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Princess|Lab Grown|IGI

1.80ct I SI2 Princess Lab Grown Diamond

ID • I/SI2 • IGI LG451056586

Shape and cutting style on the report: Princess cut

Certificate IGI LG451056586

Diamond specifications and retailer prices

From $1,316 SGD
As of November 4, 2026
Save $5,025 SGD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,341 SGD at MOH London · As of November 3, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451056586 or 451056586. Listed at 10 retailers as of November 3, 2026, with prices from $1,316 to $6,341, a $5,025 spread on the same certified stone. MOH London lists it at $6,341. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056586
Dimensions6.80 × 6.56 × 4.55 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
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Top View
6.80 mm6.56 mm1.80 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056586
Side View
Table 74.0%Crown 43.7°Girdle: MediumPavilion 38.2°Culet: NoneDepth 69.4%

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: Nov 4
Current: $6,341 SGD|Low: $1,316 SGD|High: $6,417 SGD|Avg: $2,829 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 2$1,316 SGD
Retailer 3$1,701 SGD
Retailer 7$1,851 SGD
Retailer 8$1,904 SGD
Retailer 4$1,973 SGD
Retailer 10$2,726 SGD
Retailer 5$3,122 SGD
Retailer 9$3,679 SGD
Retailer 6$3,699 SGD
MOH London$6,341 SGD

16 data points across 10 retailers

10 retailers$1,316 SGD to $6,341 SGD

A
Cheapest Retailer
-
$1,316 SGD
B+
Retailer 2
-
$1,701 SGD
View
B+
Retailer 3
-
$1,851 SGD
View
B+
Retailer 4
-
$1,904 SGD
View
Final sale: no returns
B+
Retailer 5
-
$1,973 SGD
View
Retailer 6
-
$1,973 SGD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$3,122 SGD
View
B
Retailer 8
-
$3,679 SGD
View
B
Retailer 9
-
$3,699 SGD
View
Most Expensive
B
MOH London
LG451056586 · Nov 3
$6,341 SGD
£3,909 GBP
View
9 more retailers have this diamond
Prices start from $1,316 SGDSave up to $5,025 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
$1,316 SGD