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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 €26,122 EUR
£22,980 GBP
As of November 1, 2026
Save €14,318 EUR (35%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €40,440 EUR 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 €26,122 to €40,440, a €14,318 spread on the same certified stone. MOH London lists it at €40,440. 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
Color
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 1
Current: €40,440 EUR|Low: €26,122 EUR|High: €40,928 EUR|Avg: €33,693 EUR|-0.1%
MOH London
Retailer 2
November 1, 2026
Retailer 2€26,122 EUR
MOH London€40,440 EUR

36 data points across 2 retailers

2 retailers€26,122 EUR to €40,440 EUR

A
Cheapest Retailer
-
€26,122 EUR
£22,980 GBP
Most Expensive
B
MOH London
16C2AF15C · Nov 1
€40,440 EUR
£35,575 GBP
View
1 more retailer has this diamond
Prices start from €26,122 EURSave up to €14,318 EUR

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
€26,122 EUR