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MiaDonna offers ethical engagement rings and stunning fine jewellery crafted with the world's finest lab-grown diamonds, providing guilt-free luxury for conscious consumers.
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MiaDonna has established itself as a leader in the ethical jewellery movement, offering exquisite engagement rings and fine jewellery crafted with the world's finest lab-grown diamonds. Founded on principles of transparency and sustainability, MiaDonna provides a guilt-free luxury alternative to traditionally mined diamonds. Their commitment extends beyond beautiful craftsmanship; as a B Corp certified company, they uphold rigorous standards for social and environmental performance, ensuring every purchase supports a more responsible future. MiaDonna is not just a jewellery brand; it's a statement of conscious consumerism, proving that luxury and ethics can beautifully coexist.
What sets MiaDonna apart is their unwavering dedication to lab-grown diamonds. These diamonds possess the identical chemical, physical, and optical characteristics of their mined counterparts, offering the same brilliance and durability without the environmental and ethical concerns. By choosing MiaDonna, customers contribute to a positive impact, as the brand actively plants a tree with every order, reinforcing its commitment to environmental stewardship. This blend of exceptional quality and profound purpose makes MiaDonna a preferred choice for those seeking meaningful and sustainable jewellery.
Explore a stunning selection of jewellery designed for life's most precious moments. MiaDonna specialises in ethical engagement rings, available in a myriad of styles from classic solitaires to contemporary designs, all featuring brilliant lab-grown diamonds. Beyond engagement, their collection includes a diverse array of fine jewellery such as elegant necklaces, sophisticated earrings, and timeless bracelets, perfect for everyday wear or special occasions. Each piece is meticulously designed to highlight the inherent beauty and sparkle of their premium lab-grown diamonds, ensuring lasting elegance and value.
Shopping with MiaDonna is designed to be as enjoyable and reassuring as possible. They offer free U.S. shipping and a comprehensive 60-day free returns policy, providing peace of mind with every purchase. While based in the US, MiaDonna caters to a global clientele, including those looking to buy lab-grown diamonds in the UK. Their commitment to customer satisfaction and ethical practices makes them a trusted destination for high-quality, sustainable jewellery. Discover the perfect piece that reflects your values and celebrates your unique story with MiaDonna.
MiaDonna is headquartered in Portland, Oregon, USA, with 1 locations.
MiaDonna offers free U.S. shipping. For international orders, including to the UK, please refer to their website for specific shipping costs and delivery times.
Returns Policy
MiaDonna provides free 60-day returns on most items. Please check their website for full details and any exclusions.
Headquarters
Portland, Oregon, USA
Number of Stores
1
MiaDonna is B Corp certified and exclusively uses lab-grown diamonds, which have a significantly lower environmental impact than mined diamonds. They further commit to sustainability by planting a tree with every order.
Lab-grown diamonds are real diamonds, identical in chemical, physical, and optical properties to mined diamonds. They are created in a controlled laboratory environment, offering a sustainable and ethical alternative without the environmental impact of traditional mining.
Yes, MiaDonna is B Corp certified, signifying their high standards of social and environmental performance. They exclusively use lab-grown diamonds and plant a tree with every order, ensuring a positive impact.
MiaDonna offers a free 60-day return policy on most items. Please refer to their website for full terms and conditions and any exclusions.
MiaDonna offers free U.S. shipping. For international shipping, including to the UK, please check their website for specific details on shipping costs and delivery times.
MiaDonna has a flagship boutique located in Portland, Oregon, USA, where customers can experience their fine jewellery in person.
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Be the first to write a review| Standard Delivery | MiaDonna offers free U.S. shipping. For international orders, including to the UK, please refer to their website for specific shipping costs and delivery times. |
| Free Delivery | Not available |
| Click & Collect | Not available |
| Returns Policy | MiaDonna provides free 60-day returns on most items. Please check their website for full details and any exclusions. |
| Student Discount | Not available |
| NHS Discount | Not available |
| Military Discount | Not available |
| International Shipping | Available |
| Payment Methods | Visa, Mastercard, American Express, PayPal |
| Headquarters | Portland, Oregon, USA |
Last updated: June 2026
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