CaratHunter
Plans
Round|Natural|IGI

3.21ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 826667269

Shape and cutting style on the report: Round brilliant

Certificate IGI 826667269

Diamond specifications and retailer prices

From HK$103,092 HKD
$13,140 USD
As of October 31, 2026
Save HK$56,312 HKD (35%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$159,405 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 3.21ct natural round diamond

This 3.21ct 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 IGI 826667269. Listed at 17 retailers as of October 31, 2026, with prices from HK$103,092 to HK$159,405, a HK$56,312 spread on the same certified stone. MOH London lists it at HK$159,405. 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

3.21
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.9°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 826667269
Dimensions9.37 × 9.41 × 5.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.37 mm9.41 mm3.21 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 826667269
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.3%

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$159,405 HKD|Low: HK$103,092 HKD|High: HK$167,217 HKD|Avg: HK$122,888 HKD|-4.7%
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
Retailer 15
November 2, 2026
Retailer 14HK$103,092 HKD
Retailer 13HK$103,571 HKD
Retailer 12HK$107,965 HKD
Retailer 8HK$109,751 HKD
Retailer 3HK$110,546 HKD
Retailer 2HK$111,758 HKD
Retailer 4HK$112,664 HKD
Retailer 11HK$120,173 HKD
Retailer 6HK$122,048 HKD
Retailer 5HK$125,109 HKD
Retailer 7HK$126,739 HKD
Retailer 9HK$128,027 HKD
Retailer 10HK$132,307 HKD
Retailer 15HK$144,588 HKD
MOH LondonHK$159,405 HKD

35 data points across 15 retailers

17 retailersHK$103,092 HKD to HK$159,405 HKD

A
Cheapest Retailer
-
HK$103,092 HKD
$13,140 USD
A
Retailer 2
-
HK$103,571 HKD
$13,201 USD
View
A
Retailer 3
-
HK$107,965 HKD
$13,761 USD
View
Final sale: no returns
A
Retailer 4
-
HK$109,751 HKD
£11,015 GBP
View
A
Retailer 5
-
HK$110,546 HKD
$14,090 USD
View
A
Retailer 6
-
HK$111,758 HKD
£11,216 GBP
View
A
Retailer 7
-
HK$112,664 HKD
$14,360 USD
View
A
Retailer 8
-
HK$120,173 HKD
$15,317 USD
View
A
Retailer 9
-
HK$122,048 HKD
$15,556 USD
View
A
Retailer 10
-
HK$125,109 HKD
$15,946 USD
View
Retailer 11
-
HK$126,739 HKD
$16,154 USD
View
Price last confirmed 63 days ago
A
Retailer 12
-
HK$126,739 HKD
$16,154 USD
View
A
Retailer 13
-
HK$128,027 HKD
€15,541 EUR
View
A
Retailer 14
-
HK$132,307 HKD
ZAR 272,433 ZAR
View
B+
Retailer 15
-
HK$144,588 HKD
$18,429 USD
View
Retailer 16
-
HK$144,588 HKD
$18,429 USD
View
Price last confirmed 65 days ago
Most Expensive
A
MOH London
15A73A5D1 · Nov 1
HK$159,405 HKD
£15,998 GBP
View
16 more retailers have this diamond
Prices start from HK$103,092 HKDSave up to HK$56,312 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
3.21ct Round
HK$103,092 HKD