Princess|Natural|IGI

1.51ct K SI1 Princess Natural Diamond

VG • K/SI1 • IGI 712527473

Shape and cutting style on the report: Rectangular princess

Certificate IGI 712527473

Diamond specifications and retailer prices

From $3,071 AUD
As of November 4, 2026
Save $1,084 AUD (26%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,155 AUD at Yorxs · As of November 6, 2026
View at Yorxs

About this 1.51ct natural princess diamond

This 1.51ct natural princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 712527473. Listed at 3 retailers as of November 4, 2026, with prices from $3,071 to $4,155, a $1,084 spread on the same certified stone. Yorxs lists it at $4,155. 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
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle50.3°
Pavilion angle38.7°
OriginNatural
Grading LabIGI
CertificateIGI 712527473
Dimensions6.16 × 5.82 × 4.72 mm
L/W Ratio1.06
Culet sizePointed
Top View
6.16 mm5.82 mm1.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 712527473
Side View
Table 68.0%Crown 50.3°Girdle: ThickPavilion 38.7°Culet: NoneDepth 81.1%

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: Nov 4
Current: $3,071 AUD|Low: $3,071 AUD|High: $4,446 AUD|Avg: $3,956 AUD|-30.9%
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 1$3,071 AUD
Yorxs$4,155 AUD
Retailer 2$4,293 AUD

12 data points across 3 retailers

3 retailers$3,071 AUD to $4,155 AUD

B+
Cheapest Retailer
-
$3,071 AUD
Retailer 2
-
$3,078 AUD
View
Price last confirmed 19 days ago
Most Expensive
B+
Yorxs
388C9EAFA · Nov 6
$4,155 AUD
€2,719 EUR
View
2 more retailers have this diamond
Prices start from $3,071 AUDSave up to $1,084 AUD

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+
1.51ct Princess
$3,071 AUD