Round|Natural|IGI

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 $21,046 SGD
$16,463 USD
As of October 30, 2026
Save $17,160 SGD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $38,206 SGD 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 $21,046 to $38,206, a $17,160 spread on the same certified stone. MOH London lists it at $38,206. 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
Colour
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

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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: Oct 30
Current: $38,206 SGD|Low: $20,393 SGD|High: $38,461 SGD|Avg: $26,101 SGD|+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$21,046 SGD
Retailer 7$21,228 SGD
Retailer 8$22,369 SGD
Retailer 5$22,473 SGD
Retailer 12$22,511 SGD
Retailer 9$23,318 SGD
Retailer 13$24,333 SGD
Retailer 14$25,550 SGD
Retailer 4$26,361 SGD
Retailer 3$27,374 SGD
Retailer 2$28,452 SGD
Retailer 6$29,930 SGD
Retailer 10$34,472 SGD
MOH London$38,206 SGD

29 data points across 14 retailers

13 retailers$21,046 SGD to $38,206 SGD

A
Cheapest Retailer
-
$21,046 SGD
$16,463 USD
A
Retailer 2
-
$21,228 SGD
$16,605 USD
View
A
Retailer 3
-
$22,369 SGD
$17,498 USD
View
A
Retailer 4
-
$22,473 SGD
$17,579 USD
View
A
Retailer 5
-
$22,511 SGD
$17,609 USD
View
B+
Retailer 6
-
$23,318 SGD
$18,240 USD
View
Final sale: no returns
A
Retailer 7
-
$24,333 SGD
$19,034 USD
View
B+
Retailer 8
-
$25,550 SGD
$19,986 USD
View
B+
Retailer 9
-
$26,361 SGD
$20,620 USD
View
B+
Retailer 10
-
$27,374 SGD
$21,413 USD
View
B+
Retailer 11
-
$28,452 SGD
€21,196 EUR
View
B
Retailer 12
-
$34,472 SGD
$26,965 USD
View
Most Expensive
B
MOH London
1A17AD9C3 · Oct 29
$38,206 SGD
£23,532 GBP
View
12 more retailers have this diamond
Prices start from $21,046 SGDSave up to $17,160 SGD

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
$21,046 SGD