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Round|Natural|IGI

3.00ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 819641799

Shape and cutting style on the report: Round brilliant

Certificate IGI 819641799

Diamond specifications and retailer prices

From £7,882 GBP
As of November 5, 2026
Save £3,025 GBP (28%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £16,387 GBP at Rare Carat · As of October 7, 2026
View at Rare Carat

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 819641799. Listed at 8 retailers as of November 5, 2026, with a 38% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.00
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 819641799
Dimensions9.15 × 9.22 × 5.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeVery Small
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.15 mm9.22 mm3.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 819641799
Side View
Table 54.0%Crown 34.4°Girdle: MED-STKPavilion 40.2°Culet: Very SmallDepth 61.9%

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: £9,057 GBP|Low: £7,041 GBP|High: £16,387 GBP|Avg: £10,286 GBP|-3.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 9£7,041 GBP
Retailer 2£7,882 GBP
Rare Carat£9,057 GBP
Retailer 4£9,259 GBP
Retailer 5£10,603 GBP
Retailer 3£10,667 GBP
Retailer 8£10,908 GBP
Retailer 6£11,393 GBP
Retailer 7£11,930 GBP

31 data points across 9 retailers

8 retailers£7,882 GBP to £10,908 GBP

A
Cheapest Retailer
-
£7,882 GBP
A
Retailer 2
-
£9,057 GBP
View
A
Retailer 3
-
£9,259 GBP
View
A
Retailer 4
-
£10,603 GBP
View
A
Retailer 5
-
£10,667 GBP
View
A
Retailer 6
-
£10,908 GBP
View
Retailer 7
-
£11,393 GBP
View
Price last confirmed 11 days ago
Most Expensive
Rare Carat
BSD03677052_803677052 · Oct 7
£16,387 GBP
$22,055 USD
View
Price last confirmed 30 days ago
7 more retailers have this diamond
Prices start from £7,882 GBPSave up to £3,025 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
3.00ct Round
£7,882 GBP