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3.70ct I SI1 Round Natural Diamond

EX • I/SI1 • HRD 220000162251

Certificate HRD 220000162251

Diamond specifications and retailer prices

From $52,303 NZD
£23,172 GBP
As of November 2, 2026
Save $27,996 NZD (35%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $80,299 NZD at MOH London · As of November 1, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by HRD 220000162251. Listed at 2 retailers as of November 1, 2026, with prices from $52,303 to $80,299, a $27,996 spread on the same certified stone. MOH London lists it at $80,299. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 220000162251
Dimensions9.85 × 9.92 × 6.03 mm
L/W Ratio1.01
Top View
9.85 mm9.92 mm3.70 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 220000162251
Side View
Table 60.0%CrownGirdlePavilionCuletDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $80,299 NZD|Low: $51,869 NZD|High: $81,267 NZD|Avg: $66,884 NZD|-0.1%
MOH London
Retailer 2
November 2, 2026
Retailer 2$52,303 NZD
MOH London$80,299 NZD

37 data points across 2 retailers

2 retailers$52,303 NZD to $80,299 NZD

A
Cheapest Retailer
-
$52,303 NZD
£23,172 GBP
Most Expensive
B
MOH London
16C2AF15C · Nov 1
$80,299 NZD
£35,575 GBP
View
1 more retailer has this diamond
Prices start from $52,303 NZDSave up to $27,996 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
$52,303 NZD