CaratHunter
Plans
Cushion|Lab Grown|IGI

1.40ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG778668551

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778668551

Diamond specifications and retailer prices

From £182 GBP
$244 USD
As of October 30, 2026
Save £752 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £934 GBP at Reve Diamonds · As of October 30, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778668551 or 778668551. Listed at 14 retailers as of October 30, 2026, with prices from £182 to £934, a £752 spread on the same certified stone. Reve Diamonds lists it at £934. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778668551
Dimensions7.94 × 5.44 × 3.71 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm5.44 mm1.40 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778668551
Side View
Table 63.0%Crown 41.5°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 68.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £248 GBP|Low: £182 GBP|High: £934 GBP|Avg: £489 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 30, 2026
Retailer 12£182 GBP
Retailer 13£202 GBP
Retailer 1£248 GBP
Retailer 10£272 GBP
Retailer 7£347 GBP
Retailer 6£375 GBP
Retailer 3£444 GBP
Retailer 8£494 GBP
Retailer 2£538 GBP
Retailer 5£655 GBP
Retailer 4£689 GBP
Retailer 11£785 GBP
Retailer 9£810 GBP
Reve Diamonds£934 GBP

42 data points across 14 retailers

14 retailers£182 GBP to £934 GBP

A
Cheapest Retailer
-
£182 GBP
$244 USD
Final sale: no returns
A
Retailer 2
-
£202 GBP
$271 USD
View
A
Retailer 3
-
£248 GBP
View
B+
Retailer 4
-
£272 GBP
$365 USD
View
A
Retailer 5
-
£347 GBP
ZAR 7,511 ZAR
View
A
Retailer 6
-
£375 GBP
View
A
Retailer 7
-
£444 GBP
$595 USD
View
A
Retailer 8
-
£494 GBP
A$1,018 AUD
View
B+
Retailer 9
-
£538 GBP
$721 USD
View
B+
Retailer 10
-
£655 GBP
SGD 1,186 SGD
View
B+
Retailer 11
-
£689 GBP
$923 USD
View
B+
Retailer 12
-
£785 GBP
View
B+
Retailer 13
-
£810 GBP
View
Most Expensive
B
Reve Diamonds
E75D664DF · Oct 30
£934 GBP
$1,252 USD
View
13 more retailers have this diamond
Prices start from £182 GBPSave up to £752 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
£182 GBP