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Princess|Lab Grown|IGI

1.50ct D SI1 Princess Lab Grown Diamond

EX • D/SI1 • IGI LG519261650

Shape and cutting style on the report: Princess cut

Certificate IGI LG519261650

Diamond specifications and retailer prices

From $573 SGD
$448 USD
As of October 30, 2026
Save $760 SGD (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,333 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 1.5ct lab-grown princess diamond

This 1.5ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG519261650 or 519261650. Listed at 6 retailers as of October 26, 2026, with prices from $573 to $1,333, a $760 spread on the same certified stone. MOH London lists it at $1,333. 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

1.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle49.4°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519261650
Dimensions6.16 × 6.14 × 4.54 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.16 mm6.14 mm1.50 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG519261650
Side View
Table 66.0%Crown 49.4°Girdle: MediumPavilion 38.2°Culet: NoneDepth 73.9%

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: Oct 30
Current: $1,333 SGD|Low: $573 SGD|High: $1,644 SGD|Avg: $889 SGD|-11.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 5$573 SGD
Retailer 2$608 SGD
Retailer 3$626 SGD
Retailer 6$754 SGD
Retailer 4$1,304 SGD
MOH London$1,333 SGD

31 data points across 6 retailers

6 retailers$573 SGD to $1,333 SGD

B+
Cheapest Retailer
-
$573 SGD
$448 USD
A
Retailer 2
-
$608 SGD
£375 GBP
View
A
Retailer 3
-
$626 SGD
$490 USD
View
B+
Retailer 4
-
$754 SGD
$590 USD
View
Retailer 5
-
$1,304 SGD
$1,020 USD
View
Price last confirmed 10 days ago
Most Expensive
B
MOH London
LG519261650 · Oct 26
$1,333 SGD
£821 GBP
View
5 more retailers have this diamond
Prices start from $573 SGDSave up to $760 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
1.50ct Princess
$573 SGD