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Princess|Lab Grown|IGI

1.63ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG436073778

Shape and cutting style on the report: Princess cut

Certificate IGI LG436073778

Diamond specifications and retailer prices

From $1,176 SGD
$920 USD
As of October 30, 2026
Save $4,615 SGD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,791 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.63ct lab-grown princess diamond

This 1.63ct lab-grown princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436073778 or 436073778. Listed at 11 retailers as of October 29, 2026, with prices from $1,176 to $5,791, a $4,615 spread on the same certified stone. MOH London lists it at $5,791. 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

1.63
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.5°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073778
Dimensions6.55 × 6.45 × 4.42 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
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Top View
6.55 mm6.45 mm1.63 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436073778
Side View
Table 72.5%Crown 43.5°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 68.5%

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: $5,791 SGD|Low: $1,176 SGD|High: $5,829 SGD|Avg: $2,863 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,176 SGD
Retailer 3$1,546 SGD
Retailer 5$1,731 SGD
Retailer 9$1,768 SGD
Retailer 6$2,013 SGD
Retailer 8$2,540 SGD
Retailer 4$2,843 SGD
Retailer 7$3,434 SGD
Retailer 10$5,134 SGD
MOH London$5,791 SGD

13 data points across 10 retailers

11 retailers$1,176 SGD to $5,791 SGD

A
Cheapest Retailer
-
$1,176 SGD
$920 USD
B+
Retailer 2
-
$1,546 SGD
$1,209 USD
View
A
Retailer 3
-
$1,681 SGD
$1,315 USD
View
B+
Retailer 4
-
$1,731 SGD
$1,354 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,792 SGD
$1,402 USD
View
Retailer 6
-
$1,792 SGD
$1,402 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$2,013 SGD
$1,575 USD
View
B
Retailer 8
-
$2,843 SGD
$2,224 USD
View
B
Retailer 9
-
$3,360 SGD
$2,628 USD
View
B
Retailer 10
-
$3,434 SGD
$2,686 USD
View
Most Expensive
B
MOH London
LG436073778 · Oct 29
$5,791 SGD
£3,567 GBP
View
10 more retailers have this diamond
Prices start from $1,176 SGDSave up to $4,615 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
1.63ct Princess
$1,176 SGD