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Princess|Lab Grown|IGI

1.51ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG602393660

Shape and cutting style on the report: Princess cut

Certificate IGI LG602393660

Diamond specifications and retailer prices

From £210 GBP
As of November 4, 2026
Save £608 GBP (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £819 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG602393660 or 602393660. Listed at 22 retailers as of November 4, 2026, with prices from £210 to £819, a £608 spread on the same certified stone. Brilliance lists it at £819. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602393660
Dimensions6.30 × 6.29 × 4.54 mm
L/W Ratio1.00
Culet sizePointed
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
6.30 mm6.29 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602393660
Side View
Table 67.0%Crown 36.3°Girdle: MediumPavilion 39°Culet: NoneDepth 72.2%

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: £819 GBP|Low: £201 GBP|High: £1,126 GBP|Avg: £576 GBP|-16.7%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 16£201 GBP
Retailer 5£227 GBP
Retailer 14£331 GBP
Retailer 15£344 GBP
Retailer 12£347 GBP
Retailer 4£356 GBP
Retailer 2£370 GBP
Retailer 17£389 GBP
Retailer 13£453 GBP
Retailer 11£469 GBP
Retailer 6£650 GBP
Retailer 7£685 GBP
Retailer 8£752 GBP
Retailer 3£778 GBP
Retailer 10£803 GBP
Brilliance£819 GBP
Retailer 9£891 GBP

39 data points across 17 retailers

22 retailers£210 GBP to £819 GBP

Retailer 1
-
£184 GBP
Price last confirmed 37 days ago
Retailer 2
-
£201 GBP
View
Price last confirmed 11 days ago
A
Retailer 3
-
£210 GBP
View
Final sale: no returns
Retailer 4
-
£218 GBP
View
Price last confirmed 43 days ago
Retailer 5
-
£226 GBP
View
Price last confirmed 38 days ago
A
Retailer 6
-
£227 GBP
View
Retailer 7
-
£331 GBP
View
Price last confirmed 9 days ago
A
Retailer 8
-
£344 GBP
View
A
Retailer 9
-
£347 GBP
View
A
Retailer 10
-
£356 GBP
View
A
Retailer 11
-
£370 GBP
View
A
Retailer 12
-
£389 GBP
View
B+
Retailer 13
-
£453 GBP
View
B+
Retailer 14
-
£469 GBP
View
B+
Retailer 15
-
£650 GBP
View
B+
Retailer 16
-
£685 GBP
View
B
Retailer 17
-
£719 GBP
View
Retailer 18
-
£735 GBP
View
Price last confirmed 36 days ago
Retailer 19
-
£752 GBP
View
Price last confirmed 15 days ago
B
Retailer 20
-
£778 GBP
View
B
Retailer 21
-
£803 GBP
View
Most Expensive
B
Brilliance
D22541120 · Nov 4
£819 GBP
$1,105 USD
View
21 more retailers have this diamond
Prices start from £210 GBPSave up to £608 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
£210 GBP