Celtic Engagement Ring – Avalon Blue Diamond Puzzle Ring with 4mm Shadow Band, Platinum

Celtic Engagement Ring – Avalon Blue Diamond Puzzle Ring with 4mm Shadow Band, Platinum


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  • Guaranteed Fit
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Item # ABD-PLSHB-17442

Cool and sparkly is a bright blue diamond in an Avalon four-band puzzle ring with an open weave and a 4mm wide shadow band. A Celtic knotwork inspired puzzle weave suggests the never-ending love in your marriage. 

A working puzzle ring, styled after legendary Celtic knotwork rings, this ring comes apart and goes back together easily with the video, animated, and written instructions we provide under a link below on this page. Rarely will you find a diamond engagement ring that will provide such fun and fascination.

Your puzzle ring will be hand-woven, in contrast to the majority of puzzle rings which are cast from molds. Our brilliant puzzle ring artist will custom weave your engagement ring precisely for the very stone you select, its very shape and size, so your puzzle ring will be a true, one-off original.

Your options: The base price on this page is for this bridal set in platinum with a half carat (.47CT to .52CT) diamond in the VS clarity range and with a 4mm wide shadow band. Please contact us for a larger diamond. Available in whole, half, and quarter sizes 3 – 9.5; other sizes upon request.

If you wish to have hand-engraving on your shadow band, please place a note in the comments field of your order requesting a quote. Type in the words or characters you want, and we will respond after receiving your order. Along with your quote, we will provide several Medieval or Renaissance era fonts from which you may choose. If you prefer a contemporary font, please add a comment during check out. 

This bridal set is artisan-crafted to your order in the U.S.


When you use our ring sizer prior to our making your ring, we guarantee your fit. You may order the sizer before you order your ring. Or when you order your sizer at the time of your ring order, we’ll hold your order until you confirm your size by email. 

Once you’re used our sizer, if we deliver your ring, and it does not fit, we pay for the round-trip shipping for your free ring resize or replacement within the U.S. and provide a discount for overseas shipping.

There are two ways to request our sizer:
1. Order your ring sizer for a modest fee before you order your ring(s): Order your ring sizer here.
2. Request a sizer as part of your order at the time that you order your ring(s), and we will hold your order, send your sizer, and wait for an email from you with your size(s).
In either case, we will mail a ring sizer to you promptly. This is a physical, plastic set of rings in whole and half sizes that you can play with until you are certain you have a correct size. And if you find one plastic ring is too big and one is too small, we can make a quarter size for you. Please follow our included instructions for best fit.

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Blue diamond size

Used our bridal set ring sizer?

Puzzle ring size (3 – 9.5)

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