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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 $25,794 NZD
As of November 5, 2026
Save $9,874 NZD (28%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $35,668 NZD 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 $25,794 to $35,668, a $9,874 spread on the same certified stone. MOH London lists it at $35,668. 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: $35,668 NZD|Low: $24,833 NZD|High: $36,195 NZD|Avg: $28,453 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$24,833 NZD
Retailer 7$25,276 NZD
Retailer 2$25,794 NZD
Retailer 5$26,961 NZD
Retailer 4$27,383 NZD
Retailer 6$28,436 NZD
Retailer 3$32,440 NZD
MOH London$35,668 NZD

20 data points across 8 retailers

7 retailers$25,794 NZD to $35,668 NZD

Retailer 1
-
$25,276 NZD
Price last confirmed 8 days ago
A
Retailer 2
-
$25,794 NZD
View
A
Retailer 3
-
$26,961 NZD
View
B+
Retailer 4
-
$27,383 NZD
View
B+
Retailer 5
-
$28,436 NZD
View
B+
Retailer 6
-
$32,440 NZD
View
Most Expensive
B+
MOH London
8C54D093E · Nov 4
$35,668 NZD
£15,788 GBP
View
6 more retailers have this diamond
Prices start from $25,794 NZDSave up to $9,874 NZD

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
$25,794 NZD