FAQ

A. Normally delivery time is 6 to 8 weeks. If you are in a hurry, please contact us.

A. Regarding the products posted on the site, our concierge selects and selects the products that are good in appearance and have the best cost performance according to the 4Cs listed. If you would like to choose your own diamond or would like to choose a different grade of diamond, please feel free to contact us.

A. If you don't know your ring size, we can lend you a ring gauge to measure your ring size free of charge.

In the case of a surprise proposal, if it is difficult to obtain your partner's ring size, we can make the ring in a temporary size and have it resized after the proposal (free of charge within one year). In that case, if the band has too many diamonds, it will be difficult to make a major resizing. If you are unsure, please contact us in advance as we will be happy to advise you.

A. The natural diamonds handled by DIALLURE are procured in accordance with the Kimberley Process, which prohibits the handling of conflict diamonds, which are considered ethically problematic.

In addition, lab-grown diamonds are attracting attention as more ethical diamonds because they do not have to be dug underground and have less environmental impact.

A. Lab-grown diamonds are real diamonds that are created in a lab. Compared to natural diamonds that take a long time to be created underground, diamonds are attracting attention as a new era diamond that is ethical and has excellent cost performance.

At DIALLURE, we handle both diamonds and lab-grown diamonds.

A. No, even an appraiser cannot tell the difference between these two diamonds. Commercially available diamond testers will also identify both as diamonds. Identification is possible for the first time using advanced identification equipment.

DIALLURE is also a member of an industry organization and handles lab-grown diamonds and diamonds separately under strict management.

The type of diamond is also listed on the certificate.

A. Since lab-grown diamonds are still a new product, a resale market has not yet been established. Therefore, natural diamonds are considered to be relatively stable in terms of asset value. However, there are some people who actively choose lab-grown diamonds because of the cost advantage and ethical perspective. If you are unsure which one to set, please contact customer service.

A. Yes, lab-grown diamonds are real diamonds. It has the same chemical and optical properties as natural diamond.

A. no. Moissanite is an imitation stone that is easy to identify as it shines differently from diamond and has different chemical and optical characteristics. DIALLURE does not carry moissanite.

A. Lab-grown diamonds are created in a lab over several months. Currently, two manufacturing methods have been established: CVD and HPHT.

A. Artificial diamonds are diamonds that have the same carbon structure as natural diamonds, but are grown in a laboratory. Also called lab-grown diamonds, they are scientifically and physically identical to natural diamonds, and are gaining attention as an option that takes into consideration environmental impact and ethical issues.

A. はい、可能です。ご来店時には実際のダイヤモンドを見比べながら、ラボグロウンダイヤモンド（人工ダイヤモンド）と天然ダイヤモンドの違いをご説明し、ご納得のうえでお選びいただけます。

A. DIALLUREでは、0.3カラット以上のセンターストーンダイヤモンドについては全て国際的鑑定機関であるGIAまたはIGIの鑑定書をおつけしております。

A. はい、可能です。DIALLURE では各種カスタマイズを承っております。ご希望のダイヤモンドシェイプやスタイルがありましたら、お気軽にお問い合わせください。

A. 1組ずつゆったりご相談いただけるように、DIALLUREでは事前のご予約をお願いしております。「来店のご予約へ」のボタンよりご予約ください。

A. はい、可能です。DIALLUREではオンライン相談を通じて、全国のお客様にも婚約指輪をお届けしています。ご来店が難しい場合、LINEもしくはコンタクトフォームより安心してご相談ください。

A. はい、多くのお客様が男性お一人でご相談に来られています。初めてのプロポーズで不安な方でも、DIALLUREが丁寧にサポートしますのでご安心ください。

A. 回答を入力してください。

A. Some designs can be viewed at our showroom in Tokyo. We operate by reservation only, so please make a reservation before visiting us.

A. It depends on the design, but I think you can watch it for about an hour to an hour and a half.

A. For those living far away, we recommend online counseling. We will listen to your wishes and help you get closer to the ring of your dreams. After the consultation, we will propose a design and you will place your order once you like it. Please feel free to apply so that you can purchase with confidence.

A. of course. We value that you are satisfied with your purchase as it is a ring that you will use throughout your life. Please feel free to make a reservation.

A. DIALLUREでは、生涯にわたりジュエリーを慈しんでいただく生涯保証をご用意しております。詳しくは保証のページでご確認ください。