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Princess|Natural|IGI

1.31ct I VS1 Princess Natural Diamond

VG • I/VS1 • IGI 578341627

Shape and cutting style on the report: Princess cut

Certificate IGI 578341627

Diamond specifications and retailer prices

From $5,919 AUD
£3,274 GBP
As of November 2, 2026
Save $3,580 AUD (38%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $9,499 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.31ct natural princess diamond

This 1.31ct natural princess sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 578341627. Listed at 4 retailers as of November 1, 2026, with prices from $5,919 to $9,499, a $3,580 spread on the same certified stone. MOH London lists it at $9,499. 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

1.31
Carat
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.2°
Pavilion angle37.2°
OriginNatural
Grading LabIGI
CertificateIGI 578341627
Dimensions5.85 × 5.80 × 4.23 mm
L/W Ratio1.01
Culet sizePointed
Top View
5.85 mm5.80 mm1.31 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 578341627
Side View
Table 69.0%Crown 49.2°Girdle: Slightly ThickPavilion 37.2°Culet: NoneDepth 72.9%

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 2
Current: $9,499 AUD|Low: $5,096 AUD|High: $9,613 AUD|Avg: $6,392 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4$5,096 AUD
Retailer 5$5,118 AUD
Retailer 3$5,919 AUD
Retailer 2$6,426 AUD
MOH London$9,499 AUD

41 data points across 5 retailers

4 retailers$5,919 AUD to $9,499 AUD

Retailer 1
-
$5,096 AUD
$3,580 USD
Price last confirmed 15 days ago
B+
Retailer 2
-
$5,919 AUD
£3,274 GBP
View
B+
Retailer 3
-
$6,426 AUD
€4,299 EUR
View
Most Expensive
B
MOH London
3E8B9D7D2 · Nov 1
$9,499 AUD
£5,254 GBP
View
3 more retailers have this diamond
Prices start from $5,919 AUDSave up to $3,580 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+
1.31ct Princess
$5,919 AUD