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If you already have a ring that fits them, the simplest method is to measure its inside diameter and match it to a sizing chart. If you do not have one, use a printable ring sizer or a plastic ring sizer and measure at the end of the day when your fingers are at their most normal size.

A few quick notes that prevent mistakes:

• Measure when hands are warm, cold fingers read smaller.
  
• If you are between sizes, consider sizing up slightly for a wider band.
  
• Planning a surprise proposal? Order your best estimate, and we can help with a resize after.

Your ring is custom-made to order. Please allow up to 25 days for production, quality inspection, and delivery. Once your ring ships, you will receive tracking by email.

Once your order is confirmed, we start crafting, and you will receive an update when it moves into production, and again when it ships.

If you have a proposal date, tell us before you order. We will confirm the most realistic timeline for your ring and advise on the best options.

We want you to love your ring. If it's not quite right, we've got you covered.

Diamo offers a 14-day return window from the day your item is fulfilled*. We will make it as easy as possible. Just write to us at concierge@diamo.co to receive your free return shipping label.

To learn more about eligible returns, please check out the Returns and Exchanges Policy page.

As soon as your ring ships, we will email you a tracking number. You can use it to follow your package and see the latest delivery estimate.

Email us at concierge@diamo.co and tell us what you are deciding, your ring style, diamond shape, and your timeline. We will reply with clear guidance so you can order with confidence.