1ct Heart-Shaped Lab-Grown Diamond Necklace

Product Specifications

• Item Number: JD250023N-LGD
• Metal
  Platinum: Top Pt900, Chain Pt850
  Gold: Top and Chain K18 Yellow Gold
• Stone: Lab-Grown Diamond
  Shape: Heart Brilliant Cut (Heart Shape)
  Carat Weight: 1ct
  Stone Size: Approx. 6.5mm (H) x 6.5mm (W)
  Grade: D Color / VVS2
• Design: Heart Shape, Solitaire
• Size (Dimensions)
  Top Front: Approx. 8mm (H) x 6.5mm (W) x 4.6mm (D)
• Standard Chain Specifications
  Style: Cut Cable Chain
  Length: 40cm total (includes adjustment ring at 37cm; 2-step adjustment)
  Thickness: Approx. 1.1mm (wire diameter 0.30mm)
  *Optional lengths of 45cm/50cm and thicknesses of approx. 1.1mm/1.2mm are also available.
• Hallmarks: Metal Purity (Pt900/K18) and Carat Weight
• Included Items
  IGI Grading Report
  Jewelry Box
  Certificate of Authenticity and Warranty

Product-Specific Notes

Please note that there may be slight individual variations in stone dimensions and carat weight. The listed dimensions are approximate. Please contact us regarding changes to chain length or thickness.

Production and Delivery

This item is made to order. Delivery will take approximately 3 weeks to 1 month after your order and payment are confirmed. We will provide a more precise estimated delivery date after confirming your order.

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 →