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MiaDonna

MiaDonna

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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About MiaDonna: Pioneers in Ethical Lab-Grown Diamonds

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.

The MiaDonna Difference: Sustainability and Quality

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.

MiaDonna Product Range Highlights

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.

Your MiaDonna Shopping Experience

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.

Shipping & Returns

International Shipping

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.

Company Information

Headquarters

Portland, Oregon, USA

Number of Stores

1

Payment Methods
Visa
Mastercard
AMERICANEXPRESSAmerican Express
PayPalPayPal
Sustainability

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.

Frequently Asked Questions

What are lab-grown diamonds?

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.

Is MiaDonna jewellery ethical and sustainable?

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.

What is your returns policy?

MiaDonna offers a free 60-day return policy on most items. Please refer to their website for full terms and conditions and any exclusions.

Do you offer international shipping?

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.

Where is MiaDonna located?

MiaDonna has a flagship boutique located in Portland, Oregon, USA, where customers can experience their fine jewellery in person.

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MiaDonna Quick Facts

Standard DeliveryMiaDonna 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 DeliveryNot available
Click & CollectNot available
Returns PolicyMiaDonna provides free 60-day returns on most items. Please check their website for full details and any exclusions.
Student DiscountNot available
NHS DiscountNot available
Military DiscountNot available
International ShippingAvailable
Payment MethodsVisa, Mastercard, American Express, PayPal
HeadquartersPortland, Oregon, USA

Last verified: April 2026