Wedding Rings

What is the semi-custom ring system?

The semi-custom system is a ring-making process where you combine a personally selected loose diamond with a chosen ring setting. It allows you to create a ring that matches your preferences within your budget, making it a highly popular customisation option.

  • View Semi Custom System

What are bridal set rings?

Bridal set rings are designed from the start so that the engagement ring and wedding band fit together as one unified design. While each ring can be worn beautifully on its own, they are also crafted to align perfectly when worn together, creating an elegant and refined look that enhances the hand.

  • View Bridal Set Ring

I’m not sure how to choose a ring design.

GINZA DIAMOND SHIRAISHI offers a wide variety of ring designs, and our experienced consultants will help recommend the most suitable options for you. Once you try them on, you may find the look and feel different from what you initially imagined. A wide selection of sample rings is available in-store, so please feel free to try as many as you like.

  • View Engagement Ring

I don’t know my ring size.

If you visit our store, we will measure your ring size using a ring sizer. As fingers may swell in the evening, our consultants will assess your fit and provide appropriate recommendations.

Can laser engraving be done?

Yes. We offer complimentary engraving at the time of purchase. Typically, couples choose to engrave their anniversary date and initials. Depending on the ring design, engraving options may be limited. Please consult our in-store advisors for details.

Can I choose the ring material?

In addition to platinum, we also offer materials such as K18 yellow gold and K18 rose gold. You can choose your preferred combination or change the material according to your design preference.

  • View Platinum Wedding Ring

Can “Secret Stone” be set?

Yes. The “Secret Stone,” set on the inside of the ring as a hidden symbol of your private message, is a popular choice. Many customers select birthstones or gemstones with special meaning to be set inside their rings. Pricing varies depending on the stone chosen, so please consult our advisors for details.

  • View Secret Stone

Diamonds

Where are the diamonds sourced from?

GINZA DIAMOND SHIRAISHI sources diamonds through its office in Belgium and India, where expert gemologists carefully select only stones that meet strict quality standards for bridal jewelry.

  • View Diamond Sourcing

What should I consider when choosing a diamond?

While the 4Cs are important, GINZA DIAMOND SHIRAISHI also considers brilliance, ring design, and craftsmanship. We recommend choosing a diamond that best suits you as a couple, rather than focusing only on the 4Cs.

I would like to know the price of diamonds

Prices vary depending on the diamond’s size and quality. We will recommend suitable options based on your budget.

Do diamonds come with a grading certificate?

At GINZA DIAMOND SHIRAISHI, engagement ring center diamonds (0.25ct and above) come with a grading certificate issued by trusted institutions such as GIA, Sarine, DGL, or CGL.

Can I purchase just a diamond?

Yes. You can purchase only a diamond. if you decide to create a ring later, you can then choose your preferred design, and we will craft it through our semi-custom service.

Purchasing

What is the price range for engagement and wedding rings?

You can check the reference prices on each ring’s product detail page.

  • View Engagement Ring

When can I receive the rings after purchase?

As we use a semi-custom system, delivery takes about 4 to 6 weeks after ordering. Some designs may be available sooner, so please let us know if you are in a hurry.

Related Services

Do you provide a ring storage box?

We will present your purchased rings in a jewelry box.

After Purchase

How should jewelry be stored?

Platinum jewelry is delicate and may be damaged by strong impact. We recommend storing it in a jewelry box, tray, or on a soft cushion to prevent scratches.

Do you offer cleaning services if diamonds become dull over time?

We offer cleaning services free of charge and welcome your visit. Even if you do not bring your warranty card, we can still provide the service by verifying the engraving inside the ring.

  • View Lifetime Warranty Services

Can the ring size be resized?

Yes. Please refer to GINZA DIAMOND SHIRAISHI’s detailed service information for more details.

  • View Lifetime Warranty Services

Can products purchased at GINZA DIAMOND SHIRAISHI in Japan be repaired?

Processing and repairs for products purchased at GINZA DIAMOND SHIRAISHI stores in Japan cannot be carried out at DIAMOND SHIRAISHI stores in Taiwan.

Do you provide after-sales services such as repairs and maintenance?

To ensure you can wear your ring comfortably for a lifetime, we offer a lifetime care service called “Craftsman Support,” which includes essential maintenance such as resizing and remaking.

  • View Lifetime Warranty Services

If I lose my ring, can I purchase the same design again?

Since diamonds are natural minerals, no two are exactly the same. However, we keep records of your ring’s design and size, so please feel free to visit us for assistance.

Others

It feels intimidating to enter a jewelry store for the first time

Many GINZA DIAMOND SHIRAISHI customers are visiting a diamond or jewelry store for the first time. Our consultants strive to create a warm, friendly experience to help you feel at ease. Please feel free to visit us anytime.

Can I visit the store without an appointment?

You can visit without an appointment, but we recommend booking in advance as weekends and holidays are busy. Priority is given to reserved customers, and we can prepare ring styles for you if you inform us beforehand.

Can I visit alone to secretly prepare an engagement ring for my girlfriend?

No problem. Our consultants will recommend suitable designs based on lifestyle. If size is unknown, we can suggest rings that can be resized later. Please feel free to visit us.