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Princess|Lab Grown|IGI

1.79ct G SI1 Princess Lab Grown Diamond

ID • G/SI1 • IGI LG541281872

Shape and cutting style on the report: Princess cut

Certificate IGI LG541281872

Diamond specifications and retailer prices

From £355 GBP
$475 USD
As of November 1, 2026
Save £481 GBP (58%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £836 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.79ct lab-grown princess diamond

This 1.79ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG541281872 or 541281872. Listed at 4 retailers as of November 1, 2026, with prices from £355 to £836, a £481 spread on the same certified stone. MOH London lists it at £836. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.79
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541281872
Dimensions6.80 × 6.53 × 4.70 mm
L/W Ratio1.04
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
6.80 mm6.53 mm1.79 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG541281872
Side View
Table 69.0%Crown 40.2°Girdle: MediumPavilion 39.7°Culet: NoneDepth 72.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £836 GBP|Low: £336 GBP|High: £845 GBP|Avg: £484 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 3£355 GBP
Retailer 5£381 GBP
Retailer 2£389 GBP
Retailer 4£483 GBP
MOH London£836 GBP

41 data points across 5 retailers

4 retailers£355 GBP to £836 GBP

B+
Cheapest Retailer
-
£355 GBP
$475 USD
A
Retailer 2
-
£389 GBP
View
B+
Retailer 3
-
£483 GBP
$647 USD
View
Most Expensive
B
MOH London
LG541281872 · Nov 1
£836 GBP
View
3 more retailers have this diamond
Prices start from £355 GBPSave up to £481 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
1.79ct Princess
£355 GBP