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3.70ct K SI2 Round Natural Diamond

EX • K/SI2 • HRD 260000192985

Certificate HRD 260000192985

Diamond specifications and retailer prices

From $23,275 NZD
As of November 5, 2026
Save $16,894 NZD (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $40,169 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 3.7ct natural round diamond

This 3.7ct 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 260000192985. Listed at 12 retailers as of November 4, 2026, with prices from $23,275 to $40,169, a $16,894 spread on the same certified stone. MOH London lists it at $40,169. 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

3.70
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginNatural
Grading LabHRD
CertificateHRD 260000192985
Dimensions9.83 × 9.89 × 6.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
9.83 mm9.89 mm3.70 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000192985
Side View
Table 57.0%Crown 36.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.0%

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: $40,169 NZD|Low: $23,275 NZD|High: $40,761 NZD|Avg: $30,548 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 5$23,275 NZD
Retailer 12$26,016 NZD
Retailer 6$27,383 NZD
Retailer 4$27,557 NZD
Retailer 7$28,466 NZD
Retailer 8$30,364 NZD
Retailer 9$30,837 NZD
Retailer 2$31,047 NZD
Retailer 3$31,624 NZD
Retailer 10$32,024 NZD
Retailer 11$36,533 NZD
MOH London$40,169 NZD

38 data points across 12 retailers

12 retailers$23,275 NZD to $40,169 NZD

A
Cheapest Retailer
-
$23,275 NZD
A
Retailer 2
-
$26,016 NZD
View
A
Retailer 3
-
$27,383 NZD
View
A
Retailer 4
-
$27,557 NZD
View
Retailer 5
-
$28,466 NZD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$30,364 NZD
View
B+
Retailer 7
-
$30,837 NZD
View
A
Retailer 8
-
$31,047 NZD
View
B+
Retailer 9
-
$31,624 NZD
View
B+
Retailer 10
-
$32,024 NZD
View
B+
Retailer 11
-
$36,533 NZD
View
Most Expensive
B+
MOH London
B4712723D · Nov 4
$40,169 NZD
£17,780 GBP
View
11 more retailers have this diamond
Prices start from $23,275 NZDSave up to $16,894 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
3.70ct Round
$23,275 NZD