
The Lab-Grown Radiant Diamond: A Simple 5-Minute Guide
The Lab-Grown Radiant Diamond: A Simple 5-Minute Guide
3 min read
Radiant cut diamonds are where clean lines meet serious sparkle. Think the elegant rectangle of an emerald cut, but with lively, brilliant flashes. In lab grown, you get the same beauty and durability with excellent value and clear, modern sourcing. Here’s our guide to help you decide if a radiant is “the one.” View our full collection of radiant cut diamonds, made on the Sunshine Coast, here.
What is a radiant cut?
A radiant is a square or rectangular diamond with softly cropped corners. Those corners add strength for everyday wear, and the brilliant faceting gives it the “fireworks” people love. It looks sleek from the top and glittery from every angle.
Why people love it
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Slimming, elongated look on the finger
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Big sparkle without sharp, snaggy points
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Looks larger face-up than many shapes of the same weight
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Works with almost every setting style
Why go lab-grown?
Lab-grown diamond is real diamond with the same hardness, same sparkle but grown above ground. The appeal:
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More size for your budget
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Independent grading (IGI/GIA) and laser inscription for peace of mind
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Modern, transparent sourcing with suppliers we’ve vetted
Is a radiant right for you?
Choose a radiant if you want:
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A clean, modern shape that still throws lots of sparkle
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A design that’s practical for daily wear (thanks to those cropped corners)
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A stone that looks impressive on the hand without needing a bulky setting
Colour, clarity & what actually matters
Skip the jargon. Here’s the easy version:
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Colour: In white metals (platinum/white gold), choose icy tones. In yellow or rose, soft warmth can look beautiful. We’ll help you find what suits your skin tone and metal choice.
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Clarity: Aim for eye-clean no visible marks to the naked eye. You don’t need a loupe-clean stone to enjoy a flawless look day to day.
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Light performance: You want a diamond that looks bright from edge to edge and dances when it moves. We check this in different lighting so you don’t have to guess.
Setting styles that flatter radiants
Solitaires
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Four corner claws for a crisp, classic look
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Cathedral shoulders for lift and protection
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Full bezel for a sleek, low-profile, everyday ring
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East to west setting
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Claw set, north to south
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Halos
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A fine micro-pavé halo mirrors the cropped corners and adds presence
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A hidden halo sits under the centre stone for side sparkle without changing the top view
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Three-Stone
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Tapered baguettes or trapezoids echo the radiant’s geometry and make the centre look even larger
Metal Options For Your Radiant Diamond
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Platinum/white gold = brightest, cooler look
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Yellow/rose gold = warm, romantic tone
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Two-tone (white head + yellow band) keeps the stone bright and the band warm—one of our studio favourites
Make your wedding band fit perfectly (no surprises later)
The most common regret we fix is an engagement ring that won’t sit with a straight band. We plan this from the start:
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Prefer a straight band? We’ll design a compact basket and the right height so everything sits flush.
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Love an ultra-low setting? We’ll sketch a gentle contour band that hugs the radiant neatly.
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Hard on your hands? We’ll recommend a bezel or a slightly sturdier profile so your ring stays beautiful for years.
How we help you choose (our 60-minute process)
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Style discovery – Try mosaic vs crushed-ice radiants under daylight and spotlights.
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Shortlist – We present a handful of IGI/GIA-graded stones, with clear videos and millimetre measurements (so you know the actual coverage on your finger).
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Design – Pick metal, band shape, prong or bezel, and plan the wedding-band fit now—not later.
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CAD & confirm – We show your ring from every angle and tweak proportions before we cast.
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Craft & care – Your ring is set, finished, and checked for alignment, security, and sparkle.
Care made easy
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Soak in warm water with a little gentle detergent, brush softly underneath, rinse and pat dry.
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Pop in for professional checks on claws and pavé; we’ll advise if ultrasonic/steam is right for your specific ring.
Quick answers
Q: Is lab-grown as durable as natural?
A: Yes — diamond is diamond, with the same top hardness for daily wear.
Q: Will a radiant show a “bow-tie” shadow?
A: Sometimes a faint one; we choose stones where it softens or disappears in motion.
Q:What if I’m between two stones?
A: Choose the one that looks brighter and more alive on your hand. Your eye will tell you.
Ready to design your radiant?
Book a 60-minute lab-grown radiant consultation (Zoom or in-studio at Buderim). We’ll show you beautiful options in your preferred look, plan the setting and band fit, and craft a ring that sparkles every single day.
With Love,
Laura xo
Morgan & Co Jewellery — bespoke engagement rings, Sunshine Coast