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Cushion|Lab Grown|IGI

1.51ct F VS2 Cushion Lab Grown Diamond

EX • F/VS2 • IGI LG792664145

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG792664145

Diamond specifications and retailer prices

From £199 GBP
As of November 4, 2026
Save £640 GBP (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £840 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct 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 LG792664145 or 792664145. Listed at 11 retailers as of November 2, 2026, with prices from £199 to £840, a £640 spread on the same certified stone. Brilliant Earth lists it at £840. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792664145
Dimensions5.92 × 7.68 × 3.86 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.92 mm7.68 mm1.51 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792664145
Side View
Table 62.0%Crown 37.6°Girdle: THN-STKPavilion 32.4°Culet: NoneDepth 65.2%

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 4
Current: £840 GBP|Low: £199 GBP|High: £906 GBP|Avg: £536 GBP|-7.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8£199 GBP
Retailer 9£314 GBP
Retailer 5£325 GBP
Retailer 11£365 GBP
Retailer 3£370 GBP
Retailer 2£455 GBP
Retailer 6£616 GBP
Retailer 10£654 GBP
Retailer 4£700 GBP
Retailer 7£839 GBP
Brilliant Earth£840 GBP

36 data points across 11 retailers

11 retailers£199 GBP to £840 GBP

A
Cheapest Retailer
-
£199 GBP
Retailer 2
-
£314 GBP
View
Price last confirmed 11 days ago
Retailer 3
-
£325 GBP
View
Price last confirmed 9 days ago
A
Retailer 4
-
£365 GBP
View
Retailer 5
-
£370 GBP
View
Price last confirmed 10 days ago
B+
Retailer 6
-
£455 GBP
View
Retailer 7
-
£616 GBP
View
Price last confirmed 11 days ago
Retailer 8
-
£654 GBP
View
Price last confirmed 15 days ago
B+
Retailer 9
-
£700 GBP
View
Retailer 10
-
£839 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
19641249A · Nov 2
£840 GBP
$1,130 USD
View
10 more retailers have this diamond
Prices start from £199 GBPSave up to £640 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
1.51ct Cushion
£199 GBP