Antique 2.50 Carat Colour Change Sapphire and Diamond Halo Engagement Ring in Platinum

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This ring is sumptuous! It features a gorgeous 2.50 carat exquisite colour change Sapphire surrounded by 0.75 total carats of excellent Diamonds, all set in heavy Platinum. This is a rare unheated cushion-cut Sapphire and an extraordinary one at that. It changes from Purple to Blue in colour. We’ve taken pictures outside on a grey, rainy day, and inside, and the colour difference is dramatic, impressive and enchanting. Natural colour change Sapphires are magical and so unique! 

This is an outstanding ring that would thrill absolutely any recipient. It would make a gorgeous engagement ring, right-hand ring or anniversary present! 

Read everything you need to know about Sapphires here and watch our video on Fancy-Coloured Sapphires. 

This ring is a size P (US 7 1/2) and can be sized to fit. If you need an alternate size, please write it in the Notes section upon checkout and we are happy to size it accordingly, free of charge. Please note, re-sizing can add up to two weeks to delivery times and your purchase will still be returnable for a full refund, as per our Refund Policy.

All of our rings come in a beautiful velvet box, as seen in our pictures. Please note the colour you would prefer in the Notes section, or, leave it blank and we’re happy to surprise you with the colour we think will best suit your beautiful new item!

We can accept all major credit and debit cards and you can also checkout using PayPal, click “checkout” to be guided through all the options. 

If you have any further questions about this item, or would like to request more photos, please contact us and we will get back to you as quickly as possible.





Dress / Engagement Ring  




P - can be sized



Centre Stone

Colour Change Blue Sapphire



Carat Weight

2.50 ct




Accent Stones


Total Carat Weight

0.75 ctw