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Cushion|Lab Grown|IGI

1.40ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG803634978

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG803634978

Diamond specifications and retailer prices

From £214 GBP
$284 USD
As of October 28, 2026
Save £815 GBP (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,028 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 LG803634978 or 803634978. Listed at 14 retailers as of October 28, 2026, with prices from £214 to £1,028, a £815 spread on the same certified stone. Reve Diamonds lists it at £1,028. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803634978
Dimensions7.63 × 5.58 × 3.84 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.63 mm5.58 mm1.40 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803634978
Side View
Table 67.0%Crown 38.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 68.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £956 GBP|Low: £214 GBP|High: £1,028 GBP|Avg: £554 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 29, 2026
Retailer 9£214 GBP
Retailer 3£272 GBP
Retailer 7£320 GBP
Retailer 8£320 GBP
Retailer 6£408 GBP
Retailer 4£449 GBP
Retailer 10£488 GBP
Retailer 5£577 GBP
Retailer 2£929 GBP
Retailer 1£956 GBP
Reve Diamonds£1,028 GBP

41 data points across 11 retailers

14 retailers£214 GBP to £1,028 GBP

A
Cheapest Retailer
-
£214 GBP
$284 USD
Final sale: no returns
A
Retailer 2
-
£272 GBP
View
A
Retailer 3
-
£320 GBP
$425 USD
View
A
Retailer 4
-
£320 GBP
$425 USD
View
A
Retailer 5
-
£408 GBP
ZAR 8,748 ZAR
View
A
Retailer 6
-
£449 GBP
View
A
Retailer 7
-
£488 GBP
$649 USD
View
B+
Retailer 8
-
£576 GBP
$766 USD
View
B+
Retailer 9
-
£577 GBP
A$1,180 AUD
View
B+
Retailer 10
-
£766 GBP
SGD 1,375 SGD
View
B+
Retailer 11
-
£801 GBP
$1,065 USD
View
B
Retailer 12
-
£929 GBP
View
B
Retailer 13
-
£956 GBP
View
Most Expensive
B
Reve Diamonds
F82EB9D2F · Oct 28
£1,028 GBP
$1,366 USD
View
13 more retailers have this diamond
Prices start from £214 GBPSave up to £815 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
£214 GBP