewelry pieces.
Compared to 18K gold, the visual difference is nearly indistinguishable to the naked eye.

- Ideal for Everyday Wear -

14K gold is highly durable and resistant to scratches and deformation,
making it especially suitable for jewelry worn on a daily basis.

- Easy Care & Shower-Friendly -

14K gold requires minimal maintenance and does not discolor, maintaining its original luster over time.
It may be worn during showering (excluding jewelry with pearls), allowing you to enjoy its beauty with ease.

Platinum

Platinum (Pt) is a naturally pure white precious metal.
With its stable properties and high density, it is regarded as the ultimate symbol of eternity and steadfastness.

- Rarity & Stability -

Platinum is extremely rare, with an annual production of only one-tenth that of gold.
With a melting point as high as 1,768°C, it is difficult to craft, yet exceptionally stable and resistant to oxidation.

Even with long-term wear, platinum maintains its luster and refined texture.
Its rarity, durability, and complexity in craftsmanship give platinum strong commemorative and collectible value.
It is a material that has only become workable with modern technology over the past century.

- Natural White & Exceptional Durability -

Platinum is the only precious metal that is naturally pure white.
It achieves a bright white luster without the need for electroplating.

With its high density, hardness, and toughness, platinum is exceptionally durable and ideal for long-term wear.
It is especially suited for diamond and precious gemstone settings, symbolizing eternity and enduring commitment.

- Confidence in Everyday Wear -

Platinum is highly resistant to corrosion and discoloration, and can even withstand hot spring environments.
It is a popular choice for wedding rings in Japan.

Platinum wedding rings are suitable for long-term wear, without concern for fading or excessive wear—
truly offering peace of mind for a lifetime of wear.

FAQ

What's the difference between pure gold and K gold?

What does the gold content in K gold mean?

Which type of K gold is right for me?

How should I careful and clean K gold?

Platinum vs. 18K White Gold

Topic

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