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Cushion|Lab Grown|IGI

1.54ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG641483833

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG641483833

Diamond specifications and retailer prices

From £208 GBP
$279 USD
As of October 30, 2026
Save £1,075 GBP (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,284 GBP at Brilliant Earth · As of October 30, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG641483833 or 641483833. Listed at 20 retailers as of October 30, 2026, with prices from £208 to £1,284, a £1,075 spread on the same certified stone. Brilliant Earth lists it at £1,284. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641483833
Dimensions5.78 × 5.78 × 4.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.78 mm5.78 mm1.54 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641483833
Side View
Table 67.0%Crown 36.6°Girdle: MED-VTKPavilion 33.6°Culet: NoneDepth 69.7%

Caratlytics Score

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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: £1,284 GBP|Low: £208 GBP|High: £1,440 GBP|Avg: £569 GBP|-10.9%
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 5£208 GBP
Retailer 12£231 GBP
Retailer 13£310 GBP
Retailer 6£384 GBP
Retailer 9£396 GBP
Retailer 4£417 GBP
Retailer 2£438 GBP
Retailer 10£537 GBP
Retailer 11£581 GBP
Retailer 7£768 GBP
Retailer 3£837 GBP
Retailer 8£928 GBP
Brilliant Earth£1,284 GBP

43 data points across 13 retailers

20 retailers£208 GBP to £1,284 GBP

A
Cheapest Retailer
-
£208 GBP
$279 USD
Final sale: no returns
A
Retailer 2
-
£231 GBP
$309 USD
View
A
Retailer 3
-
£258 GBP
HK$2,700 HKD
View
B+
Retailer 4
-
£310 GBP
$415 USD
View
A
Retailer 5
-
£369 GBP
€471 EUR
View
A
Retailer 6
-
£384 GBP
€490 EUR
View
A
Retailer 7
-
£396 GBP
ZAR 8,566 ZAR
View
A
Retailer 8
-
£407 GBP
$545 USD
View
A
Retailer 9
-
£417 GBP
$559 USD
View
A
Retailer 10
-
£438 GBP
View
B+
Retailer 11
-
£537 GBP
A$1,107 AUD
View
B+
Retailer 12
-
£581 GBP
$778 USD
View
B+
Retailer 13
-
£742 GBP
SGD 1,344 SGD
View
B+
Retailer 14
-
£768 GBP
A$1,584 AUD
View
B
Retailer 15
-
£779 GBP
$1,044 USD
View
B
Retailer 16
-
£837 GBP
$1,122 USD
View
B
Retailer 17
-
£928 GBP
View
B
Retailer 18
-
£946 GBP
$1,268 USD
View
B
Retailer 19
-
£1,007 GBP
$1,350 USD
View
Most Expensive
B
Brilliant Earth
10698446A · Oct 30
£1,284 GBP
$1,720 USD
View
19 more retailers have this diamond
Prices start from £208 GBPSave up to £1,075 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
£208 GBP