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Cushion|Lab Grown|IGI

1.53ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG626437429

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG626437429

Diamond specifications and retailer prices

From £273 GBP
As of November 4, 2026
Save £826 GBP (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,100 GBP at Brilliant Earth · As of November 4, 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG626437429 or 626437429. Listed at 11 retailers as of November 4, 2026, with prices from £273 to £1,100, a £826 spread on the same certified stone. Brilliant Earth lists it at £1,100. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626437429
Dimensions6.76 × 6.57 × 4.47 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.76 mm6.57 mm1.53 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626437429
Side View
Table 61.0%Crown 35.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 68.0%

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: Nov 4
Current: £1,100 GBP|Low: £248 GBP|High: £1,271 GBP|Avg: £585 GBP|-6.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 6£273 GBP
Retailer 9£312 GBP
Retailer 12£370 GBP
Retailer 8£377 GBP
Retailer 2£421 GBP
Retailer 11£447 GBP
Retailer 7£602 GBP
Retailer 3£688 GBP
Retailer 4£849 GBP
Retailer 5£895 GBP
Retailer 10£911 GBP
Brilliant Earth£1,100 GBP

40 data points across 12 retailers

11 retailers£273 GBP to £1,100 GBP

A
Cheapest Retailer
-
£273 GBP
A
Retailer 2
-
£312 GBP
View
A
Retailer 3
-
£370 GBP
View
A
Retailer 4
-
£377 GBP
View
A
Retailer 5
-
£421 GBP
View
A
Retailer 6
-
£447 GBP
View
B+
Retailer 7
-
£602 GBP
View
Retailer 8
-
£688 GBP
View
Price last confirmed 18 days ago
B
Retailer 9
-
£895 GBP
View
B
Retailer 10
-
£911 GBP
View
Most Expensive
B
Brilliant Earth
9863738A · Nov 4
£1,100 GBP
$1,480 USD
View
10 more retailers have this diamond
Prices start from £273 GBPSave up to £826 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
£273 GBP