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Cushion|Lab Grown|IGI

1.54ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG600375193

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG600375193

Diamond specifications and retailer prices

From £226 GBP
$301 USD
As of October 28, 2026
Save £1,036 GBP (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,262 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG600375193 or 600375193. Listed at 16 retailers as of October 28, 2026, with prices from £226 to £1,262, a £1,036 spread on the same certified stone. Brilliant Earth lists it at £1,262. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600375193
Dimensions6.74 × 6.63 × 4.29 mm
L/W Ratio1.02
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
6.74 mm6.63 mm1.54 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600375193
Side View
Table 61.0%Crown 37°Girdle: MED-THKPavilion 37.2°Culet: NoneDepth 64.7%

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 28
Current: £1,262 GBP|Low: £170 GBP|High: £1,262 GBP|Avg: £595 GBP
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
Retailer 15
Retailer 16
October 29, 2026
Retailer 7£226 GBP
Retailer 16£252 GBP
Retailer 12£338 GBP
Retailer 15£338 GBP
Retailer 9£409 GBP
Retailer 10£432 GBP
Retailer 2£441 GBP
Retailer 4£449 GBP
Retailer 3£488 GBP
Retailer 11£584 GBP
Retailer 14£619 GBP
Retailer 8£846 GBP
Retailer 6£984 GBP
Retailer 13£1,008 GBP
Retailer 5£1,064 GBP
Brilliant Earth£1,262 GBP

42 data points across 16 retailers

16 retailers£226 GBP to £1,262 GBP

A
Cheapest Retailer
-
£226 GBP
$301 USD
Final sale: no returns
A
Retailer 2
-
£252 GBP
$335 USD
View
B+
Retailer 3
-
£338 GBP
$450 USD
View
A
Retailer 4
-
£338 GBP
$450 USD
View
A
Retailer 5
-
£409 GBP
€519 EUR
View
A
Retailer 6
-
£432 GBP
ZAR 9,286 ZAR
View
A
Retailer 7
-
£441 GBP
View
A
Retailer 8
-
£449 GBP
$598 USD
View
A
Retailer 9
-
£488 GBP
$650 USD
View
B+
Retailer 10
-
£584 GBP
A$1,197 AUD
View
B+
Retailer 11
-
£619 GBP
$824 USD
View
B+
Retailer 12
-
£846 GBP
$1,126 USD
View
B
Retailer 13
-
£984 GBP
View
B+
Retailer 14
-
£1,008 GBP
View
B
Retailer 15
-
£1,064 GBP
$1,416 USD
View
Most Expensive
B
Brilliant Earth
14099900A · Oct 29
£1,262 GBP
$1,680 USD
View
15 more retailers have this diamond
Prices start from £226 GBPSave up to £1,036 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
1.54ct Cushion
£226 GBP