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Princess|Lab Grown|IGI

1.80ct K SI1 Princess Lab Grown Diamond

ID • K/SI1 • IGI LG447099800

Shape and cutting style on the report: Princess cut

Certificate IGI LG447099800

Diamond specifications and retailer prices

From $1,554 AUD
As of November 6, 2026
Save $4,541 AUD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,096 AUD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099800 or 447099800. Listed at 9 retailers as of November 5, 2026, with prices from $1,554 to $6,096, a $4,541 spread on the same certified stone. MOH London lists it at $6,096. 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
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099800
Dimensions6.55 × 6.54 × 4.74 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
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Top View
6.55 mm6.54 mm1.80 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099800
Side View
Table 72.5%Crown 45.4°Girdle: Slightly ThickPavilion 38.7°Culet: NoneDepth 72.5%

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: $6,096 AUD|Low: $1,554 AUD|High: $6,194 AUD|Avg: $3,561 AUD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$1,554 AUD
Retailer 2$2,050 AUD
Retailer 6$2,604 AUD
Retailer 4$2,868 AUD
Retailer 5$3,656 AUD
Retailer 7$5,158 AUD
MOH London$6,096 AUD

15 data points across 7 retailers

9 retailers$1,554 AUD to $6,096 AUD

A
Cheapest Retailer
-
$1,554 AUD
A
Retailer 2
-
$1,690 AUD
View
A
Retailer 3
-
$1,803 AUD
View
Retailer 4
-
$1,803 AUD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$2,050 AUD
View
B+
Retailer 6
-
$2,868 AUD
View
B
Retailer 7
-
$3,378 AUD
View
B
Retailer 8
-
$3,656 AUD
View
Most Expensive
B
MOH London
LG447099800 · Nov 5
$6,096 AUD
£3,360 GBP
View
8 more retailers have this diamond
Prices start from $1,554 AUDSave up to $4,541 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
$1,554 AUD