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Princess|Natural|IGI

3.15ct E SI1 Princess Natural Diamond

VG • E/SI1 • IGI 784684602

Shape and cutting style on the report: Princess cut

Certificate IGI 784684602

Diamond specifications and retailer prices

From £21,964 GBP
As of November 4, 2026
Save £4,405 GBP (17%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £26,369 GBP at Aurelinne · As of November 5, 2026
View at Aurelinne

About this 3.15ct natural princess diamond

This 3.15ct natural princess sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 784684602. Listed at 6 retailers as of November 4, 2026, with prices from £21,964 to £26,369, a £4,405 spread on the same certified stone. Aurelinne lists it at £26,369. 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

3.15
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle42°
Pavilion angle38.9°
OriginNatural
Grading LabIGI
CertificateIGI 784684602
Dimensions8.43 × 8.19 × 5.60 mm
L/W Ratio1.03
Culet sizeNone
Top View
8.43 mm8.19 mm3.15 ctE / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 784684602
Side View
Table 72.0%Crown 42°Girdle: VTN-MEDPavilion 38.9°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £26,369 GBP|Low: £21,964 GBP|High: £27,139 GBP|Avg: £24,734 GBP|-2.8%
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5£21,964 GBP
Retailer 3£21,966 GBP
Retailer 8£22,579 GBP
Retailer 7£24,123 GBP
Retailer 6£25,330 GBP
Retailer 4£25,392 GBP
Retailer 2£26,088 GBP
Aurelinne£26,369 GBP

5 data points across 8 retailers

6 retailers£21,964 GBP to £26,369 GBP

A
Cheapest Retailer
-
£21,964 GBP
A
Retailer 2
-
£21,966 GBP
View
B+
Retailer 3
-
£25,330 GBP
View
B+
Retailer 4
-
£25,392 GBP
View
B+
Retailer 5
-
£26,088 GBP
View
Most Expensive
B+
Aurelinne
1b9b0800-c13a-475e-b754-8a9301112cb4 · Nov 5
£26,369 GBP
$35,490 USD
View
5 more retailers have this diamond
Prices start from £21,964 GBPSave up to £4,405 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.

A
3.15ct Princess
£21,964 GBP