Callista Halo – 1.00ct Lab Grown Diamond Circle Necklace
The Callista Halo is a symbol of continuity, strength and modern elegance.
Designed in Birmingham’s Jewellery Quarter, this sculpted diamond circle necklace features a curated composition of round, pear, marquise and emerald-cut lab grown diamonds, totalling 1.00 carat. Each diamond is individually claw-set along a polished gold arc to form a complete halo — representing infinite connection and enduring brilliance.
Crafted in your choice of 9ct or 18ct white, yellow or rose gold, the Callista Halo rests delicately along the neckline while offering unmistakable presence.
This is contemporary fine jewellery — architectural, balanced and intentionally designed.
Details:
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Total Diamond Weight: 1.00ct
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Diamond Type: Premium Lab Grown Diamonds
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Metal Options: 9ct or 18ct White, Yellow or Rose Gold
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Setting Style: Mixed-cut diamond halo
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Designed & finished in Birmingham’s Jewellery Quarter
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Part of the Astella Callista Collection
The Callista Halo is for women who value meaning in their jewellery — refined, powerful and effortlessly modern.
Not sure where to begin? Book a consultation and we’ll guide you to the perfect piece.
All Astella pieces are handcrafted to order, ensuring every detail is made with care and precision. Please allow 4–6 weeks for delivery from the date of purchase.
We offer a bespoke design service, allowing you to bring your vision to life. From subtle details to bold statements, our designers will work with you to create a piece that’s truly personal. Click here to schedule an online or in-person consultation with our experts.
All Astella orders arrive in our signature gift box, finished with our branded ribbon and bow. For discretion and added security, all outer packaging is unbranded.
The Callista Halo is a symbol of continuity, strength and modern elegance.
Designed in Birmingham’s Jewellery Quarter, this sculpted diamond circle necklace features a curated composition of round, pear, marquise and emerald-cut lab grown diamonds, totalling 1.00 carat. Each diamond is individually claw-set along a polished gold arc to form a complete halo — representing infinite connection and enduring brilliance.
Crafted in your choice of 9ct or 18ct white, yellow or rose gold, the Callista Halo rests delicately along the neckline while offering unmistakable presence.
This is contemporary fine jewellery — architectural, balanced and intentionally designed.
Details:
-
Total Diamond Weight: 1.00ct
-
Diamond Type: Premium Lab Grown Diamonds
-
Metal Options: 9ct or 18ct White, Yellow or Rose Gold
-
Setting Style: Mixed-cut diamond halo
-
Designed & finished in Birmingham’s Jewellery Quarter
-
Part of the Astella Callista Collection
The Callista Halo is for women who value meaning in their jewellery — refined, powerful and effortlessly modern.
All Astella pieces are handcrafted to order, ensuring every detail is made with care and precision. Please allow 4–6 weeks for delivery from the date of purchase.
We offer a bespoke design service, allowing you to bring your vision to life. From subtle details to bold statements, our designers will work with you to create a piece that’s truly personal. Click here to schedule an online or in-person consultation with our experts.
All Astella orders arrive in our signature gift box, finished with our branded ribbon and bow. For discretion and added security, all outer packaging is unbranded.
Frequently asked questions
Astella jewellery is crafted using precious metals, including platinum, yellow gold, white gold and rose gold. We work with responsibly sourced diamonds and gemstones, selecting materials for their quality, durability and timeless appeal across all collections. Explore our metal guide to learn more about the materials used in Astella jewellery.
Yes. All Astella diamonds are independently certified by recognised grading laboratories. Every piece is crafted to high standards and supported by our commitment to quality and aftercare. Explore The Astella Promise to learn more about certification, guarantees and aftercare.
Yes. Astella offers a bespoke jewellery service, allowing you to personalise or commission a custom-made piece tailored to your vision. From stone selection to design refinement, our specialists guide you through every stage of the process. Explore bespoke jewellery to begin creating something truly personal.