Explore our curated selection of IGI-certified 1 Carat Heart Cut Lab Grown Diamonds—real diamonds, responsibly grown, and precision-graded for lasting value.
About 1 Carat Heart Cut Lab Grown Diamonds
1 Carat Heart Cut Lab Grown Diamonds – Symbolic Beauty with Brilliant Romance
A 1 carat heart cut lab grown diamond is the ultimate symbol of love, combining emotional significance with exceptional sparkle. Known for its graceful curves and perfectly defined silhouette, the heart cut offers a romantic and expressive appearance that stands out in fine jewellery. For UK customers seeking a diamond that feels meaningful, elegant and visually captivating, a 1 carat heart cut diamond is a timeless and heartfelt choice.
Created using advanced CVD and HPHT technology, lab grown diamonds share the same chemical composition, hardness and optical performance as mined diamonds. At Variation, each 1 carat heart cut diamond is IGI-certified and carefully selected for symmetry, clarity and brilliance — ensuring radiant beauty with responsible, ethical craftsmanship.
Why Choose a 1 Carat Heart Cut Diamond?
The heart cut is admired for its symbolism and luminous sparkle. Its intricate faceting and artistic proportions create a bright, lively display of fire, making it one of the most emotionally expressive diamond shapes.
Key Features
Iconic heart-shaped silhouette with romantic appeal
Exceptional brilliance from expertly crafted facets
A striking centrepiece for meaningful jewellery
IGI-certified lab grown diamond
Ethical, sustainable and fully traceable origin
A 1 carat heart cut diamond offers symbolic elegance and bright, expressive sparkle.
Why UK Buyers Choose Variation
Variation is trusted across the United Kingdom for its commitment to precision, transparency and diamond excellence. Each heart cut diamond undergoes rigorous evaluation to ensure accurate proportions, balanced symmetry and radiant light performance.
What Sets Variation Apart
IGI-certified grading for complete confidence
Premium colour grades (D–F)
High clarity ranges (VVS–VS)
Ethical, conflict-free diamond sourcing
Direct-from-manufacturer pricing
Every Variation diamond reflects a blend of craftsmanship, brilliance and responsible luxury.
Ideal Uses for a 1 Carat Heart Cut Diamond
With its expressive shape and radiant sparkle, a 1 carat heart cut diamond enhances fine jewellery designed to celebrate love, commitment or personal meaning.
Popular Jewellery Choices
Heart cut engagement rings
Romantic solitaire pendants
Fine diamond earrings
Sentimental everyday jewellery
Bespoke and custom designs
Its distinct silhouette makes it a standout choice for UK buyers seeking meaningful brilliance.
IGI Certification – Trusted Assurance for UK Customers
Every 1 carat heart cut diamond from Variation includes an IGI certificate, detailing its quality and confirming its authenticity.
Your IGI Certificate Includes
Cut, polish and symmetry grading
Colour grade (D–F)
Clarity grade (VVS–VS)
Carat weight and precise proportions
Laser inscription for identification
This ensures complete transparency and confidence for UK buyers.
Sustainable & Ethical Diamond Creation
Variation diamonds are grown using environmentally responsible processes that significantly reduce ecological impact while maintaining exceptional structural and optical quality.
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 and fair pricing
A 1 carat heart cut lab grown diamond represents meaningful beauty with ethical, future-forward craftsmanship.
UK-Wide Delivery and Transparent Value
Variation provides secure, insured and trackable delivery across the United Kingdom, ensuring a seamless and trustworthy buying experience.
You receive:
IGI-certified 1 carat heart cut diamond
Direct-from-manufacturer pricing
Consistent, transparent value
Insured UK-wide delivery
Authenticity documentation
Our commitment ensures exceptional quality paired with honest, accessible pricing.
Expressive Brilliance with Ethical Craftsmanship
A 1 carat heart cut lab grown diamond from Variation delivers meaningful elegance, radiant sparkle and modern sustainability. It is the ideal choice for UK buyers seeking a diamond that reflects love, individuality and responsible luxury.
