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Round|Natural|GIA

3.00ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6431198905

Certificate GIA 6431198905

Diamond specifications and retailer prices

From £10,157 GBP
As of November 1, 2026
Save £5,836 GBP (36%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £15,993 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6431198905. Listed at 15 retailers as of November 1, 2026, with prices from £10,157 to £15,993, a £5,836 spread on the same certified stone. MOH London lists it at £15,993. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6431198905
Dimensions9.22 × 9.19 × 5.72 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
9.22 mm9.19 mm3.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6431198905
Side View
Table 58.0%Crown 34°Girdle: STK-STKPavilion 41.4°Culet: NoneDepth 62.1%

Caratlytics Score

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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 1
Current: £15,993 GBP|Low: £8,838 GBP|High: £16,230 GBP|Avg: £12,021 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 3£8,838 GBP
Retailer 4£10,157 GBP
Retailer 13£10,350 GBP
Retailer 6£10,781 GBP
Retailer 5£11,173 GBP
Retailer 12£11,334 GBP
Retailer 7£11,791 GBP
Retailer 8£12,090 GBP
Retailer 2£12,279 GBP
Retailer 10£12,750 GBP
Retailer 9£12,883 GBP
Retailer 11£14,546 GBP
MOH London£15,993 GBP

29 data points across 13 retailers

15 retailers£10,157 GBP to £15,993 GBP

Retailer 1
-
£8,838 GBP
Price last confirmed 16 days ago
Retailer 2
-
£9,449 GBP
View
Price last confirmed 17 days ago
A
Retailer 3
-
£10,157 GBP
View
A
Retailer 4
-
£10,350 GBP
View
A
Retailer 5
-
£10,420 GBP
View
A
Retailer 6
-
£10,781 GBP
View
A
Retailer 7
-
£11,173 GBP
View
A
Retailer 8
-
£11,791 GBP
View
A
Retailer 9
-
£12,090 GBP
View
A
Retailer 10
-
£12,279 GBP
View
B+
Retailer 11
-
£12,589 GBP
View
B+
Retailer 12
-
£12,750 GBP
View
A
Retailer 13
-
£12,883 GBP
View
B+
Retailer 14
-
£14,546 GBP
View
Most Expensive
B+
MOH London
DB053B8CF · Nov 4
£15,993 GBP
View
14 more retailers have this diamond
Prices start from £10,157 GBPSave up to £5,836 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
£10,157 GBP