3 carat radiant cut diamond engagement ring in platinum Raphana Jewellery New Zealand
3 Ct Radiant Cut 18K Yellow Gold & Platinum - Raphana Jewellery
3 Ct Radiant Cut 18K Yellow Gold & Platinum - Raphana Jewellery
3 Carat Radiant Cut 18K Gold & Platinum

3 Carat Radiant Cut 18K Gold & Platinum

Regular price$98,700.00
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Size chart

Ring Size Chart

Find below a conversion chart for ring sizes. Please note, this should only act as a guide and sizing will differ depending on the brand and style.

MM   12.45 12.85 13.26 13.67 14.07 14.48 14.88 15.29 15.49 15.9
US 1 2 3 4
NZ/UK‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎ ‎    B C D E F G H I J K
MM 16.31 16.71 17.12 17.53 17.93 18.34 18.75 19.15 19.56
US
NZ/UK‎ ‎ ‎ ‎ ‎    L M N O P Q R S T
MM 19.96 20.37 20.78 21.18 21.59 21.79 22.4 22.81 23.01 23.42
US 10¼ 10¾ 11¼ 11¾ 12¼ 12½ 13¼ 13¾ 14 14½
NZ/UK ‎ ‎ ‎ ‎ ‎   U V W X Y Z Z+1 Z+2 Z+3 Z+4
  • Free Resizing
  • Lifetime Warranty
  • Free Ring Customisation*
  • Free Insured Shipping on all orders

Radiance, Refined.

This exquisite 3 Carat Radiant Cut Engagement Ring is a statement of brilliance and timeless luxury. Exclusively crafted with a GIA-certified natural diamond, the radiant cut showcases a perfect blend of sparkle and sophistication—designed for those who want to stand out.

Set in your choice of 18K gold or platinum, this handcrafted ring is made-to-order in New Zealand, ensuring exceptional quality and attention to detail. Its elongated, clean lines create a flattering silhouette on any hand, while the impressive 3-carat size makes it a truly unforgettable piece.


Product Features:

  • Diamond Type: 100% Natural, GIA-Certified

  • Cut: Radiant

  • Carat Weight: 3.00 ct (customizable)

  • Colour Grade: F (Exceptional White Range)

  • Clarity Grade: SI1 (Eye-Clean, High-Quality)

  • Make: Excellent Cut

  • Setting: 4-prong 

  • Metal Options: 18K Yellow Gold, White Gold, Rose Gold, or Platinum

  • Made in: New Zealand

  • Crafting Time: 4–6 weeks (made-to-order)


Ethically Sourced. Timelessly Crafted.

At Raphana Jewellery, we work exclusively with natural, ethically sourced diamonds. Every ring is crafted in New Zealand to reflect your love story—designed to last for generations.


Order your custom 3 carat radiant cut engagement ring today and experience the luxury of Raphana.

Order this piece online today! Crafted with care, it takes 6 weeks to create. Need it sooner or want a personal touch? Contact us—we’re happy to make it perfect for you!

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