Premium Wholesale Oval Cut Lab Grown Diamonds
Looking for premium oval lab grown diamonds? We manufacture and wholesale loose oval diamonds with minimized bow-tie effect and ideal length-to-width ratios.
Why Source Oval Cut Lab Diamonds from Us?
Prefer a different silhouette? We also supply certified loose round brilliant, pear cut and radiant cut lab grown diamonds — or browse the full loose lab diamonds range.
Oval Cut Diamond Size & Weight Comparison Table
| Carat Weight | Average Dimensions (mm) | Length-to-Width Ratio | Table % | Depth % |
|---|---|---|---|---|
| 0.50 – 0.99 ct | 6.0 x 4.0 – 7.0 x 5.0 | 1.30 – 1.45 | 53% – 63% | 58% – 64% |
| 1.00 – 1.49 ct | 7.7 x 5.7 – 8.5 x 6.0 | 1.30 – 1.45 | 53% – 63% | 58% – 64% |
| 1.50 – 1.99 ct | 8.7 x 6.2 – 9.3 x 6.6 | 1.30 – 1.45 | 53% – 63% | 58% – 64% |
| 2.00 – 2.99 ct | 9.5 x 6.8 – 10.5 x 7.5 | 1.30 – 1.45 | 53% – 63% | 58% – 64% |
| 3.00 – 4.99 ct | 11.0 x 7.8 – 12.5 x 8.8 | 1.30 – 1.45 | 53% – 63% | 58% – 64% |
| 5.00+ ct | 13.0 x 9.0+ | 1.30 – 1.45 | 53% – 63% | 58% – 64% |
FAQ About Premium Wholesale Oval Cut Lab Grown Diamonds
How does your factory minimize the "bow-tie effect" in wholesale oval lab diamonds?
The bow-tie shadow is an inherent challenge in elongated shapes. Our cutting facility uses customized facet angles and precise depth ratios to diffuse light evenly across the center, drastically minimizing the dark bow-tie effect.
Do you supply calibrated oval diamonds in uniform millimeter sizes?
Yes, we maintain calibrated oval inventory in standardized millimeter sizes, so multi-stone layouts and matched pairs seat seamlessly, reducing finishing time for your workshop.
What length-to-width ratios are available in your oval cut diamond inventory?
We cater to all design trends by stocking a versatile range of oval ratios: 1.30–1.35 for a classic, plumper look; 1.40–1.45 for the highly requested elongated, finger-flattering profile.
Are oval lab diamonds currently high in demand for international B2B buyers?
Yes, oval cuts have consistently ranked as a top-3 best-selling shape for engagement rings globally. We have expanded our monthly manufacturing capacity to ensure a reliable supply for our B2B partners.
Can we order matched oval layout sets for three-stone ring designs?
Yes, we frequently assemble custom layouts. We can provide a larger center oval flanked by two smaller, identically proportioned side ovals or epaulettes to save your design team sorting time.
What are the main clarity grades available for your loose oval diamonds?
Our oval inventory spans from IF down to SI1.
Do you supply oval lab-grown diamonds with Excellent polish and symmetry?
Yes, the overwhelming majority of our certified oval shapes achieve an Excellent (EX) grade in both Polish and Symmetry, ensuring peak brilliance.
Do your oval lab diamonds suffer from milky or cloudy structures?
Never. We strictly source our rough from high-quality CVD or HPHT growth runs with no structural graining, ensuring every oval polished by our factory possesses crystal-clear transparency.
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