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Princess|Lab Grown|IGI

1.26ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG621426466

Shape and cutting style on the report: Princess cut

Certificate IGI LG621426466

Diamond specifications and retailer prices

From £141 GBP
As of November 4, 2026
Save £672 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £813 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.26ct lab-grown princess diamond

This 1.26ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621426466 or 621426466. Listed at 12 retailers as of November 4, 2026, with prices from £141 to £813, a £672 spread on the same certified stone. MOH London lists it at £813. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.1°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621426466
Dimensions5.88 × 5.76 × 4.21 mm
L/W Ratio1.02
Culet sizeNone
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
5.88 mm5.76 mm1.26 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG621426466
Side View
Table 73.0%Crown 42.1°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 73.1%

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: £813 GBP|Low: £141 GBP|High: £824 GBP|Avg: £365 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5£141 GBP
Retailer 7£156 GBP
Retailer 3£301 GBP
Retailer 6£306 GBP
Retailer 2£313 GBP
Retailer 8£347 GBP
Retailer 4£562 GBP
MOH London£813 GBP

43 data points across 8 retailers

12 retailers£141 GBP to £813 GBP

A
Cheapest Retailer
-
£141 GBP
A
Retailer 2
-
£156 GBP
View
Final sale: no returns
A
Retailer 3
-
£163 GBP
View
Retailer 4
-
£174 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£174 GBP
View
A
Retailer 6
-
£301 GBP
View
A
Retailer 7
-
£306 GBP
View
A
Retailer 8
-
£313 GBP
View
B+
Retailer 9
-
£347 GBP
View
B
Retailer 10
-
£560 GBP
View
B
Retailer 11
-
£562 GBP
View
Most Expensive
B
MOH London
LG621426466 · Nov 5
£813 GBP
View
11 more retailers have this diamond
Prices start from £141 GBPSave up to £672 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
1.26ct Princess
£141 GBP