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The Cosima 18ct Yellow Gold Ring with 1.01ct Cushion Cut Yellow Diamond & 0.27ct Diamond Halo

$10,697 AUD$11,885 AUD Save $1,188

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This one-of-a-kind piece is available now for shipping or boutique collection.

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A radiant ode to timeless romance, the Cosima Ring enchants with antique-inspired charm and luminous beauty.
Handcrafted in 18ct yellow gold, it showcases a 1.01ct cushion-cut yellow diamond in a milgrain bezel setting, framed by a halo of 22 white diamonds totalling 0.27ct.
Its tapered band and intricate detailing make it perfect for everyday elegance, proposal moments, or heirloom layering.
A poetic choice for marking milestones or gifting a future treasure.

18ct Yellow Gold

Focal Diamond:
1.01ct Cushion Cut P/I1 Yellow Diamond

Accent Diamonds:
22 Round Brilliant Cut Diamonds
0.27ct Total Diamond Halo Weight

1.28ct Total Diamond Weight

Bezel Set
Half Rounded Band

Current Size: N

Love it, but it's not quite right? Contact us to create a bespoke piece inspired by this design, tailored to your vision.

Prefer a white gold look?
We offer rhodium plating to create a cooler, silvery tone.

Not sure of the perfect size? Many customers purchase the ring in its current size, then claim a complimentary resize after gifting or the wearer tries it on.

We offer one complimentary ring resize on all Atelier & Vintage rings within two months of purchase.

If you'd rather resize later, simply select 'current size' now and contact us when you're ready.

Shipping:

Orders can take 2-3 business days to process before shipping. As soon as your package has left our warehouse, you will receive a confirmation by email.

  • Australian shipping: Enjoy free express shipping on all orders over $79
  • International shipping: Enjoy free express shipping on all orders over $250
  • Insurance: All orders over $350 are covered by complimentary insurance
  • Click & Collect: Shop online and pick up your purchase in-store at no extra cost.
  • See here for our full shipping policy.

Returns:

  • Ready-to-ship returns: We offer exchanges or store credit on any purchases made in-store or online (excluding final sale items) within 14 days of purchase.
  • Custom jewellery: We are unable to offer exchanges or refunds on any custom, made-to-order, or resized jewellery.
  • See here for our full refund policy.

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