Make it Yours.

Choose your preferred diamond size, color, clarity, and metal - from 18K or 14K gold to sterling silver. Each selection is made to order, crafted with Blanc Lune’s signature precision and care.

Your customization begins once you submit your preferences and a $100 design deposit, which is applied toward your final purchase. Our team will confirm your details and prepare a tailored sketch or rendering before your piece goes into production.

Custom Jewelry Piece

Custom Jewelry Piece

Sale price¥16,200

Contact

We’re Here to Help

We want your experience to be as seamless and beautiful as the jewelry itself. Whether you have a question about your order, our collections, or our process, our team is here to support you.

Customer Care

📧 Email: hello@blanclune.com

🕒 Hours: Monday–Friday, 9 AM – 6 PM EST

Returns & Exchanges

Need to start a return or exchange? Visit our [Returns Center] to begin the process.

Press & Partnerships

For all press inquiries, collaborations, or partnerships, please contact: hello@blanclune.com

 

How it Works

Submit your vision

Share your desired style, metal, gemstone, and details at checkout.

Confirm with a $100 deposit

This non-refundable deposit covers your initial custom sketch and design consultation.

Receive your custom drawing

Our designers will create a detailed hand sketch of your piece within 5–7 business days.

Approve & craft

Once approved, we’ll provide a quote and begin crafting your bespoke Blanc Lune jewelry.

The Details

  • $100 design deposit applied toward your final purchase
  • Includes one complimentary revision to your initial design sketch
  • Typical production timeline: 4–6 weeks after final approval
  • Each custom order is designed, sketched, and finished with Blanc Lune’s signature craftsmanship

Lab-Grown Diamonds with Proven Integrity

Brilliance, Reimagined

At Blanc Lune, we believe beauty and responsibility belong together. Our lab grown diamonds are identical in composition to those formed in the earth—crafted with innovation, clarity, and care. They radiate the same brilliance, but with a lighter footprint and a story aligned with the future.