Princess|Natural|IGI

1.50ct I SI1 Princess Natural Diamond

VG • I/SI1 • IGI 576355688

Shape and cutting style on the report: Princess cut

Certificate IGI 576355688

Diamond specifications and retailer prices

From $3,153 USD
As of November 1, 2026
Save $3,035 USD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,188 USD 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 576355688. Listed at 15 retailers as of October 30, 2026, with prices from $3,153 to $6,188, a $3,035 spread on the same certified stone. NZ Jewellers lists it at $6,188. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.6°
Pavilion angle37.9°
OriginNatural
Grading LabIGI
CertificateIGI 576355688
Dimensions6.01 × 6.00 × 4.51 mm
L/W Ratio1.00
Culet sizePointed
Top View
6.01 mm6.00 mm1.50 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 576355688
Side View
Table 72.0%Crown 51.6°Girdle: Slightly ThickPavilion 37.9°Culet: NoneDepth 75.2%

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: $6,188 USD|Low: $3,153 USD|High: $6,243 USD|Avg: $3,982 USD|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 4$3,153 USD
Retailer 5$3,205 USD
Retailer 7$3,233 USD
Retailer 6$3,278 USD
Retailer 2$3,370 USD
Retailer 14$3,415 USD
Retailer 3$3,552 USD
Retailer 10$3,552 USD
Retailer 15$3,688 USD
Retailer 9$3,780 USD
Retailer 12$4,098 USD
Retailer 8$4,157 USD
Retailer 11$4,366 USD
Retailer 13$5,972 USD
NZ Jewellers$6,188 USD

27 data points across 15 retailers

15 retailers$3,153 USD to $6,188 USD

A
Cheapest Retailer
-
$3,153 USD
Retailer 2
-
$3,205 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$3,233 USD
View
A
Retailer 4
-
$3,278 USD
View
Final sale: no returns
A
Retailer 5
-
$3,370 USD
£2,654 GBP
View
B+
Retailer 6
-
$3,415 USD
View
A
Retailer 7
-
$3,552 USD
View
A
Retailer 8
-
$3,552 USD
View
A
Retailer 9
-
$3,688 USD
View
A
Retailer 10
-
$3,780 USD
£2,976 GBP
View
A
Retailer 11
-
$4,098 USD
View
B+
Retailer 12
-
$4,157 USD
€3,959 EUR
View
B+
Retailer 13
-
$4,366 USD
ZAR 70,529 ZAR
View
B
Retailer 14
-
$5,972 USD
£4,702 GBP
View
Most Expensive
B
NZ Jewellers
12226da1-5ba8-4dad-abd7-d82c3bd194d4 · Oct 30
$6,188 USD
View
14 more retailers have this diamond
Prices start from $3,153 USDSave up to $3,035 USD

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
$3,153 USD