Explore Variation’s 1 carat heart cut lab grown diamonds today and experience brilliance shaped with precision, purity and heartfelt significance.
Frequently Asked Questions
Is a 1 carat heart cut Lab Grown diamond a good size for an engagement ring? +
Yes. A 1 carat heart cut diamond is a romantic, meaningful size for an engagement ring.
It offers clear heart definition, noticeable presence on the hand, and symbolises love
in a direct, visual way without feeling too large for everyday wear.
Does a 1 carat heart cut look smaller than a 1 carat round diamond? +
Heart cuts can appear slightly smaller face-up than round diamonds of the same carat
because some weight sits in the pavilion and lower half. However, the distinctive heart
outline draws attention and often feels more eye-catching and emotional than the size
alone suggests.
What makes a well-cut 1 carat heart diamond look beautiful and balanced? +
A good heart cut has a clearly defined cleft (the “V” at the top), evenly rounded lobes,
and a point that sits on the centre line of the stone. Symmetry is critical — both halves
of the heart should mirror each other when you visually divide the diamond down the middle.
Do 1 carat heart cut Lab Grown diamonds sparkle as much as other brilliant cuts? +
Heart cuts use brilliant-style faceting, so they can be very lively and sparkly, especially
around the lobes. They sometimes show a slight “bow-tie” effect in the centre, which is
normal, but a well-cut stone will keep this subtle and maintain bright overall brilliance.
Which color and clarity grades are ideal for a 1 carat heart cut Lab Grown diamond? +
Because hearts are open brilliant cuts, they hide minor inclusions reasonably well, but the
pointed tip and larger facets can reveal obvious flaws. Many buyers prefer D–H color and
VVS–VS clarity for a bright, clean look, especially for a solitaire ring or pendant.
Are 1 carat heart cut Lab Grown diamonds certified by IGI or GIA? +
Yes. 1 carat heart cut Lab Grown diamonds can be certified by IGI, GIA, and other
international gemological laboratories. The certificate details the diamond’s 4Cs,
proportions, polish, symmetry, and growth method (CVD or HPHT).
Is a 1 carat heart cut diamond practical for everyday wear in jewellery? +
Yes — as long as the pointed tip is well protected. Settings that use a V-prong or bezel
at the bottom point help prevent chipping, making a 1 carat heart cut suitable for
daily-wear engagement rings, pendants, and even statement earrings.
Which settings look best with a 1 carat heart cut Lab Grown diamond? +
Heart cuts look stunning in solitaire rings, halo designs, three-prong or five-prong settings,
and drop pendants. Halos can make a 1 carat heart appear larger, while simple solitaires
emphasise the shape and symbolism of the heart itself.
Does a 1 carat heart cut Lab Grown diamond offer good value compared to mined diamonds? +
Yes. Lab Grown diamonds typically cost less than mined diamonds, especially in popular sizes
like 1 carat. This allows you to choose higher color and clarity in a heart cut while
staying within your budget or investing more in the setting design.
Is a 1 carat heart cut Lab Grown diamond suitable only for rings, or also for pendants and earrings? +
Heart cuts are very versatile. A 1 carat heart diamond is perfect as a centre stone in
engagement rings, and also looks beautiful as a solitaire pendant, a centre stone in a
lariat necklace, or in romantic drop earrings.
Explore Other Shapes
Other 1 Carat Lab Grown Diamond Shapes
If you love 1 Carat Heart Cut Lab Grown Diamonds but want to compare different outlines, explore these other 1 carat diamond shapes to see how they differ in romance, structure, and overall presence.
The most classic and balanced shape, known for maximum brilliance and fire.
An elegant elongated outline that offers soft curves and generous finger coverage.
Soft, romantic edges with a pillow-like profile and beautiful fire.
A sleek step-cut shape with long flashes of light and a refined, architectural feel.
A graceful teardrop silhouette that flatters the hand and adds visual length.
Intense sparkle with clipped corners for a bold, structured and modern look.
A crisp square outline with strong brilliance and a contemporary, graphic feel.
A dramatic elongated outline with pointed tips and strong finger coverage.
A bold geometric outline ideal for distinctive, modern engagement designs.