CaratHunter
Plans
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 $1,390 SGD
As of November 6, 2026
Save $4,061 SGD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,450 SGD 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 $1,390 to $5,450, a $4,061 spread on the same certified stone. MOH London lists it at $5,450. 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
undefined
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

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: $5,450 SGD|Low: $1,390 SGD|High: $5,538 SGD|Avg: $3,184 SGD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$1,390 SGD
Retailer 2$1,833 SGD
Retailer 6$2,329 SGD
Retailer 4$2,565 SGD
Retailer 5$3,269 SGD
Retailer 7$4,612 SGD
MOH London$5,450 SGD

15 data points across 7 retailers

9 retailers$1,390 SGD to $5,450 SGD

A
Cheapest Retailer
-
$1,390 SGD
A
Retailer 2
-
$1,511 SGD
View
A
Retailer 3
-
$1,612 SGD
View
Retailer 4
-
$1,612 SGD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$1,833 SGD
View
B+
Retailer 6
-
$2,565 SGD
View
B
Retailer 7
-
$3,021 SGD
View
B
Retailer 8
-
$3,269 SGD
View
Most Expensive
B
MOH London
LG447099800 · Nov 5
$5,450 SGD
£3,360 GBP
View
8 more retailers have this diamond
Prices start from $1,390 SGDSave up to $4,061 SGD

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
$1,390 SGD