CaratHunter
Plans
Round|Natural|HRD

3.09ct I SI1 Round Natural Diamond

EX • I/SI1 • HRD 220000078271

Certificate HRD 220000078271

Diamond specifications and retailer prices

From €19,690 EUR
£17,321 GBP
As of November 2, 2026
Save €10,397 EUR (35%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €30,087 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 3.09ct natural round diamond

This 3.09ct 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 220000078271. Listed at 3 retailers as of November 1, 2026, with prices from €19,690 to €30,087, a €10,397 spread on the same certified stone. MOH London lists it at €30,087. 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

3.09
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 220000078271
Dimensions9.23 × 9.29 × 5.78 mm
L/W Ratio1.01
Top View
9.23 mm9.29 mm3.09 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 220000078271
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 62.4%

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 2
Current: €30,087 EUR|Low: €19,690 EUR|High: €30,449 EUR|Avg: €23,902 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 2€19,690 EUR
Retailer 3€21,199 EUR
Retailer 4€24,057 EUR
MOH London€30,087 EUR

39 data points across 4 retailers

3 retailers€19,690 EUR to €30,087 EUR

A
Cheapest Retailer
-
€19,690 EUR
£17,321 GBP
B+
Retailer 2
-
€24,057 EUR
View
Most Expensive
B
MOH London
3049C96CB · Nov 1
€30,087 EUR
£26,467 GBP
View
2 more retailers have this diamond
Prices start from €19,690 EURSave up to €10,397 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
3.09ct Round
€19,690 EUR