CaratHunter
Plans
Princess|Lab Grown|IGI

1.80ct I SI2 Princess Lab Grown Diamond

ID • I/SI2 • IGI LG451056586

Shape and cutting style on the report: Princess cut

Certificate IGI LG451056586

Diamond specifications and retailer prices

From $1,471 AUD
As of November 4, 2026
Save $5,620 AUD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,092 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451056586 or 451056586. Listed at 10 retailers as of November 3, 2026, with prices from $1,471 to $7,092, a $5,620 spread on the same certified stone. MOH London lists it at $7,092. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056586
Dimensions6.80 × 6.56 × 4.55 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
undefined
Top View
6.80 mm6.56 mm1.80 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056586
Side View
Table 74.0%Crown 43.7°Girdle: MediumPavilion 38.2°Culet: NoneDepth 69.4%

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 4
Current: $7,092 AUD|Low: $1,471 AUD|High: $7,177 AUD|Avg: $3,164 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 2$1,471 AUD
Retailer 3$1,903 AUD
Retailer 7$2,070 AUD
Retailer 8$2,130 AUD
Retailer 4$2,207 AUD
Retailer 10$3,048 AUD
Retailer 5$3,491 AUD
Retailer 9$4,114 AUD
Retailer 6$4,137 AUD
MOH London$7,092 AUD

16 data points across 10 retailers

10 retailers$1,471 AUD to $7,092 AUD

A
Cheapest Retailer
-
$1,471 AUD
B+
Retailer 2
-
$1,903 AUD
View
B+
Retailer 3
-
$2,070 AUD
View
B+
Retailer 4
-
$2,130 AUD
View
Final sale: no returns
B+
Retailer 5
-
$2,207 AUD
View
Retailer 6
-
$2,207 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$3,491 AUD
View
B
Retailer 8
-
$4,114 AUD
View
B
Retailer 9
-
$4,137 AUD
View
Most Expensive
B
MOH London
LG451056586 · Nov 3
$7,092 AUD
£3,909 GBP
View
9 more retailers have this diamond
Prices start from $1,471 AUDSave up to $5,620 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
$1,471 AUD