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Round|Natural|IGI

3.03ct I SI2 Round Natural Diamond

VG • I/SI2 • IGI 803653345

Shape and cutting style on the report: Round brilliant

Certificate IGI 803653345

Diamond specifications and retailer prices

From £9,560 GBP
As of November 5, 2026
Save £7,776 GBP (45%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £17,336 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.03ct natural round diamond

This 3.03ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 803653345. Listed at 4 retailers as of November 4, 2026, with prices from £9,560 to £17,336, a £7,776 spread on the same certified stone. MOH London lists it at £17,336. 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

3.03
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 803653345
Dimensions9.01 × 9.06 × 5.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.01 mm9.06 mm3.03 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803653345
Side View
Table 55.0%Crown 37.6°Girdle: Slightly ThickPavilion 40°CuletDepth 64.0%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £17,336 GBP|Low: £9,560 GBP|High: £18,119 GBP|Avg: £13,110 GBP|-3.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2£9,560 GBP
Retailer 4£11,234 GBP
Retailer 3£13,419 GBP
MOH London£17,336 GBP

45 data points across 4 retailers

4 retailers£9,560 GBP to £17,336 GBP

A
Cheapest Retailer
-
£9,560 GBP
B+
Retailer 2
-
£11,234 GBP
View
B+
Retailer 3
-
£13,419 GBP
View
Most Expensive
B+
MOH London
C89161A79 · Nov 4
£17,336 GBP
View
3 more retailers have this diamond
Prices start from £9,560 GBPSave up to £7,776 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
3.03ct Round
£9,560 GBP