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Princess|Lab Grown|IGI

1.80ct J SI2 Princess Lab Grown Diamond

ID • J/SI2 • IGI LG451058647

Shape and cutting style on the report: Princess cut

Certificate IGI LG451058647

Diamond specifications and retailer prices

From $1,563 SGD
$1,223 USD
As of October 30, 2026
Save $4,296 SGD (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,859 SGD at MOH London · As of October 29, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451058647 or 451058647. Listed at 9 retailers as of October 29, 2026, with prices from $1,563 to $5,859, a $4,296 spread on the same certified stone. MOH London lists it at $5,859. 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
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451058647
Dimensions6.58 × 6.49 × 4.83 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
6.58 mm6.49 mm1.80 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451058647
Side View
Table 69.5%Crown 40.2°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 74.4%

Caratlytics Score

How it works →
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: $5,859 SGD|Low: $1,563 SGD|High: $5,907 SGD|Avg: $2,872 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2$1,563 SGD
Retailer 4$1,750 SGD
Retailer 7$1,790 SGD
Retailer 6$2,575 SGD
Retailer 3$2,878 SGD
Retailer 5$3,476 SGD
MOH London$5,859 SGD

11 data points across 7 retailers

9 retailers$1,563 SGD to $5,859 SGD

A
Cheapest Retailer
-
$1,563 SGD
$1,223 USD
A
Retailer 2
-
$1,702 SGD
$1,331 USD
View
A
Retailer 3
-
$1,750 SGD
$1,369 USD
View
Final sale: no returns
A
Retailer 4
-
$1,814 SGD
$1,419 USD
View
Retailer 5
-
$1,814 SGD
$1,419 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$2,878 SGD
$2,251 USD
View
B
Retailer 7
-
$3,401 SGD
$2,660 USD
View
B
Retailer 8
-
$3,476 SGD
$2,719 USD
View
Most Expensive
B
MOH London
LG451058647 · Oct 29
$5,859 SGD
£3,609 GBP
View
8 more retailers have this diamond
Prices start from $1,563 SGDSave up to $4,296 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
$1,563 SGD