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Model proportions
A softly rectangular outline with rounded corners and gently curved sides.
- Reference size (L × W × D)
- 10.00 × 8.00 × 4.80 mm
- Length-to-width ratio
- 1.25:1
- Depth (% of width)
- 60.0%
- Table (% of width)
- 43.3%
This model illustrates the cut. Its colour, proportions and facets may differ from the stone shown in the product photos.
ZGems
Cushion Cut Lab-Grown Diamond
Cushion Cut Lab-Grown Diamond
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A LITTLE HELP FINDING THE ONE?
Create a piece around thisTalk to us about your preferred stone, setting and design.
This cushion cut lab-grown diamond has a softly rounded, cushion-shaped outline and is offered in 1–5 ct options with VVS1 clarity.
Gemstone details
- Gemstone
- Lab-grown diamond
- Shape
- Cushion cut
- Available carat weights
- 1 ct, 2 ct, 3 ct, 4 ct, 5 ct
- Colour options
- D or E, selected when ordering
- Clarity
- VVS1
- Listed cut quality
- Excellent
- Grading report
- IGI (1ct+)
Size & dimensions
| Approx. dimensions (L × W) | Carat weight |
|---|---|
| 6.0 × 6.0 mm | 1 ct |
| 7.6 × 7.6 mm | 2 ct |
| 8.7 × 8.7 mm | 3 ct |
| 9.5 × 9.5 mm | 4 ct |
| 10.3 × 10.3 mm | 5 ct |
Approximate face-up sizes only, based on gemstone type, carat weight and typical cut proportions. Actual length, width and depth vary between individual stones. Please confirm the exact dimensions before ordering a fitted setting.
Choosing a cushion cut
Choose D or E colour using the available product options.
Rounded corners give the cushion shape a softer outline. Check the individual measurements to decide how it will sit within a ring, pendant or other custom setting.
Is this a loose diamond?
Yes. This listing is for a loose lab-grown diamond. A ring, pendant or other setting can be discussed separately through our custom jewellery service.
What should I confirm before ordering?
Select the carat weight and colour to see the current price. Ask ZGems for the exact measurements and individual grading report details for your selected stone before arranging a setting.
Compare more lab-grown diamonds and explore our gemstone cut guide.
Care
Ask ZGems for cleaning advice for your stone and its setting.
Details
Available Diamond Shapes
1. Round
2. Oval
3. Princess
4. Cushion
5. Emerald
6. Radiant
7. Pear
8. Marquise
9. Heart
10. Radiant
11. Other Shapes Available upon Request
Specs
Carat Weight: 1.0 ct to 5.0ct+
Colour Grades: D to E
Clarity Grades: VVS 1
Cut Grades: Excellent
Certification: IGI
Highlights
✓ 100% Real Diamond
✓ IGI Certified Options Available
✓ Ethical & Sustainable Choice
✓ Excellent Fire & Brilliance
✓ Available from 0.30ct to 10ct+
✓ Custom Ring Design Service
✓ Worldwide Shipping
FAQ Section
What is a lab grown diamond?
A lab grown diamond is a real diamond created in a controlled laboratory environment using advanced technology that replicates natural diamond formation.
Are lab grown diamonds real diamonds?
Yes. They are chemically, physically, and optically identical to mined diamonds.
Can gem labs certify lab grown diamonds?
Yes. Most lab grown diamonds can be graded and certified by recognised gemological laboratories such as IGI.
Do lab grown diamonds sparkle the same as natural diamonds?
Absolutely. Their brilliance, fire, and hardness are the same as natural diamonds.
Can you source a specific diamond for me?
Yes. We can source diamonds based on your preferred carat weight, shape, colour, clarity, certification, and budget.
Lab Grown Diamonds
Real diamonds. Brilliant sparkle. Exceptional value. Lab grown diamonds are chemically, physically, and optically identical to natural diamonds, offering a sustainable and affordable alternative without compromising beauty or quality.
Why Choose Lab Grown Diamonds?
-
100% Real Diamond
Lab grown diamonds have the same crystal structure, hardness, brilliance, and fire as mined diamonds.
-
Ethically Created
Produced in controlled laboratory environments with transparent sourcing and traceability.
-
Outstanding Value
Enjoy larger sizes and higher grades for your budget, often saving 30% to 70% compared to equivalent natural diamonds.
-
Certified Quality
Available with internationally recognised grading reports from IGI and other respected gem laboratories.