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Round|Natural|GIA

3.11ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1226638556

Certificate GIA 1226638556

Diamond specifications and retailer prices

From HK$230,950 HKD
$29,435 USD
As of November 2, 2026
Save HK$27,975 HKD (11%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$348,111 HKD at MOH London · As of October 19, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1226638556. Listed at 9 retailers as of November 1, 2026, with a relatively tight 12% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1226638556
Dimensions9.33 × 9.30 × 5.78 mm
L/W Ratio1.00
Key to symbols
Crystal, Cloud, Needle
Top View
9.33 mm9.30 mm3.11 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1226638556
Side View
Table 58.0%Crown 35.5°Girdle: STK-UNDPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$348,111 HKD|Low: HK$203,936 HKD|High: HK$350,433 HKD|Avg: HK$249,175 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4HK$212,590 HKD
Retailer 7HK$223,306 HKD
Retailer 6HK$224,336 HKD
Retailer 3HK$229,600 HKD
Retailer 10HK$230,950 HKD
Retailer 9HK$243,386 HKD
Retailer 8HK$245,720 HKD
Retailer 2HK$258,925 HKD
Retailer 5HK$283,371 HKD
MOH LondonHK$348,111 HKD

37 data points across 10 retailers

9 retailersHK$230,950 HKD to HK$258,925 HKD

Retailer 1
-
HK$212,590 HKD
$27,095 USD
Price last confirmed 15 days ago
Retailer 2
-
HK$223,306 HKD
A$43,786 AUD
View
Price last confirmed 29 days ago
Retailer 3
-
HK$229,600 HKD
£23,042 GBP
View
Price last confirmed 13 days ago
B
Retailer 4
-
HK$230,950 HKD
$29,435 USD
View
Retailer 5
-
HK$243,386 HKD
$31,020 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
HK$243,816 HKD
€29,595 EUR
View
B
Retailer 7
-
HK$258,925 HKD
€31,429 EUR
View
Retailer 8
-
HK$283,371 HKD
ZAR 583,460 ZAR
View
Price last confirmed 16 days ago
Most Expensive
MOH London
80627ED0F · Oct 19
HK$348,111 HKD
£34,935 GBP
View
Price last confirmed 14 days ago
8 more retailers have this diamond
Prices start from HK$230,950 HKDSave up to HK$27,975 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.

B+
3.11ct Round
HK$230,950 HKD