Princess|Natural|IGI

1.51ct I SI2 Princess Natural Diamond

VG • I/SI2 • IGI 660411191

Shape and cutting style on the report: Princess cut

Certificate IGI 660411191

Diamond specifications and retailer prices

From $2,381 USD
As of November 4, 2026
Save $3,176 USD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,557 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 660411191. Listed at 15 retailers as of November 4, 2026, with prices from $2,381 to $5,557, a $3,176 spread on the same certified stone. NZ Jewellers lists it at $5,557. 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

1.51
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle46°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 660411191
Dimensions6.31 × 6.10 × 4.58 mm
L/W Ratio1.03
Culet sizePointed
Top View
6.31 mm6.10 mm1.51 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 660411191
Side View
Table 71.0%Crown 46°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 75.1%

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: $5,557 USD|Low: $2,249 USD|High: $5,557 USD|Avg: $3,044 USD
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
Retailer 16
November 6, 2026
Retailer 3$2,381 USD
Retailer 14$2,425 USD
Retailer 15$2,453 USD
Retailer 5$2,485 USD
Retailer 2$2,578 USD
Retailer 6$2,579 USD
Retailer 12$2,658 USD
Retailer 16$2,658 USD
Retailer 11$2,760 USD
Retailer 8$2,798 USD
Retailer 4$2,800 USD
Retailer 13$3,067 USD
Retailer 7$3,162 USD
Retailer 9$3,301 USD
Retailer 10$4,644 USD
NZ Jewellers$5,557 USD

45 data points across 16 retailers

15 retailers$2,381 USD to $5,557 USD

A
Cheapest Retailer
-
$2,381 USD
Retailer 2
-
$2,425 USD
View
Price last confirmed 16 days ago
B+
Retailer 3
-
$2,453 USD
View
Final sale: no returns
A
Retailer 4
-
$2,485 USD
View
A
Retailer 5
-
$2,578 USD
View
B+
Retailer 6
-
$2,579 USD
View
Retailer 7
-
$2,658 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$2,658 USD
View
B+
Retailer 9
-
$2,760 USD
View
B+
Retailer 10
-
$2,798 USD
View
B+
Retailer 11
-
$2,800 USD
View
B+
Retailer 12
-
$3,067 USD
View
B+
Retailer 13
-
$3,301 USD
View
B+
Retailer 14
-
$4,644 USD
View
Most Expensive
B
NZ Jewellers
8fbd806a-dda4-45ff-a45c-f1401b98c207 · Nov 5
$5,557 USD
View
14 more retailers have this diamond
Prices start from $2,381 USDSave up to $3,176 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
1.51ct Princess
$2,381 USD