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3.11ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 506186997

Shape and cutting style on the report: Round brilliant

Certificate IGI 506186997

Diamond specifications and retailer prices

From $16,463 USD
As of October 30, 2026
Save $13,423 USD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $29,886 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.11ct natural round diamond

This 3.11ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 506186997. Listed at 13 retailers as of October 29, 2026, with prices from $16,463 to $29,886, a $13,423 spread on the same certified stone. MOH London lists it at $29,886. 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

3.11
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 506186997
Dimensions9.32 × 9.25 × 5.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.32 mm9.25 mm3.11 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 506186997
Side View
Table 55.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.8%

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: Oct 30
Current: $29,886 USD|Low: $15,952 USD|High: $30,085 USD|Avg: $20,417 USD|+2.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 11$16,463 USD
Retailer 7$16,605 USD
Retailer 8$17,498 USD
Retailer 5$17,579 USD
Retailer 12$17,609 USD
Retailer 9$18,240 USD
Retailer 13$19,034 USD
Retailer 14$19,986 USD
Retailer 4$20,620 USD
Retailer 3$21,413 USD
Retailer 2$22,256 USD
Retailer 6$23,412 USD
Retailer 10$26,965 USD
MOH London$29,886 USD

29 data points across 14 retailers

13 retailers$16,463 USD to $29,886 USD

A
Cheapest Retailer
-
$16,463 USD
A
Retailer 2
-
$16,605 USD
View
A
Retailer 3
-
$17,498 USD
View
A
Retailer 4
-
$17,579 USD
View
A
Retailer 5
-
$17,609 USD
View
B+
Retailer 6
-
$18,240 USD
View
Final sale: no returns
A
Retailer 7
-
$19,034 USD
View
B+
Retailer 8
-
$19,986 USD
View
B+
Retailer 9
-
$20,620 USD
View
B+
Retailer 10
-
$21,413 USD
View
B+
Retailer 11
-
$22,256 USD
€21,196 EUR
View
B
Retailer 12
-
$26,965 USD
View
Most Expensive
B
MOH London
1A17AD9C3 · Oct 29
$29,886 USD
£23,532 GBP
View
12 more retailers have this diamond
Prices start from $16,463 USDSave up to $13,423 USD

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
3.11ct Round
$16,463 USD