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Keep in mind this stone is magnified approx 100 times compared to what you see with your naked eye, so you won’t be seeing all the detail you see here!

Blue Sapphire

B228 | OCTAGONAL CUT | 2.57 CARAT

$5,050

This substantial 2.57ct blue Sapphire has a wonderfully moody depth, with rich inky colour through the centre and vivid flashes of brighter blue appearing around the edges. While it is not formally classified as royal blue, it certainly carries some of those regal intonations, especially when the light wakes up its more saturated notes. At this size, she has real presence: stately, sophisticated and not exactly the shy type.

Its bold octagonal shape gives the stone a strong architectural character, with clipped corners and broad facets that suit its impressive proportions beautifully. This would make a commanding centre stone for a bespoke Sapphire engagement ring or a future heirloom with a more contemporary edge. Platinum or white gold would keep the look sleek and tonal, while yellow gold would create a rich contrast.

Want to see more? Get in touch for additional photos or videos, or to explore what we could design around this Sapphire.

Gemstone Details

ID Number: B228
Origin:
Height:
Width:
Depth:
Carat:
Colour:
Cuts/Shapes:
Treatment:

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Bespoke doesn’t mean complicated.

We guide you through the process from first idea through to final piece, translating your thoughts into something tangible and beautifully resolved.

You’ll see your design come to life through CAD visuals before it’s crafted, giving you clarity and confidence every step of the way.

The result? Jewellery that feels considered, cohesive, and deeply personal.

We’ve put together some FAQ’s to help you with any questions!

If you need to know more, get in touch or contact us via chat…

Our products are all made in NZ and we stand by the quality and workmanship that has gone into creating your perfect piece.

We proudly offer a lifetime warranty for the workmanship on every ring we create.

What our
customers say...

Proposed last week and very happy to report that she said 'Yes' and also that she absolutely loves the ring! Can't stop talking about it, taking pictures of it in different lights, showing it off to all the friends...so I think its fair to say we did ok there. Thanks again for all your help with the design, we aced it!

TOM, CHRISTCHURCH NZ
We just arrived home sweet Celeste. I had to stop and have another cry. So in owe of the TLC and how precise it is to the original.
Thank you Thank you Thank you!

VIV, AUCKLAND NZ
Absolutely in love with my engagement ring ❤️ the team at Hart & Halo nailed it 🥰 the perfect diamond ring!

PHILLIPA, AUCKLAND NZ
Thank you so much for your most professional, beautiful, kind, most detailed advice, support and memorable input in my life - I can't find anymore words to express my gratitude to you!

MELISSA, MT MAUNGANUI NZ
I would just like to say thank you again so much with everything you did to get the ring sorted and just how I wanted it! You made everything alot easier to deal with and make decisions on considering I had no idea what I was doing!

HENRY, AUCKLAND NZ

Description

This substantial 2.57ct blue Sapphire has a wonderfully moody depth, with rich inky colour through the centre and vivid flashes of brighter blue appearing around the edges. While it is not formally classified as royal blue, it certainly carries some of those regal intonations, especially when the light wakes up its more saturated notes. At this size, she has real presence: stately, sophisticated and not exactly the shy type.

Its bold octagonal shape gives the stone a strong architectural character, with clipped corners and broad facets that suit its impressive proportions beautifully. This would make a commanding centre stone for a bespoke Sapphire engagement ring or a future heirloom with a more contemporary edge. Platinum or white gold would keep the look sleek and tonal, while yellow gold would create a rich contrast.

Want to see more? Get in touch for additional photos or videos, or to explore what we could design around this Sapphire.

Additional information

Colour

Cut/Shape

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