Cushion|Lab Grown|IGI

1.53ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG837661806

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

Certificate IGI LG837661806

Diamond specifications and retailer prices

From £219 GBP
$294 USD
As of October 30, 2026
Save £823 GBP (79%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,515 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.53ct lab-grown cushion diamond

This 1.53ct 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 LG837661806 or 837661806. Listed at 21 retailers as of October 30, 2026, with a 375% 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

1.53
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837661806
Dimensions6.55 × 6.33 × 4.15 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.55 mm6.33 mm1.53 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837661806
Side View
Table 64.0%Crown 36.3°Girdle: MED-VTKPavilion 34.9°Culet: NoneDepth 65.6%

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: £1,515 GBP|Low: £244 GBP|High: £1,515 GBP|Avg: £542 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
October 30, 2026
Retailer 4£244 GBP
Retailer 8£286 GBP
Retailer 5£328 GBP
Retailer 14£328 GBP
Retailer 10£389 GBP
Retailer 6£401 GBP
Retailer 12£419 GBP
Retailer 7£440 GBP
Retailer 9£466 GBP
Retailer 13£567 GBP
Retailer 3£622 GBP
Retailer 11£731 GBP
Retailer 2£960 GBP
Retailer 15£979 GBP
Brilliant Earth£1,515 GBP

31 data points across 15 retailers

21 retailers£219 GBP to £1,042 GBP

A
Cheapest Retailer
-
£219 GBP
$294 USD
Final sale: no returns
A
Retailer 2
-
£244 GBP
$327 USD
View
A
Retailer 3
-
£267 GBP
HK$2,800 HKD
View
A
Retailer 4
-
£286 GBP
View
B+
Retailer 5
-
£328 GBP
$440 USD
View
A
Retailer 6
-
£328 GBP
$440 USD
View
A
Retailer 7
-
£389 GBP
€497 EUR
View
A
Retailer 8
-
£401 GBP
$537 USD
View
A
Retailer 9
-
£419 GBP
ZAR 9,073 ZAR
View
A
Retailer 10
-
£440 GBP
$590 USD
View
A
Retailer 11
-
£466 GBP
View
B+
Retailer 12
-
£567 GBP
A$1,169 AUD
View
B+
Retailer 13
-
£622 GBP
$834 USD
View
B+
Retailer 14
-
£731 GBP
A$1,507 AUD
View
B
Retailer 15
-
£757 GBP
$1,014 USD
View
B
Retailer 16
-
£785 GBP
SGD 1,422 SGD
View
B
Retailer 17
-
£822 GBP
$1,102 USD
View
B
Retailer 18
-
£960 GBP
$1,286 USD
View
B
Retailer 19
-
£979 GBP
View
B
Retailer 20
-
£1,042 GBP
$1,397 USD
View
Most Expensive
Brilliant Earth
21587320A · Oct 16
£1,515 GBP
$2,030 USD
View
Price last confirmed 14 days ago
20 more retailers have this diamond
Prices start from £219 GBPSave up to £823 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
1.53ct Cushion
£219 GBP