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Cushion|Lab Grown|IGI

1.51ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG773656095

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

Certificate IGI LG773656095

Diamond specifications and retailer prices

From £265 GBP
$355 USD
As of October 30, 2026
Save £862 GBP (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,127 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG773656095 or 773656095. Listed at 13 retailers as of October 30, 2026, with prices from £265 to £1,127, a £862 spread on the same certified stone. Brilliant Earth lists it at £1,127. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773656095
Dimensions6.53 × 6.36 × 6.53 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.53 mm6.36 mm1.51 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773656095
Side View
Table 64.0%Crown 35.5°Girdle: STK-THKPavilion 36.3°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
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 30
Current: £1,127 GBP|Low: £241 GBP|High: £1,366 GBP|Avg: £562 GBP|-17.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 11£241 GBP
Retailer 5£265 GBP
Retailer 7£343 GBP
Retailer 12£369 GBP
Retailer 6£381 GBP
Retailer 13£394 GBP
Retailer 10£638 GBP
Retailer 4£662 GBP
Retailer 3£699 GBP
Retailer 9£761 GBP
Retailer 8£827 GBP
Retailer 2£835 GBP
Brilliant Earth£1,127 GBP

42 data points across 13 retailers

13 retailers£265 GBP to £1,127 GBP

Retailer 1
-
£241 GBP
Price last confirmed 13 days ago
B+
Retailer 2
-
£265 GBP
$355 USD
View
A
Retailer 3
-
£343 GBP
€438 EUR
View
A
Retailer 4
-
£369 GBP
$494 USD
View
A
Retailer 5
-
£381 GBP
View
A
Retailer 6
-
£394 GBP
$528 USD
View
B
Retailer 7
-
£638 GBP
SGD 1,155 SGD
View
B+
Retailer 8
-
£662 GBP
A$1,364 AUD
View
Retailer 9
-
£699 GBP
$937 USD
View
Price last confirmed 12 days ago
Retailer 10
-
£761 GBP
$1,020 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
£827 GBP
View
B
Retailer 12
-
£835 GBP
$1,119 USD
View
Most Expensive
B
Brilliant Earth
22183632A · Oct 30
£1,127 GBP
$1,510 USD
View
12 more retailers have this diamond
Prices start from £265 GBPSave up to £862 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
1.51ct Cushion
£265 GBP