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Cushion|Lab Grown|IGI

1.55ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG544280456

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG544280456

Diamond specifications and retailer prices

From £175 GBP
$235 USD
As of October 30, 2026
Save £750 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £925 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct 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 LG544280456 or 544280456. Listed at 14 retailers as of October 30, 2026, with prices from £175 to £925, a £750 spread on the same certified stone. Brilliant Earth lists it at £925. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544280456
Dimensions6.04 × 6.04 × 7.60 mm
L/W Ratio1.00
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
6.04 mm6.04 mm1.55 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544280456
Side View
Table 57.5%Crown 37.8°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 65.1%

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: £925 GBP|Low: £125 GBP|High: £1,090 GBP|Avg: £512 GBP|-15.1%
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
Retailer 14
October 30, 2026
Retailer 14£175 GBP
Retailer 11£195 GBP
Retailer 8£263 GBP
Retailer 7£319 GBP
Retailer 2£360 GBP
Retailer 5£382 GBP
Retailer 3£397 GBP
Retailer 13£443 GBP
Retailer 10£505 GBP
Retailer 6£667 GBP
Retailer 12£678 GBP
Retailer 9£783 GBP
Retailer 4£917 GBP
Brilliant Earth£925 GBP

45 data points across 14 retailers

14 retailers£175 GBP to £925 GBP

A
Cheapest Retailer
-
£175 GBP
$235 USD
Final sale: no returns
A
Retailer 2
-
£195 GBP
$261 USD
View
B+
Retailer 3
-
£263 GBP
$352 USD
View
A
Retailer 4
-
£319 GBP
€407 EUR
View
A
Retailer 5
-
£360 GBP
View
A
Retailer 6
-
£382 GBP
$512 USD
View
A
Retailer 7
-
£397 GBP
$532 USD
View
A
Retailer 8
-
£443 GBP
$593 USD
View
B+
Retailer 9
-
£505 GBP
$677 USD
View
B+
Retailer 10
-
£667 GBP
$894 USD
View
B+
Retailer 11
-
£678 GBP
A$1,397 AUD
View
B+
Retailer 12
-
£783 GBP
View
B
Retailer 13
-
£917 GBP
$1,228 USD
View
Most Expensive
B
Brilliant Earth
10789425A · Oct 30
£925 GBP
$1,240 USD
View
13 more retailers have this diamond
Prices start from £175 GBPSave up to £750 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
1.55ct Cushion
£175 GBP