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Princess|Natural|IGI

1.20ct K SI1 Princess Natural Diamond

VG • K/SI1 • IGI 257749441

Shape and cutting style on the report: Princess cut

Certificate IGI 257749441

Diamond specifications and retailer prices

From $1,700 AUD
As of November 6, 2026
Save $1,362 AUD (44%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,062 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.2ct natural princess diamond

This 1.2ct natural princess sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 257749441. Listed at 4 retailers as of November 4, 2026, with prices from $1,700 to $3,062, a $1,362 spread on the same certified stone. MOH London lists it at $3,062. 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

1.20
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryGood
FluorescenceFaint
Crown angle23.5°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 257749441
Dimensions6.29 × 6.23 × 4.07 mm
L/W Ratio1.01
Culet sizePointed
Top View
6.29 mm6.23 mm1.20 ctK / SI1
OriginNatural
CutVery Good
PolishGood
SymmetryGood
FluorescenceFaint
CertificateIGI 257749441
Side View
Table 74.0%Crown 23.5°Girdle: ETN-THNPavilion 40.1°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $3,062 AUD|Low: $1,700 AUD|High: $3,627 AUD|Avg: $2,443 AUD|-14.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4$1,700 AUD
Retailer 3$1,913 AUD
Retailer 2$2,334 AUD
MOH London$3,062 AUD

39 data points across 4 retailers

4 retailers$1,700 AUD to $3,062 AUD

B+
Cheapest Retailer
-
$1,700 AUD
B+
Retailer 2
-
$1,913 AUD
View
B+
Retailer 3
-
$2,334 AUD
View
Most Expensive
B
MOH London
AF72544E0 · Nov 4
$3,062 AUD
£1,688 GBP
View
3 more retailers have this diamond
Prices start from $1,700 AUDSave up to $1,362 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+
1.20ct Princess
$1,700 AUD