CaratHunter
Plans
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 $291 USD
As of November 6, 2026
Save $1,307 USD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,598 USD 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 $291 to $1,598, a $1,307 spread on the same certified stone. MOH London lists it at $1,598. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,598 USD|Low: $454 USD|High: $1,607 USD|Avg: $956 USD|+27.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$583 USD
Retailer 5$593 USD
Retailer 2$704 USD
Retailer 7$934 USD
Retailer 3$1,010 USD
Retailer 4$1,109 USD
Retailer 6$1,296 USD
MOH London$1,598 USD

13 data points across 8 retailers

11 retailers$291 USD to $1,598 USD

Retailer 1
-
$228 USD
Price last confirmed 45 days ago
Retailer 2
-
$279 USD
View
Price last confirmed 44 days ago
A
Retailer 3
-
$291 USD
View
A
Retailer 4
-
$338 USD
View
B+
Retailer 5
-
$593 USD
View
B+
Retailer 6
-
$704 USD
View
B+
Retailer 7
-
$934 USD
View
B
Retailer 8
-
$1,010 USD
View
B
Retailer 9
-
$1,109 USD
View
B
Retailer 10
-
$1,296 USD
View
Most Expensive
B
MOH London
LG550255757 · Nov 3
$1,598 USD
£1,258 GBP
View
10 more retailers have this diamond
Prices start from $291 USDSave up to $1,307 USD

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
$291 USD