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Round|Natural|GIA

3.23ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6532658189

Certificate GIA 6532658189

Diamond specifications and retailer prices

From £15,996 GBP
As of November 6, 2026
Save £10,072 GBP (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £26,068 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.23ct natural round diamond

This 3.23ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6532658189. Listed at 13 retailers as of November 4, 2026, with prices from £15,996 to £26,068, a £10,072 spread on the same certified stone. MOH London lists it at £26,068. 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

3.23
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6532658189
Dimensions9.56 × 9.50 × 5.76 mm
L/W Ratio1.01
Star length50%
Top View
9.56 mm9.50 mm3.23 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6532658189
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.4%

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 6
Current: £26,068 GBP|Low: £14,890 GBP|High: £26,452 GBP|Avg: £18,525 GBP|+15.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11£15,965 GBP
Retailer 3£15,967 GBP
Retailer 9£15,996 GBP
Retailer 2£16,875 GBP
Retailer 6£17,402 GBP
Retailer 8£17,674 GBP
Retailer 10£18,357 GBP
Retailer 4£19,602 GBP
Retailer 7£19,713 GBP
Retailer 5£20,338 GBP
MOH London£26,068 GBP

28 data points across 11 retailers

13 retailers£15,996 GBP to £26,068 GBP

A
Cheapest Retailer
-
£15,996 GBP
A
Retailer 2
-
£16,875 GBP
View
Retailer 3
-
£17,295 GBP
View
Price last confirmed 45 days ago
B+
Retailer 4
-
£17,402 GBP
View
B+
Retailer 5
-
£17,674 GBP
View
Retailer 6
-
£17,960 GBP
View
Price last confirmed 45 days ago
Retailer 7
-
£18,357 GBP
View
Price last confirmed 42 days ago
B+
Retailer 8
-
£19,602 GBP
View
B+
Retailer 9
-
£19,713 GBP
View
B+
Retailer 10
-
£20,338 GBP
View
Retailer 11
-
£20,489 GBP
View
Price last confirmed 42 days ago
B
Retailer 12
-
£23,709 GBP
View
Most Expensive
B
MOH London
03D578FBA · Nov 4
£26,068 GBP
View
12 more retailers have this diamond
Prices start from £15,996 GBPSave up to £10,072 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
3.23ct Round
£15,996 GBP