Round|Natural|IGI

3.81ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 610308387

Shape and cutting style on the report: Round brilliant

Certificate IGI 610308387

Diamond specifications and retailer prices

From €22,016 EUR
₹2,342,506 INR
As of November 1, 2026
Save €7,876 EUR (26%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €37,484 EUR at MOH London · As of October 1, 2026
View at MOH London

About this 3.81ct natural round diamond

This 3.81ct 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 IGI 610308387. Listed at 9 retailers as of October 31, 2026, with a 36% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.81
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 610308387
Dimensions9.91 × 9.80 × 6.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.91 mm9.80 mm3.81 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 610308387
Side View
Table 56.0%Crown 36.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.7%

Caratlytics Score

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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: €37,484 EUR|Low: €21,971 EUR|High: €51,155 EUR|Avg: €27,752 EUR|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2€22,016 EUR
Retailer 10€22,977 EUR
Retailer 9€23,483 EUR
Retailer 5€24,929 EUR
Retailer 8€26,177 EUR
Retailer 6€28,358 EUR
Retailer 7€29,449 EUR
Retailer 3€29,892 EUR
Retailer 4€30,172 EUR
MOH London€37,484 EUR

39 data points across 10 retailers

9 retailers€22,016 EUR to €29,892 EUR

A
Cheapest Retailer
-
€22,016 EUR
₹2,342,506 INR
Retailer 2
-
€22,977 EUR
$25,670 USD
View
Price last confirmed 35 days ago
Retailer 3
-
€24,704 EUR
$27,599 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€27,486 EUR
$30,708 USD
View
Price last confirmed 32 days ago
Retailer 5
-
€28,358 EUR
$31,682 USD
View
Price last confirmed 31 days ago
Retailer 6
-
€29,449 EUR
$32,901 USD
View
Price last confirmed 32 days ago
A
Retailer 7
-
€29,892 EUR
View
Retailer 8
-
€30,172 EUR
ZAR 544,560 ZAR
View
Price last confirmed 31 days ago
Most Expensive
MOH London
27E1CBE0E · Oct 1
€37,484 EUR
£32,974 GBP
View
Price last confirmed 31 days ago
8 more retailers have this diamond
Prices start from €22,016 EURSave up to €7,876 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
3.81ct Round
€22,016 EUR