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Cushion|Lab Grown|IGI

1.53ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG537215489

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG537215489

Diamond specifications and retailer prices

From £255 GBP
$342 USD
As of November 1, 2026
Save £1,027 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,282 GBP at Brilliant Earth · As of November 2, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG537215489 or 537215489. Listed at 15 retailers as of November 1, 2026, with prices from £255 to £1,282, a £1,027 spread on the same certified stone. Brilliant Earth lists it at £1,282. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537215489
Dimensions7.92 × 6.08 × 4.14 mm
L/W Ratio1.30
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 Faint Blue
Top View
7.92 mm6.08 mm1.53 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537215489
Side View
Table 62.5%Crown 38.1°Girdle: MED-THKPavilion 36.5°Culet: NoneDepth 68.1%

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: Nov 1
Current: £1,282 GBP|Low: £255 GBP|High: £1,386 GBP|Avg: £650 GBP|-7.5%
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
November 2, 2026
Retailer 6£255 GBP
Retailer 13£282 GBP
Retailer 4£380 GBP
Retailer 14£389 GBP
Retailer 10£399 GBP
Retailer 9£452 GBP
Retailer 8£486 GBP
Retailer 7£501 GBP
Retailer 12£657 GBP
Retailer 2£736 GBP
Retailer 5£905 GBP
Retailer 3£1,084 GBP
Retailer 11£1,136 GBP
Brilliant Earth£1,282 GBP

42 data points across 14 retailers

15 retailers£255 GBP to £1,282 GBP

A
Cheapest Retailer
-
£255 GBP
$342 USD
Final sale: no returns
Retailer 2
-
£282 GBP
$378 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£380 GBP
$510 USD
View
A
Retailer 4
-
£389 GBP
$522 USD
View
A
Retailer 5
-
£399 GBP
$535 USD
View
A
Retailer 6
-
£452 GBP
€578 EUR
View
A
Retailer 7
-
£486 GBP
ZAR 10,542 ZAR
View
A
Retailer 8
-
£501 GBP
View
B+
Retailer 9
-
£657 GBP
A$1,357 AUD
View
B+
Retailer 10
-
£736 GBP
$987 USD
View
B
Retailer 11
-
£905 GBP
SGD 1,642 SGD
View
B
Retailer 12
-
£941 GBP
$1,263 USD
View
B
Retailer 13
-
£1,084 GBP
$1,455 USD
View
B
Retailer 14
-
£1,136 GBP
View
Most Expensive
B
Brilliant Earth
14242564A · Nov 2
£1,282 GBP
$1,720 USD
View
14 more retailers have this diamond
Prices start from £255 GBPSave up to £1,027 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
£255 GBP