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Princess|Lab Grown|IGI

1.83ct J I1 Princess Lab Grown Diamond

ID • J/I1 • IGI LG447000354

Shape and cutting style on the report: Princess cut

Certificate IGI LG447000354

Diamond specifications and retailer prices

From $1,200 SGD
$939 USD
As of October 30, 2026
Save $2,717 SGD (69%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,731 SGD at MOH London · As of October 25, 2026
View at MOH London

About this 1.83ct lab-grown princess diamond

This 1.83ct lab-grown princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI LG447000354 or 447000354. Listed at 8 retailers as of October 30, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
J
Colour
I1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000354
Dimensions6.68 × 6.52 × 4.70 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
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Top View
6.68 mm6.52 mm1.83 ctJ / I1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000354
Side View
Table 73.0%Crown 45.1°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 72.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,731 SGD|Low: $1,153 SGD|High: $4,781 SGD|Avg: $2,193 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 3$1,200 SGD
Retailer 8$1,307 SGD
Retailer 4$1,393 SGD
Retailer 7$1,393 SGD
Retailer 9$2,067 SGD
Retailer 5$2,232 SGD
Retailer 2$3,003 SGD
Retailer 6$3,917 SGD
MOH London$4,731 SGD

13 data points across 9 retailers

8 retailers$1,200 SGD to $3,917 SGD

B+
Cheapest Retailer
-
$1,200 SGD
$939 USD
B+
Retailer 2
-
$1,307 SGD
$1,022 USD
View
B+
Retailer 3
-
$1,393 SGD
$1,090 USD
View
Retailer 4
-
$1,393 SGD
$1,090 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
$2,232 SGD
$1,746 USD
View
B
Retailer 6
-
$3,003 SGD
$2,349 USD
View
B
Retailer 7
-
$3,917 SGD
$3,064 USD
View
Most Expensive
MOH London
LG447000354 · Oct 25
$4,731 SGD
£2,914 GBP
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from $1,200 SGDSave up to $2,717 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.

B+
1.83ct Princess
$1,200 SGD