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Princess|Lab Grown|IGI

1.31ct G VVS1 Princess Lab Grown Diamond

ID • G/VVS1 • IGI LG631470523

Shape and cutting style on the report: Princess cut

Certificate IGI LG631470523

Diamond specifications and retailer prices

From £348 GBP
As of November 4, 2026
Save £1,233 GBP (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,581 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.31ct lab-grown princess diamond

This 1.31ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG631470523 or 631470523. Listed at 17 retailers as of November 4, 2026, with prices from £348 to £1,581, a £1,233 spread on the same certified stone. MOH London lists it at £1,581. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631470523
Dimensions6.06 × 6.01 × 4.12 mm
L/W Ratio1.01
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
6.06 mm6.01 mm1.31 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631470523
Side View
Table 70.0%Crown 42.4°Girdle: MED-STKPavilion 37.2°Culet: NoneDepth 68.6%

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: £1,581 GBP|Low: £183 GBP|High: £1,603 GBP|Avg: £774 GBP|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 5, 2026
Retailer 14£348 GBP
Retailer 5£389 GBP
Retailer 7£389 GBP
Retailer 4£431 GBP
Retailer 16£431 GBP
Retailer 12£535 GBP
Retailer 6£548 GBP
Retailer 8£600 GBP
Retailer 17£675 GBP
Retailer 2£708 GBP
Retailer 10£744 GBP
Retailer 11£825 GBP
Retailer 13£1,159 GBP
Retailer 15£1,256 GBP
Retailer 3£1,386 GBP
Retailer 9£1,409 GBP
MOH London£1,581 GBP

44 data points across 17 retailers

17 retailers£348 GBP to £1,581 GBP

A
Cheapest Retailer
-
£348 GBP
A
Retailer 2
-
£389 GBP
View
Final sale: no returns
A
Retailer 3
-
£389 GBP
View
Retailer 4
-
£431 GBP
View
Price last confirmed 20 days ago
A
Retailer 5
-
£431 GBP
View
B+
Retailer 6
-
£535 GBP
View
B+
Retailer 7
-
£548 GBP
View
B+
Retailer 8
-
£600 GBP
View
B+
Retailer 9
-
£675 GBP
View
B+
Retailer 10
-
£708 GBP
View
B+
Retailer 11
-
£744 GBP
View
B
Retailer 12
-
£825 GBP
View
B
Retailer 13
-
£1,159 GBP
View
B
Retailer 14
-
£1,256 GBP
View
B
Retailer 15
-
£1,386 GBP
View
B
Retailer 16
-
£1,409 GBP
View
Most Expensive
B
MOH London
LG631470523 · Nov 5
£1,581 GBP
View
16 more retailers have this diamond
Prices start from £348 GBPSave up to £1,233 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
1.31ct Princess
£348 GBP