1ct 4-Prong Lab-Grown Diamond Necklace

Product Specifications

• Product Number: JD250020N-LGD
• Metal
  Platinum: Pendant Pt900 / Chain Pt850
  Gold: Pendant and Chain K18 Yellow Gold
• Stone: Lab-grown diamond
  Shape: Round Brilliant Cut
  Carat Weight: 1ct
  Stone Dimensions: Approx. 6.5 x 6.5mm
  Grade: D color / VVS2–VVS1 / 3EX (H&C)
• Design: 4-prong solitaire
• Dimensions
  Pendant Face: Approx. 6.5mm (H) x 6.5mm (W)
  Bail: Outer diameter approx. 3mm / Inner diameter approx. 2mm
• Standard Chain Specifications
  Style: Venetian or Cable chain
  Length: Total length 45cm (adjustable sliding mechanism)
  Thickness: Venetian approx. 0.7mm / Cable approx. 1.1mm
  *Optional Venetian (45cm, approx. 0.8mm) and Cable (45cm, approx. 1.2mm) chains are also available.
• Hallmarks: Metal purity (Pt900/K18) and carat weight
• Accessories
  IGI Grading Report
  Jewelry box
  Quality guarantee and warranty card

Product Notes

Stone dimensions and carat weight may vary slightly. Stated dimensions are approximate. Please contact us regarding changes to chain length or thickness.

Production and Delivery

This is a made-to-order item. Delivery will take approximately 3 weeks to 1 month after order confirmation and payment. We will provide a specific delivery date once your order is confirmed.

As this is a made-to-order item, cancellations are not accepted after the order is placed, and returns are not accepted after delivery.

What are Lab-Grown Diamonds

About Diamond Quality

We offer free nationwide shipping within Japan, including Okinawa and remote islands.

For made-to-order items, the estimated delivery time is approximately 3 weeks to 1 month after your order and payment are confirmed. Please check the information for each specific product regarding stock items and individual delivery times.

Once your order has shipped, we will provide a tracking number so you can check the delivery status.

Your order will be delivered in simple gift wrapping, with a ribbon tied around the jewelry box. A shopping bag for gifting is also included.

You may also choose a message card. We can print a custom message on the back of the card.

You can use the following payment methods.

■ Credit Card
Visa/Mastercard/American Express/JCB

■ Other Payment Methods
Shop Pay/Apple Pay/Google Pay

Please select from the methods displayed on the checkout screen when completing your purchase.

If you have any questions regarding payment, please contact us before placing your order.

■ Returns and Exchanges Due to Customer Convenience
We do not accept returns or exchanges due to customer convenience for made-to-order items, special order items, custom-made products, items that have undergone processing such as engraving or resizing, and earrings.

For eligible return items, please contact us within 8 days of receipt. Shipping costs for returns due to customer convenience are at the customer's expense.

■ Cancellations
If you wish to cancel your order, please contact us promptly. Please note that cancellations may not be accepted once production, procurement, or processing has begun.

■ Initial Defects or Incorrect Shipments
Please contact us within 8 days of receipt. We will handle the matter after confirming the situation. The costs for return shipping and re-shipment in cases where we are responsible will be covered by our shop.

For more details, please check our "Return and Refund Policy."

To ensure you can enjoy your precious jewelry for years to come, we offer various repair and after-sales services after your purchase.

Whether a repair is possible and its cost depends on the type and condition of the product. Please check the details below for information on warranty coverage, estimated repair costs, and the service process.

After-sales Service and Repairs →