Frequently Asked Questions

Round brilliant diamonds from 0.18 carats and above are accompanied by a GIA report. Fancy-shaped diamonds from 0.30 carats and above are also accompanied by a GIA report under S.Diamond's current certification standard.

Jewelry featuring diamonds below these thresholds is provided with an S.Diamond Certificate confirming the piece's details and diamond authenticity.

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Yes. You can visit S.Diamond to view and compare selected natural diamonds in person, including shape, visible size, color, clarity, proportions and grading-report details before making your decision.

Yes. You may bring a reference design or work with the S.Diamond team to develop a bespoke ring, necklace, earrings or another fine-jewelry piece. Design details can be adapted to suit the selected diamond, proportions and intended wear.

Standard production is approximately 4–6 weeks, depending on the type and complexity of the piece. Selected designs may be available on an express basis from approximately one week, subject to design, materials and production availability.

New purchases resized at the boutique: typically around 2–3 hours, depending on the ring design and workshop queue.

Previously worn rings: typically around 10 business days, as the piece is inspected for structural integrity and stone security and refinished as appropriate.

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Diamond or gold jewelry

Soak the piece in warm water with a small amount of mild dish soap for approximately 5–10 minutes. Clean gently with a soft brush, rinse carefully and dry with a soft cloth.

Gemstone jewelry

Avoid ammonia and harsh chemicals. Different gemstones require different care, so when in doubt, have the piece professionally assessed before cleaning.

Pearl jewelry

Avoid perfumes, lotions and harsh chemicals. After wearing, gently wipe pearls with a clean, soft, dry cloth.

Yes. S.Diamond provides complimentary lifetime jewelry cleaning. A routine in-store cleaning generally takes approximately 10–15 minutes, depending on the condition of the piece and service queue.

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Rhodium plating on white gold naturally wears with use. The appropriate interval depends on how frequently the piece is worn and its condition; inspection and re-plating may commonly be considered around every 6–12 months when needed.

You can purchase at an S.Diamond boutique or contact our team through S.Diamond's online channels. For diamond comparison or bespoke consultations, contacting the team in advance can help us prepare suitable options for your visit.

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S.Diamond applies consistent product pricing and promotions across its online and boutique channels, subject to the terms of the promotion in effect at the time.

Available methods include cash, bank transfer, online payment and credit card. Available options may vary depending on how and where the order is placed.

S.Diamond after-sales care includes complimentary lifetime cleaning, jewelry inspection, polishing and plating services, as well as jewelry renovation and redesign. Service details and any applicable charges depend on the piece and its condition.

Yes. The S.Diamond team can advise on creating a new design around an existing diamond. The diamond and original piece will first be assessed so the team can recommend a suitable design and production approach.

Under S.Diamond's currently published policy, the brand does not offer a buy-back service, helping ensure that clients receive newly made pieces. If you would like to change a design, you may consult the team about redesigning a new piece around your original diamond.