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Princess|Lab Grown|IGI

1.90ct K SI1 Princess Lab Grown Diamond

ID • K/SI1 • IGI LG451056589

Shape and cutting style on the report: Princess cut

Certificate IGI LG451056589

Diamond specifications and retailer prices

From $1,464 SGD
As of November 6, 2026
Save $3,979 SGD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,442 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.9ct lab-grown princess diamond

This 1.9ct 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 LG451056589 or 451056589. Listed at 10 retailers as of November 5, 2026, with prices from $1,464 to $5,442, a $3,979 spread on the same certified stone. MOH London lists it at $5,442. 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

1.90
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056589
Dimensions6.71 × 6.69 × 4.82 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
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Top View
6.71 mm6.69 mm1.90 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056589
Side View
Table 69.5%Crown 46.4°Girdle: MediumPavilion 38.6°Culet: NoneDepth 72.0%

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: $5,442 SGD|Low: $1,406 SGD|High: $5,530 SGD|Avg: $2,674 SGD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$1,464 SGD
Retailer 5$1,699 SGD
Retailer 7$1,699 SGD
Retailer 3$1,922 SGD
Retailer 2$2,362 SGD
Retailer 9$2,440 SGD
Retailer 6$2,699 SGD
Retailer 8$3,347 SGD
MOH London$5,442 SGD

40 data points across 9 retailers

10 retailers$1,464 SGD to $5,442 SGD

A
Cheapest Retailer
-
$1,464 SGD
A
Retailer 2
-
$1,593 SGD
View
A
Retailer 3
-
$1,699 SGD
View
Retailer 4
-
$1,699 SGD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$1,922 SGD
View
B+
Retailer 6
-
$2,362 SGD
View
B+
Retailer 7
-
$2,699 SGD
View
B
Retailer 8
-
$3,184 SGD
View
B
Retailer 9
-
$3,347 SGD
View
Most Expensive
B
MOH London
LG451056589 · Nov 5
$5,442 SGD
£3,355 GBP
View
9 more retailers have this diamond
Prices start from $1,464 SGDSave up to $3,979 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
1.90ct Princess
$1,464 SGD