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Princess|Lab Grown|IGI

1.80ct F SI2 Princess Lab Grown Diamond

ID • F/SI2 • IGI LG550255757

Shape and cutting style on the report: Princess cut

Certificate IGI LG550255757

Diamond specifications and retailer prices

From £216 GBP
As of November 6, 2026
Save £971 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,187 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.8ct lab-grown princess diamond

This 1.8ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG550255757 or 550255757. Listed at 11 retailers as of November 3, 2026, with prices from £216 to £1,187, a £971 spread on the same certified stone. MOH London lists it at £1,187. 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

1.80
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG550255757
Dimensions6.76 × 6.55 × 4.70 mm
L/W Ratio1.03
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
6.76 mm6.55 mm1.80 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG550255757
Side View
Table 71.5%Crown 38.6°Girdle: MED-STKPavilion 39°Culet: NoneDepth 71.8%

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 6
Current: £1,187 GBP|Low: £337 GBP|High: £1,194 GBP|Avg: £710 GBP|+27.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8£433 GBP
Retailer 5£441 GBP
Retailer 2£523 GBP
Retailer 7£694 GBP
Retailer 3£750 GBP
Retailer 4£824 GBP
Retailer 6£963 GBP
MOH London£1,187 GBP

13 data points across 8 retailers

11 retailers£216 GBP to £1,187 GBP

Retailer 1
-
£169 GBP
Price last confirmed 45 days ago
Retailer 2
-
£207 GBP
View
Price last confirmed 44 days ago
A
Retailer 3
-
£216 GBP
View
A
Retailer 4
-
£251 GBP
View
B+
Retailer 5
-
£441 GBP
View
B+
Retailer 6
-
£523 GBP
View
B+
Retailer 7
-
£694 GBP
View
B
Retailer 8
-
£750 GBP
View
B
Retailer 9
-
£824 GBP
View
B
Retailer 10
-
£963 GBP
View
Most Expensive
B
MOH London
LG550255757 · Nov 3
£1,187 GBP
View
10 more retailers have this diamond
Prices start from £216 GBPSave up to £971 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
1.80ct Princess
£216 GBP