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3.12ct K SI2 Round Natural Diamond

EX • K/SI2 • HRD 260000090967

Certificate HRD 260000090967

Diamond specifications and retailer prices

From £10,773 GBP
As of November 5, 2026
Save £4,124 GBP (28%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £14,898 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.12ct natural round diamond

This 3.12ct 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 HRD 260000090967. Listed at 7 retailers as of November 4, 2026, with prices from £10,773 to £14,898, a £4,124 spread on the same certified stone. MOH London lists it at £14,898. 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

3.12
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.4°
Pavilion angle41.3°
OriginNatural
Grading LabHRD
CertificateHRD 260000090967
Dimensions9.26 × 9.16 × 5.83 mm
L/W Ratio1.01
Star length50%
Top View
9.26 mm9.16 mm3.12 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateHRD 260000090967
Side View
Table 60.0%Crown 36.4°GirdlePavilion 41.3°Culet: NoneDepth 63.2%

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: £14,898 GBP|Low: £10,372 GBP|High: £15,117 GBP|Avg: £11,884 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8£10,372 GBP
Retailer 7£10,557 GBP
Retailer 2£10,773 GBP
Retailer 5£11,261 GBP
Retailer 4£11,437 GBP
Retailer 6£11,877 GBP
Retailer 3£13,549 GBP
MOH London£14,898 GBP

20 data points across 8 retailers

7 retailers£10,773 GBP to £14,898 GBP

Retailer 1
-
£10,557 GBP
Price last confirmed 8 days ago
A
Retailer 2
-
£10,773 GBP
View
A
Retailer 3
-
£11,261 GBP
View
B+
Retailer 4
-
£11,437 GBP
View
B+
Retailer 5
-
£11,877 GBP
View
B+
Retailer 6
-
£13,549 GBP
View
Most Expensive
B+
MOH London
8C54D093E · Nov 4
£14,898 GBP
View
6 more retailers have this diamond
Prices start from £10,773 GBPSave up to £4,124 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
3.12ct Round
£10,773 GBP