Princess|Natural|IGI

0.51ct J SI1 Princess Natural Diamond

VG • J/SI1 • IGI 692554517

Shape and cutting style on the report: Princess cut

Certificate IGI 692554517

Diamond specifications and retailer prices

From $280 USD
As of November 6, 2026
Save $1,206 USD (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,486 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural princess diamond

This 0.51ct natural princess sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 692554517. Listed at 8 retailers as of November 5, 2026, with prices from $280 to $1,486, a $1,206 spread on the same certified stone. NZ Jewellers lists it at $1,486. 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

0.51
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle50.2°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 692554517
Dimensions4.22 × 4.20 × 3.15 mm
L/W Ratio1.00
Culet sizePointed
Top View
4.22 mm4.20 mm0.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 692554517
Side View
Table 73.0%Crown 50.2°Girdle: ThickPavilion 39.1°Culet: NoneDepth 75.0%

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 6
Current: $1,486 USD|Low: $280 USD|High: $1,495 USD|Avg: $689 USD|-0.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$280 USD
Retailer 8$518 USD
Retailer 3$519 USD
Retailer 5$560 USD
Retailer 4$601 USD
Retailer 7$702 USD
Retailer 6$894 USD
NZ Jewellers$1,486 USD

41 data points across 8 retailers

8 retailers$280 USD to $1,486 USD

A
Cheapest Retailer
-
$280 USD
B
Retailer 2
-
$518 USD
View
B
Retailer 3
-
$519 USD
View
B
Retailer 4
-
$560 USD
View
B
Retailer 5
-
$601 USD
View
B
Retailer 6
-
$702 USD
View
B
Retailer 7
-
$894 USD
View
Most Expensive
C
NZ Jewellers
b32a7573-e04a-4831-8470-059d5cf9da8d · Nov 5
$1,486 USD
View
7 more retailers have this diamond
Prices start from $280 USDSave up to $1,206 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
0.51ct Princess
$280 USD