100% Natural Earth-Mined Diamonds
All our fine diamond jewelry collection are made with 100% Natural Earth-Mined Diamonds.
FREE Safe, Secured & Insured Shipping
We offer complimentary shipping on all our fine jewelry collection.
Every shipment is fully insured and carefully packaged to ensure your jewelry arrives safely and beautifully. For your security, an adult signature is required upon delivery.
Orders typically ship within 1–5 business days after payment verification.
All our ready-made fine jewelry rings are at size 6.5US Please allow an additional 5–10 business days for resizing, depending on the complexity of the design and our current workshop schedule.
FREE 30-Day Returns
At Mon Dieu, we want you to love every piece you receive. If your purchase isn't quite right, eligible items may be returned within 30 days of delivery for a refund or exchange.
To qualify for a return, your item must be:
- Unworn and in its original condition
- Returned with all original packaging, tags, and included materials
- Accompanied by proof of purchase
- Resized rings are not qualified for returns
Once your return request is approved, your item must be shipped within 7 days using the provided return instructions. Learn more
FREE Ring Resizing up to Size 9 US
We proudly offer FREE ring resizing for all rings purchased from Mon Dieu Jewelry up to US Size 9.
- US Size 6.5 → US Size 9: Complimentary
- US Size 9.5 and above: Additional resizing fee applies
If your required size is above US Size 9, please contact our team before placing your order so we can provide a quotation.
Processing Time
Resized rings require additional craftsmanship before shipment.
Please allow an additional 5–10 business days for resizing, depending on the complexity of the design and our current workshop schedule. LEARN MORE
