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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 HK$129,164 HKD
$16,463 USD
As of October 31, 2026
Save HK$104,065 HKD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$233,228 HKD at MOH London · As of November 1, 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 31, 2026, with prices from HK$129,164 to HK$233,228, a HK$104,065 spread on the same certified stone. MOH London lists it at HK$233,228. 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

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 31
Current: HK$233,228 HKD|Low: HK$125,155 HKD|High: HK$236,038 HKD|Avg: HK$160,215 HKD|+2.1%
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
November 1, 2026
Retailer 11HK$129,164 HKD
Retailer 7HK$130,278 HKD
Retailer 8HK$137,284 HKD
Retailer 5HK$137,920 HKD
Retailer 12HK$138,155 HKD
Retailer 9HK$143,106 HKD
Retailer 13HK$149,335 HKD
Retailer 14HK$156,804 HKD
Retailer 4HK$161,778 HKD
Retailer 3HK$168,000 HKD
Retailer 2HK$173,838 HKD
Retailer 6HK$183,683 HKD
Retailer 10HK$211,559 HKD
MOH LondonHK$233,228 HKD

30 data points across 14 retailers

13 retailersHK$129,164 HKD to HK$233,228 HKD

A
Cheapest Retailer
-
HK$129,164 HKD
$16,463 USD
A
Retailer 2
-
HK$130,278 HKD
$16,605 USD
View
A
Retailer 3
-
HK$137,284 HKD
$17,498 USD
View
A
Retailer 4
-
HK$137,920 HKD
$17,579 USD
View
A
Retailer 5
-
HK$138,155 HKD
$17,609 USD
View
A
Retailer 6
-
HK$143,106 HKD
$18,240 USD
View
Final sale: no returns
A
Retailer 7
-
HK$149,335 HKD
$19,034 USD
View
B+
Retailer 8
-
HK$156,804 HKD
$19,986 USD
View
B+
Retailer 9
-
HK$161,778 HKD
$20,620 USD
View
B+
Retailer 10
-
HK$168,000 HKD
$21,413 USD
View
B+
Retailer 11
-
HK$173,838 HKD
€21,102 EUR
View
B
Retailer 12
-
HK$211,559 HKD
$26,965 USD
View
Most Expensive
B
MOH London
1A17AD9C3 · Nov 1
HK$233,228 HKD
£23,407 GBP
View
12 more retailers have this diamond
Prices start from HK$129,164 HKDSave up to HK$104,065 HKD

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
HK$129,164 HKD