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IMPORTANT SHIPPING INFORMATION: Sigma will be closed on 4 July 2025 in observance of the USA holiday. Book products will resume shipping on 7 July 2025. Jewelry products will resume shipping on 14 July 2025. We apologize for any inconvenience this may cause.
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By creating an account on our website, you will be able to shop faster, be up to date on an order's status, and keep track of the orders you have previously made.