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Cushion|Lab Grown|IGI

1.54ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG677531929

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG677531929

Diamond specifications and retailer prices

From £210 GBP
$279 USD
As of October 28, 2026
Save £1,037 GBP (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,247 GBP at Brilliant Earth · As of October 28, 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 LG677531929 or 677531929. Listed at 17 retailers as of October 28, 2026, with prices from £210 to £1,247, a £1,037 spread on the same certified stone. Brilliant Earth lists it at £1,247. 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 angle39.6°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677531929
Dimensions6.64 × 6.56 × 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
6.64 mm6.56 mm1.54 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677531929
Side View
Table 59.0%Crown 39.6°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 67.5%

Caratlytics Score

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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 28
Current: £1,247 GBP|Low: £210 GBP|High: £1,337 GBP|Avg: £652 GBP|-6.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 29, 2026
Retailer 7£210 GBP
Retailer 16£232 GBP
Retailer 18£315 GBP
Retailer 10£368 GBP
Retailer 5£384 GBP
Retailer 12£398 GBP
Retailer 2£423 GBP
Retailer 11£438 GBP
Retailer 13£540 GBP
Retailer 17£589 GBP
Retailer 8£784 GBP
Retailer 3£852 GBP
Retailer 14£930 GBP
Retailer 4£940 GBP
Retailer 6£942 GBP
Retailer 9£1,013 GBP
Retailer 15£1,014 GBP
Brilliant Earth£1,247 GBP

38 data points across 18 retailers

17 retailers£210 GBP to £1,247 GBP

A
Cheapest Retailer
-
£210 GBP
$279 USD
Final sale: no returns
A
Retailer 2
-
£232 GBP
$309 USD
View
B+
Retailer 3
-
£315 GBP
$420 USD
View
A
Retailer 4
-
£384 GBP
$512 USD
View
A
Retailer 5
-
£398 GBP
ZAR 8,566 ZAR
View
A
Retailer 6
-
£423 GBP
€537 EUR
View
A
Retailer 7
-
£438 GBP
View
A
Retailer 8
-
£540 GBP
A$1,107 AUD
View
B+
Retailer 9
-
£589 GBP
$785 USD
View
B+
Retailer 10
-
£784 GBP
$1,044 USD
View
B+
Retailer 11
-
£852 GBP
$1,134 USD
View
B+
Retailer 12
-
£930 GBP
View
B
Retailer 13
-
£940 GBP
A$1,925 AUD
View
Price last confirmed 28 days ago
B
Retailer 14
-
£962 GBP
$1,281 USD
View
B
Retailer 15
-
£1,013 GBP
$1,350 USD
View
B+
Retailer 16
-
£1,014 GBP
$1,350 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
14065458A · Oct 28
£1,247 GBP
$1,660 USD
View
16 more retailers have this diamond
Prices start from £210 GBPSave up to £1,037 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
£210 GBP