Explore our curated selection of IGI-certified 1 Carat Radiant Cut Lab Grown Diamonds—real diamonds, responsibly grown, and precision-graded for lasting value.
About 1 Carat Radiant Cut Lab Grown Diamonds
1 Carat Radiant Cut Lab Grown Diamonds – Modern Brilliance with Crisp Geometry
A 1 carat radiant cut lab grown diamond offers a striking combination of brilliance, fire and contemporary elegance. With its clean, angular outline and dazzling light performance, the radiant cut blends the sparkle of a round diamond with the refined geometry of an emerald cut. For UK customers seeking a diamond that feels bold, modern and full of life, a 1 carat radiant cut stone is an exceptional choice.
Created using advanced CVD and HPHT technology, lab grown diamonds possess the same chemical composition, durability and optical properties as mined diamonds. At Variation, each 1 carat radiant cut diamond is IGI-certified and meticulously assessed for symmetry, brilliance and fire — ensuring exceptional quality backed by ethical, sustainable creation.
Why Choose a 1 Carat Radiant Cut Diamond?
The radiant cut is known for its crisp edges and intense, multidirectional sparkle. Its faceting pattern maximises brilliance while giving the diamond a vibrant, contemporary look.
Key Features
Bold, modern shape with exceptional brilliance
Beveled corners for added durability and elegance
High scintillation from its hybrid faceting style
IGI-certified lab grown quality
Ethically created and fully traceable
A 1 carat radiant cut diamond offers a lively, contemporary brilliance suited to modern fine jewellery.
Why UK Buyers Choose Variation
Variation is trusted across the United Kingdom for meticulous diamond selection, certified grading and transparent, consistent value. Each radiant cut diamond undergoes strict evaluation for clarity, brilliance and structural precision.
What Sets Variation Apart
IGI-certified grading for verified accuracy
Premium colour grades (D–F)
High clarity ranges (VVS–VS)
Conflict-free, ethical sourcing
Direct-from-manufacturer value
Our diamonds deliver premium craftsmanship, sustainable ethics and exceptional optical performance.
Ideal Uses for a 1 Carat Radiant Cut Diamond
With its crisp lines and vibrant sparkle, a 1 carat radiant cut diamond suits modern and expressive jewellery styles.
Popular Jewellery Choices
Radiant cut engagement rings
Contemporary solitaire pendants
Fine diamond earrings
Modern statement jewellery
Bespoke and custom-designed pieces
Its dynamic sparkle and structured shape make it a favourite among buyers seeking visually impactful elegance.
IGI Certification – Trusted Assurance for UK Customers
Every 1 carat radiant cut diamond from Variation includes an IGI certificate, offering clarity, authentication and precise grading information.
Your IGI Certificate Includes
Cut, polish and symmetry grades
Colour grade (D–F)
Clarity grade (VVS–VS)
Carat weight and exact measurements
Laser inscription for authenticity
This provides complete transparency and reassurance for UK buyers.
Sustainable & Ethical Diamond Creation
Variation diamonds are produced through environmentally conscious methods that significantly reduce ecological impact, offering a responsible alternative to mined stones.
Our Ethical Commitments
Zero mining and minimal environmental disruption
Fully traceable diamond growth
Lower carbon footprint compared to mined diamonds
Responsible, inventory-free production
Transparent, fair pricing
A 1 carat radiant cut lab grown diamond represents the future of ethical, modern luxury.
UK-Wide Delivery and Transparent Value
Variation offers secure, insured and trackable delivery across the United Kingdom for a trustworthy and seamless purchasing experience.
You receive:
IGI-certified 1 carat radiant cut diamond
Direct-from-manufacturer pricing
Clear, consistent and transparent value
Insured UK-wide delivery
Authenticity documentation
Our approach ensures outstanding quality combined with honest, accessible pricing.
Modern Brilliance with Ethical Craftsmanship
A 1 carat radiant cut lab grown diamond from Variation delivers exceptional sparkle, crisp geometry and sustainable craftsmanship. It is an ideal choice for UK customers seeking a diamond that feels vibrant, contemporary and ethically produced.
Explore Variation’s 1 carat radiant cut lab grown diamonds today and discover brilliance shaped through precision, purity and responsible innovation.
