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Cushion|Lab Grown|IGI

1.40ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG797655780

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG797655780

Diamond specifications and retailer prices

From £206 GBP
$274 USD
As of October 28, 2026
Save £716 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £922 GBP at MOH London · As of October 29, 2026
View at MOH London

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 LG797655780 or 797655780. Listed at 13 retailers as of October 28, 2026, with prices from £206 to £922, a £716 spread on the same certified stone. MOH London lists it at £922. 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 angle32.8°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797655780
Dimensions7.99 × 5.70 × 3.82 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.99 mm5.70 mm1.40 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797655780
Side View
Table 64.0%Crown 32.8°Girdle: MED-THKPavilion 34.6°Culet: NoneDepth 67.0%

Caratlytics Score

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A+
Exceptional
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: £922 GBP|Low: £206 GBP|High: £1,048 GBP|Avg: £498 GBP|-9.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 11£206 GBP
Retailer 3£244 GBP
Retailer 2£263 GBP
Retailer 9£309 GBP
Retailer 6£393 GBP
Retailer 5£432 GBP
Retailer 10£470 GBP
Retailer 4£474 GBP
Retailer 7£559 GBP
Retailer 8£574 GBP
Retailer 12£775 GBP
MOH London£922 GBP

42 data points across 12 retailers

13 retailers£206 GBP to £922 GBP

A+
Cheapest Retailer
-
£206 GBP
$274 USD
Final sale: no returns
A
Retailer 2
-
£244 GBP
$324 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£263 GBP
View
B+
Retailer 4
-
£309 GBP
$410 USD
View
A
Retailer 5
-
£393 GBP
ZAR 8,446 ZAR
View
A
Retailer 6
-
£432 GBP
View
A
Retailer 7
-
£470 GBP
$625 USD
View
A
Retailer 8
-
£474 GBP
$630 USD
View
Price last confirmed 12 days ago
A
Retailer 9
-
£559 GBP
A$1,142 AUD
View
B+
Retailer 10
-
£574 GBP
$763 USD
View
B+
Retailer 11
-
£646 GBP
A$1,321 AUD
View
Price last confirmed 71 days ago
B+
Retailer 12
-
£775 GBP
$1,030 USD
View
Most Expensive
B
MOH London
LG797655780 · Oct 29
£922 GBP
View
12 more retailers have this diamond
Prices start from £206 GBPSave up to £716 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
£206 GBP