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Cushion|Lab Grown|IGI

1.54ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG700526753

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

Certificate IGI LG700526753

Diamond specifications and retailer prices

From £215 GBP
$286 USD
As of October 30, 2026
Save £814 GBP (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,539 GBP at Brilliant Earth · As of October 16, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG700526753 or 700526753. Listed at 18 retailers as of October 30, 2026, with a 379% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700526753
Dimensions6.69 × 6.63 × 4.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.69 mm6.63 mm1.54 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700526753
Side View
Table 62.0%Crown 35.8°Girdle: MED-STKPavilion 39°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: £1,539 GBP|Low: £176 GBP|High: £1,584 GBP|Avg: £602 GBP|-2.8%
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
Retailer 17
Retailer 18
October 30, 2026
Retailer 7£215 GBP
Retailer 15£238 GBP
Retailer 10£269 GBP
Retailer 17£327 GBP
Retailer 11£362 GBP
Retailer 8£396 GBP
Retailer 5£406 GBP
Retailer 13£408 GBP
Retailer 2£453 GBP
Retailer 3£493 GBP
Retailer 14£554 GBP
Retailer 16£770 GBP
Retailer 6£803 GBP
Retailer 18£853 GBP
Retailer 4£936 GBP
Retailer 12£957 GBP
Retailer 9£1,029 GBP
Brilliant Earth£1,539 GBP

40 data points across 18 retailers

18 retailers£215 GBP to £1,029 GBP

A
Cheapest Retailer
-
£215 GBP
$286 USD
Final sale: no returns
A
Retailer 2
-
£238 GBP
$317 USD
View
Retailer 3
-
£269 GBP
View
Price last confirmed 20 days ago
A
Retailer 4
-
£327 GBP
$435 USD
View
A
Retailer 5
-
£362 GBP
€459 EUR
View
A
Retailer 6
-
£396 GBP
$528 USD
View
A
Retailer 7
-
£406 GBP
$540 USD
View
A
Retailer 8
-
£408 GBP
ZAR 8,786 ZAR
View
B+
Retailer 9
-
£453 GBP
View
B+
Retailer 10
-
£493 GBP
$656 USD
View
B+
Retailer 11
-
£554 GBP
A$1,135 AUD
View
Retailer 12
-
£770 GBP
$1,025 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
£803 GBP
$1,069 USD
View
B
Retailer 14
-
£853 GBP
$1,136 USD
View
B
Retailer 15
-
£936 GBP
$1,246 USD
View
B
Retailer 16
-
£957 GBP
View
B
Retailer 17
-
£1,029 GBP
$1,370 USD
View
Most Expensive
Brilliant Earth
13892639A · Oct 16
£1,539 GBP
$2,050 USD
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from £215 GBPSave up to £814 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
£215 GBP