5 Carat Round Diamond Engagement Ring in 18K Gold & Platinum
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 |
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US | 1 | 1½ | 2 | 2½ | 3 | 3½ | 4 | 4½ | 4¾ | 5¼ |
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 | 5¾ | 6¼ | 6¾ | 7¼ | 7¾ | 8¼ | 8¾ | 9¼ | 9¾ |
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 |
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5 Carat Round Diamond Engagement Ring in 18K Gold or Platinum
Elevate your proposal with this breathtaking 5 carat round diamond engagement ring, crafted in your choice of 18K gold or platinum. Each stone is available as a GIA-certified natural diamond or a conflict-free lab-grown diamond, delivering unparalleled brilliance at every angle.
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 |
GIA (Gemological Institute of America) |
IGI (International Gemological Institute) |
Carat |
5ct+ |
5ct+ |
Color Range |
I |
F |
Clarity Range |
SI1 |
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 |
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Stone: 5.00 ct round brilliant cut
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Metal Options: 18K yellow, white, or rose gold; platinum
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Diamond Origin: Ethically sourced natural or eco-friendly lab-grown
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Setting: Classic solitaire with precision prongs for maximum light return
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Certificate: GIA or IGI grading report included
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Customizable: Upgrade clarity, colour, or setting style to suit your vision
Crafted entirely by hand, this ring harmonises timeless elegance with modern ethics—perfect for the couple who values both luxury and responsibility.
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!