【Pre-Order】London Blue Topaz Round Necklace – 925 Sterling Silver, Rhodium Plated

SMUK is a Tokyo-based sustainable jewelry brand founded on the philosophy of "Less trash, more marine life" and "Save Wildlife."

Crafted from high-quality sterling silver (925), our pieces are beautifully finished with rhodium or 18K gold plating. We also offer 14K solid gold jewelry, along with refined lines featuring natural gemstones carefully sourced from around the world.

• Due to the nature of the manufacturing process and materials, slight variations in color, shape, or size may occur between individual items. We appreciate your understanding.
• Items made with natural materials each have their own unique character in pattern, color, and inclusions. Product photos are for reference only, and the actual item may differ slightly in appearance and texture.
• While we make every effort to reproduce the true colors as accurately as possible, the appearance may vary depending on lighting conditions and your monitor settings.
• Pre-order items require advance payment and cannot be cancelled once the order has been placed.
• We are unable to accept returns or exchanges for the reasons stated above. In the unlikely event that an item arrives defective or damaged, we will assist you in accordance with our return and refund policy. Before placing your order, please be sure to review our ［Return & Refund Policy］ and ［Shipping Information］.

Pre-order items are products that are currently in production or awaiting restock and cannot be shipped immediately. Please review the following points carefully before placing your order.

• We reserve your stock once the order is confirmed; however, the shipping date may vary depending on production and logistics conditions.
• Payment is required in advance, and orders cannot be cancelled or returned once placed.
• If you order regular items and pre-order items together, all items will be shipped together once everything is ready. If you need the in-stock items sooner, please place separate orders.
• The estimated shipping date is listed on each product page, but it is only a guide and does not guarantee the delivery date.
• In the unlikely event of a production discontinuation or a significant stock shortage, we will contact you individually to arrange a cancellation or refund.
• Changes to an order after it has been placed (item, quantity, shipping address, etc.) cannot be accepted, so please review your order carefully before confirming.

■ Estimated Delivery

▼ Domestic (Japan) | Flat rate ¥500

※ Free shipping on orders over ¥10,000.

Delivered approx. 2–3 business days after your order.

▼ International

・Asia: approx. 4–7 business days | Flat rate ¥3,000

・Other regions: approx. 7–14 business days | Flat rate ¥6,000

■ Dispatch

・Orders before 10:00 AM: same-day dispatch

・Orders after 10:00 AM: same day or next business day

※ Excluding weekends, public holidays, and year-end/New Year.

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You can track your order via the link in the "Shipment Confirmation Email" sent after dispatch.

▶ Learn more about shipping

[Payment Methods]
・Immediate payment: Credit card / PayPal / PayPay / Apple Pay / Google Pay
・Deferred payment: Bank transfer / Convenience store payment / Pay-easy

[Payment Timing]
・Immediate payment: Payment is completed when your order is confirmed, and we begin preparing your shipment right away.
・Deferred payment: Please complete payment within 3 days of your order date. Your item will be shipped once payment is confirmed.

※ A separate handling fee of 220 yen (tax included) applies to convenience store and Pay-easy payments.

Sterling Silver 925 | In Harmony with Nature

At SMUK, we believe in the power of nature.
That is why we value the intrinsic qualities of our materials and have chosen Sterling Silver 925 as our primary material.
Just like natural gemstones, silver is believed to carry a gentle, nature-derived energy. Throughout history, it has been associated with intuition, emotions, and protection, quietly accompanying people in their everyday lives.
In recent years, jewelry made from stainless steel or brass with a silver-colored coating has become increasingly common. Although they may look similar, differences in the materials themselves can make a significant difference in skin compatibility and wearing comfort.
At SMUK, we carefully select our materials with honesty and integrity, down to the details you cannot see, to create jewelry that feels comfortable and can be cherished for years to come.

▼ Discover More
"Why Sterling Silver 925: Jewelry in Harmony with Nature"

SMUK uses four types of plating finishes, selected according to the materials and intended use of each piece of jewelry.

• Rhodium Plating
  A finish made with a rare precious metal from the platinum group. It offers excellent resistance to tarnishing and scratches, with a clear, bright silver tone. Suitable for those with sensitive skin.
• 18K Gold Plating
  A finish made by coating sterling silver with 75% pure gold. It creates a rich, warm gold tone.
• 14K White Gold Plating
  A white gold finish with 58.3% pure gold content. Its soft, elegant white tone pairs beautifully with pearls and delicate designs.
• Gold Vermeil
  A finish featuring a thick gold layer of at least 2.5 microns over a Sterling Silver 925 base. It offers greater durability than standard plating, allowing its brilliance to last longer.

Learn more:
Jewelry Plating Guide