5 Carat Engagement Rings

Every five carat engagement ring we make, in solid 14K gold — lab grown diamond and moissanite together, so you can compare the two at the same size.

Diamond or moissanite at five carats?

This is the real decision at this weight, and it is mostly about money and about how you want the stone to look. A five carat lab grown diamond is a genuine diamond, graded by IGI, and it returns light the way a diamond does: bright and fairly white. A five carat moissanite is a different gemstone, silicon carbide, and it splits light into far more color — more rainbow, less white fire. Moissanite also costs a fraction of the diamond at this size.

What five carats looks like

About 11mm across for a round, which covers most of the width of an average finger. Elongated cuts — oval, pear, marquise, emerald — spread the same weight further along the finger and read larger than a round.

Browse by stone

If you have already decided, go straight to 5 carat lab grown diamond engagement rings or 5 carat moissanite engagement rings. Sizes either side: 4 carat and up and 6 carat.

Made to order in solid 14K gold, never plated. Order by Dec 14 for Christmas delivery. Free resizing, free worldwide delivery and 60-day free returns.

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The Karat Store promise

Solid gold, made to order in our own workshop, delivered to your door anywhere in the world.

Free diamond studswith every order over $800
10% off your first orderwith code TREND10
Free cleaning & resizingfor life, and we pay the postage
Free insured deliveryworldwide, with 60-day returns