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Engagement
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    ATERNA Cushion

    Lifetime Guarantee

    We recognize the importance of providing superior products and ensuring the highest quality jewelry from the day you receive it to the years to come. That is why we offer a Lifetime Guarantee on our Loose stones for your total peace of mind.

    Diamanti Stone Coverage
    We stand behind the quality and craftsmanship of our stones and offer a complimentary Lifetime Guarantee. Our Lifetime Guarantee covers color and optical properties of brilliance and fire change. See our Lifetime Guarantee page for full details.

    Shipping / Delivery

    We proudly offer global worldwide shipping to Canada, United States, UK, France, Ireland, Mexico, Spain, China, Italy, Australia, just to name a few.

    Receive FREE Shipping Anywhere in Canada, USA & Mexico on All Orders.
    International orders receive a discounted rate calculated automatically by our system at checkout.

    When can I expect my Delivery?
    Our products are individually hand-made (never mass Produced) and meticulously hand-set for superb quality and workmanship. Available stocked items usually ship within 2 - 3 business days. Special Order sizes and cuts may take 2-3 weeks to complete plus shipping time.

    • You will be provided an Estimated Completion Date when your item officially goes into production. Most orders ship soon after the Estimated Completion Date, while some orders may take additional time, depending on the item specifics and quality control.

    If you require this item for a specific date, please add your details to the comment section at checkout or contact us for RUSH options at service@quorri.com.

    Financing

    Pay Over Time With Affirm

    Experience the flexibility of spreading your purchase over monthly payments with no hidden or late fees. As low as 0% APR.

    Select the Affirm payment method at checkout.

    Don't want to finance? Ask us before ordering about breaking the cost into equal payments.

    The Diamanti ATERNA® Cushion possess 104 sparkling facets that shine and shimmer even in the lowest levels of light. Because these are relatively rare, this shape is for someone who wants something few people possess. The modern cushion shape is based on an antique cushion cut, which is a combination of round and square outline with a softened square or "pillow" shape.

    Superbly Engineered in our state-of-the-art laboratories using our latest advanced patent rough processing, we achieve a colorless, pure, unique mix that gives the Aterna its diamond-like durability (9.50 Mohs) and incredible sparkle. The proprietary process for creating a single tailor-grown Aterna® Gem can take up to three months. Because of the high carbon content, it will test positive for a diamond on most diamond testers and pass the fog and transparency test. Like a diamond, it can handle the high stresses of being worn daily.

    Each ATERNA is hand-faceted and cut by hand by our master diamond cutters to Ideal/Excellent proportions, guaranteeing the highest light reflection entering the stone. Without exception, these features clearly make the Aterna the most advanced and genuine diamond quality stone in the marketplace today.

    Quorri Excellence


    ATERNA PASSES DIAMOND TESTING

    Personalized Consultation

    If you require expert guidance or want to personalize your item with a different Size, Shape or Color, you can do so by sending us a message. If you do not receive a response within 48 hours, check your spam folder or email us directly at contact@quorri.com