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Princess|Lab Grown|IGI

1.91ct H VS1 Princess Lab Grown Diamond

EX • H/VS1 • IGI LG541281906

Shape and cutting style on the report: Princess cut

Certificate IGI LG541281906

Diamond specifications and retailer prices

From £372 GBP
$499 USD
As of October 30, 2026
Save £517 GBP (58%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £889 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.91ct lab-grown princess diamond

This 1.91ct lab-grown princess sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG541281906 or 541281906. Listed at 3 retailers as of October 29, 2026, with prices from £372 to £889, a £517 spread on the same certified stone. MOH London lists it at £889. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541281906
Dimensions6.77 × 6.65 × 4.93 mm
L/W Ratio1.02
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
6.77 mm6.65 mm1.91 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541281906
Side View
Table 69.5%Crown 41.8°Girdle: MediumPavilion 40.5°Culet: NoneDepth 74.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £889 GBP|Low: £354 GBP|High: £895 GBP|Avg: £553 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 2£372 GBP
Retailer 4£396 GBP
Retailer 3£556 GBP
MOH London£889 GBP

10 data points across 4 retailers

3 retailers£372 GBP to £889 GBP

B+
Cheapest Retailer
-
£372 GBP
$499 USD
B+
Retailer 2
-
£556 GBP
$745 USD
View
Most Expensive
B
MOH London
LG541281906 · Oct 29
£889 GBP
View
2 more retailers have this diamond
Prices start from £372 GBPSave up to £517 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.

B+
1.91ct Princess
£372 GBP