CaratHunter
Plans
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 £3,103 GBP
As of November 1, 2026
Save £1,877 GBP (38%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £4,980 GBP 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 £3,103 to £4,980, a £1,877 spread on the same certified stone. MOH London lists it at £4,980. 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 1
Current: £4,980 GBP|Low: £2,672 GBP|High: £5,040 GBP|Avg: £3,343 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 4£2,672 GBP
Retailer 5£2,683 GBP
Retailer 2£3,103 GBP
Retailer 3£3,370 GBP
MOH London£4,980 GBP

41 data points across 5 retailers

4 retailers£3,103 GBP to £4,980 GBP

Retailer 1
-
£2,672 GBP
$3,580 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
£3,103 GBP
View
B+
Retailer 3
-
£3,370 GBP
€4,301 EUR
View
Most Expensive
B
MOH London
3E8B9D7D2 · Nov 1
£4,980 GBP
View
3 more retailers have this diamond
Prices start from £3,103 GBPSave up to £1,877 GBP

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
£3,103 GBP