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Round|Natural|IGI

3.00ct H SI2 Round Natural Diamond

VG • H/SI2 • IGI 600314010

Shape and cutting style on the report: Round brilliant

Certificate IGI 600314010

Diamond specifications and retailer prices

From £12,134 GBP
As of November 5, 2026
Save £14,199 GBP (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £26,333 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 very-good cut grade and certified by IGI 600314010. Listed at 16 retailers as of November 5, 2026, with prices from £12,134 to £26,333, a £14,199 spread on the same certified stone. Diamond Quarter lists it at £26,333. 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

3.00
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle30.3°
Pavilion angle39.5°
OriginNatural
Grading LabIGI
CertificateIGI 600314010
Dimensions9.73 × 9.63 × 5.32 mm
L/W Ratio1.01
Culet sizeSmall
Top View
9.73 mm9.63 mm3.00 ctH / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateIGI 600314010
Side View
Table 61.0%Crown 30.3°Girdle: THN-STKPavilion 39.5°Culet: SmallDepth 55.0%

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 5
Current: £15,688 GBP|Low: £12,134 GBP|High: £22,502 GBP|Avg: £16,635 GBP|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 4£12,134 GBP
Retailer 2£13,694 GBP
Retailer 11£14,275 GBP
Retailer 6£15,641 GBP
Retailer 1£15,688 GBP
Retailer 3£15,715 GBP
Retailer 7£16,138 GBP
Retailer 10£16,561 GBP
Retailer 8£16,758 GBP
Retailer 9£19,118 GBP
Retailer 5£21,019 GBP

39 data points across 11 retailers

16 retailers£12,134 GBP to £26,333 GBP

A
Cheapest Retailer
-
£12,134 GBP
B+
Retailer 2
-
£13,694 GBP
View
Retailer 3
-
£13,952 GBP
View
Price last confirmed 82 days ago
B+
Retailer 4
-
£14,275 GBP
View
Final sale: no returns
B+
Retailer 5
-
£15,641 GBP
View
B+
Retailer 6
-
£15,688 GBP
View
B+
Retailer 7
-
£16,138 GBP
View
Retailer 8
-
£16,138 GBP
View
Price last confirmed 17 days ago
B+
Retailer 9
-
£16,561 GBP
View
B+
Retailer 10
-
£16,758 GBP
View
Retailer 11
-
£16,758 GBP
View
Price last confirmed 19 days ago
B+
Retailer 12
-
£17,347 GBP
View
B+
Retailer 13
-
£19,118 GBP
View
Retailer 14
-
£19,118 GBP
View
Price last confirmed 20 days ago
B+
Retailer 15
-
£21,019 GBP
View
Most Expensive
B
Diamond Quarter
3.0SI2H60104DEFN · Nov 5
£26,333 GBP
View
15 more retailers have this diamond
Prices start from £12,134 GBPSave up to £14,199 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
£12,134 GBP