1ct Princess Cut Lab-Grown Diamond Solitaire Necklace (Double-Bail), Pt900/K18

Product Specifications & Dimensions

Product Name / Product Number
1ct Princess Cut Lab-Grown Diamond Solitaire Necklace (Dual-Bail)
Product Number: NEOP001N-LGD
Brand: JEWELRY CASTLE

Stone
Lab-Grown Diamond / Princess Cut / 1 stone
1.0ct (approx. 5.5×5.5mm)
D Color / VVS2
Comes with an IGI certificate. Slight variations in carat weight may occur.

Metal
Platinum: Pendant Pt900 / Chain Pt850
K18 Yellow Gold: Pendant and chain both K18YG
K18 Pink Gold: Pendant and chain both K18PG

Pendant Dimensions
Height approx. 8.5mm × Width approx. 6.5mm × Depth approx. 5.5mm

Standard Chain Specifications
Type: Cable chain
Total Length: 40cm
Thickness: approx. 1.1mm
Chain Material: Pt850 for Platinum, K18YG for K18 Yellow Gold, K18PG for K18 Pink Gold
Chain Features: Includes an adjustment ring at 37cm (adjustable to two lengths: 37cm and 40cm)

Optional chains with adjustable lengths are also available.

Included Accessories
IGI Diamond Grading Report (Certificate)
Jewelry Box
Quality Assurance and Warranty Certificate

Production & Delivery
Made-to-order: Approximately 3 weeks to 1 month from the date of order (once payment method is confirmed). Estimated delivery time will be provided in the order confirmation email.

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 →