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Cushion|Lab Grown|IGI

1.40ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG735583807

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG735583807

Diamond specifications and retailer prices

From £472 GBP
HK$4,900 HKD
As of October 29, 2026
Save £906 GBP (66%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,378 GBP at Michael Trio · As of October 28, 2026
View at Michael Trio

About this 1.4ct lab-grown cushion diamond

This 1.4ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG735583807 or 735583807. Listed at 2 retailers as of October 28, 2026, with prices from £472 to £1,378, a £906 spread on the same certified stone. Michael Trio lists it at £1,378. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.7°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735583807
Dimensions6.34 × 6.26 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.34 mm6.26 mm1.40 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG735583807
Side View
Table 59.0%Crown 40.7°Girdle: STK-THKPavilion 34.1°Culet: NoneDepth 67.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £1,378 GBP|Low: £472 GBP|High: £1,378 GBP|Avg: £810 GBP
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
September 30, 2026
Retailer 2£472 GBP
Retailer 6£491 GBP
Retailer 4£598 GBP
Retailer 3£789 GBP
Retailer 5£1,082 GBP
Michael Trio£1,378 GBP

2 data points across 6 retailers

2 retailers£472 GBP to £1,378 GBP

A
Cheapest Retailer
-
£472 GBP
HK$4,900 HKD
Most Expensive
B
Michael Trio
9350313240 · Oct 28
£1,378 GBP
SGD 2,475 SGD
View
1 more retailer has this diamond
Prices start from £472 GBPSave up to £906 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.40ct Cushion
£472 GBP