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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 $424 AUD
As of November 6, 2026
Save $1,902 AUD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,325 AUD 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 $424 to $2,325, a $1,902 spread on the same certified stone. MOH London lists it at $2,325. 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

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 6
Current: $2,325 AUD|Low: $661 AUD|High: $2,338 AUD|Avg: $1,391 AUD|+27.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$848 AUD
Retailer 5$863 AUD
Retailer 2$1,025 AUD
Retailer 7$1,359 AUD
Retailer 3$1,470 AUD
Retailer 4$1,614 AUD
Retailer 6$1,886 AUD
MOH London$2,325 AUD

13 data points across 8 retailers

11 retailers$424 AUD to $2,325 AUD

Retailer 1
-
$332 AUD
Price last confirmed 45 days ago
Retailer 2
-
$406 AUD
View
Price last confirmed 44 days ago
A
Retailer 3
-
$424 AUD
View
A
Retailer 4
-
$492 AUD
View
B+
Retailer 5
-
$863 AUD
View
B+
Retailer 6
-
$1,025 AUD
View
B+
Retailer 7
-
$1,359 AUD
View
B
Retailer 8
-
$1,470 AUD
View
B
Retailer 9
-
$1,614 AUD
View
B
Retailer 10
-
$1,886 AUD
View
Most Expensive
B
MOH London
LG550255757 · Nov 3
$2,325 AUD
£1,258 GBP
View
10 more retailers have this diamond
Prices start from $424 AUDSave up to $1,902 AUD

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
$424 AUD