Frequently Asked Questions
Is a 1 carat radiant cut lab grown diamond a good size for an engagement ring? +
Yes. A 1 carat radiant cut diamond is an excellent choice for engagement rings. Its rectangular or
square outline with trimmed corners offers strong presence, while the brilliant-style faceting creates
intense sparkle that looks beautiful in both classic and modern settings.
Does a 1 carat radiant cut diamond look larger than a 1 carat round or cushion diamond? +
A radiant cut often appears slightly larger than a cushion of the same weight and can look similar in
size to a round, depending on proportions. Elongated radiants, in particular, provide more finger
coverage and a visually larger look at the 1 carat size.
What is special about the radiant cut compared to emerald or princess cuts at 1 carat size? +
Radiant cuts combine the outline of emerald or princess cuts with brilliant-style faceting. This means
you get a modern geometric shape plus strong sparkle similar to a round. The cut corners also make it
more durable than sharp-cornered princess cuts in everyday wear.
Do 1 carat radiant cut lab grown diamonds sparkle as much as round diamonds? +
Radiant cuts are designed with many facets to maximise brilliance and fire. While round diamonds remain
the benchmark for overall light return, a well-cut 1 carat radiant cut can be extremely sparkly with a
rich, crushed-ice or kaleidoscopic effect.
Which color and clarity grades are recommended for a 1 carat radiant cut lab grown diamond? +
Radiant cuts can show color slightly more in the corners and along the edges. Many buyers choose
D–H color and VVS–VS clarity for a bright, clean look at 1 carat, especially
if they prefer a whiter, high-contrast appearance in white metals like platinum or white gold.
Are 1 carat radiant cut lab grown diamonds certified by IGI or GIA? +
Yes. Radiant cut lab grown diamonds are commonly certified by IGI, GIA, and other internationally
recognised laboratories. The certificate will list the diamond’s 4Cs, proportions, polish, symmetry,
and growth method (CVD or HPHT).
Is a 1 carat radiant cut diamond durable enough for everyday wear in a ring? +
Yes. The trimmed corners of the radiant cut reduce the risk of chipping compared to sharp-cornered
shapes like princess cuts. In a secure prong or bezel setting, a 1 carat radiant cut is well-suited
for daily-wear engagement rings and fine jewellery.
Which settings look best with a 1 carat radiant cut lab grown diamond? +
Radiant cuts look beautiful in solitaire settings, halos, three-stone rings, and contemporary east-west
designs. Their straight edges pair well with tapered baguettes, trapezoid side stones, and pavé bands,
creating a luxurious and structured look.
Does a 1 carat radiant cut lab grown diamond offer good value compared to mined diamonds and round cuts? +
Yes. Lab grown diamonds generally cost less than mined diamonds, and radiant cuts are often priced
below round cuts per carat. This makes a 1 carat radiant cut lab grown diamond an excellent value for
those who want strong sparkle and a modern shape at a more accessible price point.
Do 1 carat radiant cut lab grown diamonds come in different ratios and styles (square vs elongated)? +
Yes. Radiant cuts are available in squarer ratios that resemble princess cuts, as well as elongated
rectangular profiles similar to emerald cuts. This allows you to choose a compact, modern look or a
more slender, elongated silhouette while staying at the 1 carat weight.
Explore Other Shapes
Other 1 Carat Lab Grown Diamond Shapes
If you love 1 Carat Radiant Cut Lab Grown Diamonds but want to explore different outlines, compare these other 1 carat diamond shapes to see how they vary in brilliance, structure, and overall style.
The most classic and balanced shape, delivering maximum brilliance and fire.
An elegant elongated outline that offers generous finger coverage and flow.
Soft corners and a romantic pillow shape with beautiful depth and fire.
Refined step-cut facets that create a sophisticated hall-of-mirrors effect.
A graceful teardrop silhouette that combines character with flattering length.
A clean square profile with strong brilliance and a contemporary edge.
A striking elongated outline with pointed tips and dramatic finger coverage.
A symbolic heart-shaped outline that celebrates love in a bold way.
A bold geometric silhouette ideal for modern, distinctive designs.