3 Carat Round Solitaire Engagement Ring 18K Gold & Platinum - Raphana Jewellery
3 Carat Round Solitaire Engagement Ring 18K Gold & Platinum - Raphana Jewellery
3 Carat Round Solitaire Engagement Ring 18K Gold & Platinum - Raphana Jewellery
3 Carat Round Solitaire Engagement Ring 18K Gold & Platinum - Raphana Jewellery
3 carat solitaire engagement ring in platinum on display
3 Carat Round Solitaire Engagement Ring 18K Gold & Platinum - Raphana Jewellery
3 Carat Round Solitaire Engagement Ring 18K Gold & Platinum - Raphana Jewellery
3 Carat Round Solitaire Engagement Ring 18K Gold & Platinum - Raphana Jewellery
3 Carat Round Solitaire Engagement Ring 18K Gold & Platinum - Raphana Jewellery

3 Carat Round Solitaire Engagement Ring 18K Gold & Platinum

Regular price$4,995.00
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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

3 Carat Solitaire Engagement Ring 18K Gold & Platinum

Celebrate your love with the enduring sparkle of Raphana’s Round Cut Natural or Lab Grown Round Solitaire Brilliant Diamond Engagement Ring Setting, handcrafted in New Zealand using only the finest 18K yellow, rose, white gold or platinum

Setting Features:

Feature

Natural Diamond

Lab-Grown Diamond

Origin

Earth-formed over billions of years

Grown in a lab using CVD or HPHT technology 

Certification

IGI 

IGI 

Carat 

3

3

Color Range

J+ 

F

Clarity Range

I1

VS1

Brilliance

Exceptional brilliance with unique character

Virtually identical brilliance, more consistency

Rarity

Naturally rare and finite

Consistently available 

Sourcing

Conflict-free, ethically mined

Ethically produced with minimal environmental impact

 

3 Carat Solitaire Engagement Ring

Elevate your love story with Raphana Jewellery’s 3 Carat Solitaire Engagement Ring—a masterful union of artistry and quality. Centered on a breathtaking, GIA-certified 3.00 ct round brilliant diamond, this classic solitaire is available in your choice of solid 18K white gold, yellow gold, rose gold, or platinum. Each ring is handcrafted by our artisans, ensuring:

 

  • Ethical Sourcing: Natural earth-mined diamonds selected for exceptional cut, color, and clarity.

  • Precision Setting: Four-prong or six-prong cathedral mount that maximizes sparkle and security.

  • Premium Metals: Solid 18K gold or platinum with a flawless, high-polish finish.

  • Comfort Fit: Smooth, rounded inner band for effortless daily wear.

  • Custom Sizing: Tailored to your exact ring size, with optional engraving for a personal touch.

 


Whether you choose the warm glow of yellow gold or the sleek sheen of platinum, this ring captures everlasting elegance—designed to be treasured for generations.

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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