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Round|Natural|IGI

3.00ct G SI2 Round Natural Diamond

GD • G/SI2 • IGI 274701406

Shape and cutting style on the report: Round brilliant

Certificate IGI 274701406

Diamond specifications and retailer prices

From £14,360 GBP
As of November 4, 2026
Save £15,284 GBP (52%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £29,644 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by IGI 274701406. Listed at 15 retailers as of November 4, 2026, with prices from £14,360 to £29,644, a £15,284 spread on the same certified stone. Diamond Quarter lists it at £29,644. 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
G
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.4°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 274701406
Dimensions8.92 × 8.87 × 5.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.92 mm8.87 mm3.00 ctG / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 274701406
Side View
Table 56.0%Crown 38.4°Girdle: STK-VTKPavilion 40.3°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £19,368 GBP|Low: £13,099 GBP|High: £26,283 GBP|Avg: £17,862 GBP|+8.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 2£14,360 GBP
Retailer 13£14,459 GBP
Retailer 4£15,287 GBP
Retailer 6£15,380 GBP
Retailer 5£15,407 GBP
Retailer 14£15,936 GBP
Retailer 15£16,629 GBP
Retailer 12£17,460 GBP
Retailer 10£18,015 GBP
Retailer 8£18,708 GBP
Retailer 7£19,090 GBP
Retailer 1£19,368 GBP
Retailer 3£20,007 GBP
Retailer 9£23,558 GBP
Retailer 11£25,901 GBP

31 data points across 15 retailers

15 retailers£14,360 GBP to £29,644 GBP

B+
Cheapest Retailer
-
£14,360 GBP
B+
Retailer 2
-
£14,459 GBP
View
B+
Retailer 3
-
£15,287 GBP
View
B+
Retailer 4
-
£15,380 GBP
View
B+
Retailer 5
-
£15,407 GBP
View
B+
Retailer 6
-
£15,936 GBP
View
Final sale: no returns
Retailer 7
-
£16,629 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£17,460 GBP
View
B+
Retailer 9
-
£18,015 GBP
View
B+
Retailer 10
-
£18,708 GBP
View
B+
Retailer 11
-
£19,368 GBP
View
B+
Retailer 12
-
£20,007 GBP
View
B+
Retailer 13
-
£23,558 GBP
View
B+
Retailer 14
-
£25,901 GBP
View
Most Expensive
B
Diamond Quarter
3.0SI2G2706D8A1N · Nov 5
£29,644 GBP
View
14 more retailers have this diamond
Prices start from £14,360 GBPSave up to £15,284 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.

B+
3.00ct Round
£14,360 GBP