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3.10ct M SI2 Round Natural Diamond

EX • M/SI2 • IGI 573303554

Shape and cutting style on the report: Round brilliant

Certificate IGI 573303554

Diamond specifications and retailer prices

From £4,990 GBP
As of November 5, 2026
Save £4,664 GBP (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £9,654 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 3.1ct natural round diamond

This 3.1ct natural round sits in the three to five carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 573303554. Listed at 10 retailers as of November 5, 2026, with prices from £4,990 to £9,654, a £4,664 spread on the same certified stone. NZ Jewellers lists it at £9,654. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.10
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.4°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 573303554
Dimensions9.25 × 9.30 × 5.81 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
9.25 mm9.30 mm3.10 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 573303554
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.6%

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: £9,654 GBP|Low: £4,990 GBP|High: £11,325 GBP|Avg: £6,729 GBP|-14.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7£4,990 GBP
Retailer 9£5,336 GBP
Retailer 2£5,355 GBP
Retailer 10£5,656 GBP
Retailer 6£5,772 GBP
Retailer 3£5,835 GBP
Retailer 8£5,861 GBP
Retailer 5£6,195 GBP
Retailer 4£6,593 GBP
NZ Jewellers£9,654 GBP

31 data points across 10 retailers

10 retailers£4,990 GBP to £9,654 GBP

A
Cheapest Retailer
-
£4,990 GBP
A
Retailer 2
-
£5,336 GBP
View
A
Retailer 3
-
£5,355 GBP
View
Retailer 4
-
£5,656 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£5,772 GBP
View
A
Retailer 6
-
£5,835 GBP
View
A
Retailer 7
-
£5,861 GBP
View
A
Retailer 8
-
£6,195 GBP
View
A
Retailer 9
-
£6,593 GBP
View
Most Expensive
B+
NZ Jewellers
359556f9-0def-44a3-94d5-d996fdefbc63 · Nov 5
£9,654 GBP
$12,994 USD
View
9 more retailers have this diamond
Prices start from £4,990 GBPSave up to £4,664 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
3.10ct Round
£4,990 GBP