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Princess|Natural|IGI

1.50ct J SI1 Princess Natural Diamond

EX • J/SI1 • IGI 778617681

Shape and cutting style on the report: Princess cut

Certificate IGI 778617681

Diamond specifications and retailer prices

From $2,576 SGD
₹191,917 INR
As of November 1, 2026
Save $4,481 SGD (63%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,057 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural princess diamond

This 1.5ct natural 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 778617681. Listed at 19 retailers as of October 30, 2026, with prices from $2,576 to $7,057, a $4,481 spread on the same certified stone. NZ Jewellers lists it at $7,057. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.2°
Pavilion angle38.1°
OriginNatural
Grading LabIGI
CertificateIGI 778617681
Dimensions6.15 × 6.04 × 4.40 mm
L/W Ratio1.02
Culet sizePointed
Top View
6.15 mm6.04 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 778617681
Side View
Table 73.0%Crown 51.2°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 72.8%

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 1
Current: $4,214 SGD|Low: $2,570 SGD|High: $5,986 SGD|Avg: $3,873 SGD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$2,576 SGD
Retailer 6$3,055 SGD
Retailer 7$3,505 SGD
Retailer 2$3,672 SGD
Retailer 5$4,149 SGD
Retailer 1$4,214 SGD
Retailer 4$5,915 SGD

38 data points across 7 retailers

19 retailers$2,576 SGD to $7,057 SGD

A
Cheapest Retailer
-
$2,576 SGD
₹191,917 INR
A
Retailer 2
-
$3,022 SGD
$2,364 USD
View
A
Retailer 3
-
$3,055 SGD
$2,390 USD
View
A
Retailer 4
-
$3,284 SGD
$2,569 USD
View
A
Retailer 5
-
$3,330 SGD
$2,605 USD
View
B+
Retailer 6
-
$3,375 SGD
$2,640 USD
View
B+
Retailer 7
-
$3,375 SGD
$2,640 USD
View
B+
Retailer 8
-
$3,505 SGD
$2,742 USD
View
B+
Retailer 9
-
$3,556 SGD
$2,782 USD
View
B+
Retailer 10
-
$3,557 SGD
$2,782 USD
View
Retailer 11
-
$3,624 SGD
$2,835 USD
View
Price last confirmed 11 days ago
A
Retailer 12
-
$3,672 SGD
£2,262 GBP
View
Retailer 13
-
$3,895 SGD
$3,047 USD
View
Price last confirmed 56 days ago
B+
Retailer 14
-
$3,895 SGD
$3,047 USD
View
B+
Retailer 15
-
$3,976 SGD
$3,110 USD
View
B+
Retailer 16
-
$4,149 SGD
ZAR 52,434 ZAR
View
B+
Retailer 17
-
$4,214 SGD
€3,139 EUR
View
B
Retailer 18
-
$5,915 SGD
£3,643 GBP
View
Most Expensive
B
NZ Jewellers
5f9c12c0-2ac3-4514-8ded-5db053f7fc23 · Oct 30
$7,057 SGD
$5,520 USD
View
18 more retailers have this diamond
Prices start from $2,576 SGDSave up to $4,481 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
$2,576 SGD