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2.64ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 5231374536

Shape and cutting style on the report: Round brilliant

Certificate GIA 5231374536

Diamond specifications and retailer prices

From £11,624 GBP
As of November 1, 2026
Save £6,677 GBP (36%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £18,301 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 2.64ct natural round diamond

This 2.64ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5231374536. Listed at 4 retailers as of November 1, 2026, with prices from £11,624 to £18,301, a £6,677 spread on the same certified stone. MOH London lists it at £18,301. 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

2.64
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231374536
Dimensions8.81 × 8.75 × 5.48 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
8.81 mm8.75 mm2.64 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231374536
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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 1
Current: £18,301 GBP|Low: £8,250 GBP|High: £18,521 GBP|Avg: £12,363 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6£8,250 GBP
Retailer 5£9,221 GBP
Retailer 4£11,624 GBP
Retailer 3£12,256 GBP
Retailer 2£14,159 GBP
MOH London£18,301 GBP

40 data points across 6 retailers

4 retailers£11,624 GBP to £18,301 GBP

B+
Cheapest Retailer
-
£11,624 GBP
B+
Retailer 2
-
£12,256 GBP
View
B
Retailer 3
-
£14,159 GBP
View
Most Expensive
B
MOH London
C0DD9F1CD · Nov 2
£18,301 GBP
View
3 more retailers have this diamond
Prices start from £11,624 GBPSave up to £6,677 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+
2.64ct Round
£11,624 GBP