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Princess|Lab Grown|IGI

1.51ct G VS2 Princess Lab Grown Diamond

EX • G/VS2 • IGI LG750577920

Shape and cutting style on the report: Princess cut

Certificate IGI LG750577920

Diamond specifications and retailer prices

From £155 GBP
As of November 4, 2026
Save £628 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £783 GBP at Brilliance · As of November 4, 2026
View at Brilliance

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG750577920 or 750577920. Listed at 11 retailers as of November 4, 2026, with prices from £155 to £783, a £628 spread on the same certified stone. Brilliance lists it at £783. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750577920
Dimensions6.24 × 6.12 × 4.57 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.24 mm6.12 mm1.51 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750577920
Side View
Table 67.0%Crown 42.4°Girdle: MediumPavilion 39.4°Culet: NoneDepth 74.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £783 GBP|Low: £155 GBP|High: £783 GBP|Avg: £468 GBP
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 6£155 GBP
Retailer 12£180 GBP
Retailer 13£192 GBP
Retailer 9£235 GBP
Retailer 2£331 GBP
Retailer 7£351 GBP
Retailer 10£353 GBP
Retailer 5£515 GBP
Retailer 8£619 GBP
Retailer 11£620 GBP
Retailer 4£711 GBP
Retailer 3£770 GBP
Brilliance£783 GBP

3 data points across 13 retailers

11 retailers£155 GBP to £783 GBP

A
Cheapest Retailer
-
£155 GBP
A
Retailer 2
-
£180 GBP
View
A
Retailer 3
-
£192 GBP
View
A
Retailer 4
-
£235 GBP
View
B+
Retailer 5
-
£331 GBP
View
A
Retailer 6
-
£351 GBP
View
A
Retailer 7
-
£353 GBP
View
B+
Retailer 8
-
£619 GBP
View
B+
Retailer 9
-
£620 GBP
View
B
Retailer 10
-
£770 GBP
View
Most Expensive
B
Brilliance
D41485487 · Nov 4
£783 GBP
$1,050 USD
View
10 more retailers have this diamond
Prices start from £155 GBPSave up to £628 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 Princess
£155 GBP