FAQs

Quality & Ethics
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DEMAIN diamonds are state-of-the-art, lab-grown, and ethically sourced. They are chemically, physically, and optically identical to mined diamonds but come without the environmental and ethical concerns associated with traditional diamond mining.
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Yes, lab-grown diamonds are 100% real diamonds. They are created in controlled environments that mimic the natural diamond-growing process, ensuring the same brilliance and durability as mined diamonds.
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We prioritize eco-friendly practices by using renewable energy in our diamond cultivation process and maintaining a transparent supply chain free of conflict and environmental harm.
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We accept payments from major credit card companies like Visa, Mastercard, and American Express.
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By choosing DEMAIN, you support sustainable and conflict-free diamond production, helping to preserve the environment and promote ethical labor practices.
Shipping & Delivery
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We offer free standard shipping for all orders within the United States and France. Expedited shipping options are also available at an additional cost.
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Yes, DEMAIN ships worldwide. International shipping fees and delivery times will vary depending on the destination.
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For standard shipping, delivery takes 5-7 business days within the U.S. and France. International orders may take 10-14 business days, depending on customs clearance.
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Yes, once your order is shipped, you will receive a tracking number via email, allowing you to monitor its journey in real time.
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If your package is delayed or lost, please contact our customer service team immediately. We will work with the carrier to resolve the issue and ensure you receive your order.
Warranty & Repair
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Yes, all DEMAIN jewelry comes with a lifetime warranty against manufacturing defects. This covers issues such as loose settings and faulty clasps.
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Our warranty does not cover damage caused by accidents, improper care, or unauthorized modifications. Regular wear and tear are also not covered.
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The extended warranty could come at a different cost depending on the type of product and extended period.
Please get in touch for more information.
Returns & Refunds
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Yes, we offer full and partial refunds.
Please enquire for more information about our Refund policy. -
A refund request can be submitted within a month after the purchase is made.
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In the case when theproduct and packaging are unopened and undamaged, you areeligiblefor a full refund.
In the case whenthe packaging has been opened and the product has been used, you areeligiblefor a partial refund.
In the case when aproduct has been damaged, and the damage is not covered by your warranty, you arenot eligiblefor a refund.
Please check our Terms of Service to see if you're eligible for a refund.
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When an order does not include free shipping, all shipping costs (including the return shipping) are handled by the customer.
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When an order includes free shipping, only the cost of the return shipping is handled by the customer.