CaratHunter
Plans
Round|Natural|IGI

3.21ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 462143258

Shape and cutting style on the report: Round brilliant

Certificate IGI 462143258

Diamond specifications and retailer prices

From HK$134,617 HKD
$17,158 USD
As of October 31, 2026
Save HK$107,729 HKD (44%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$242,345 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 462143258. Listed at 3 retailers as of October 31, 2026, with prices from HK$134,617 to HK$242,345, a HK$107,729 spread on the same certified stone. MOH London lists it at HK$242,345. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 462143258
Dimensions9.62 × 9.64 × 5.71 mm
L/W Ratio1.00
Culet sizePointed
Top View
9.62 mm9.64 mm3.21 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 462143258
Side View
Table 60.5%Crown 33.7°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 59.3%

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$242,345 HKD|Low: HK$133,298 HKD|High: HK$245,265 HKD|Avg: HK$185,144 HKD|-0.1%
MOH London
Retailer 2
Retailer 3
November 1, 2026
Retailer 3HK$134,617 HKD
Retailer 2HK$180,700 HKD
MOH LondonHK$242,345 HKD

25 data points across 3 retailers

3 retailersHK$134,617 HKD to HK$242,345 HKD

A
Cheapest Retailer
-
HK$134,617 HKD
$17,158 USD
B+
Retailer 2
-
HK$180,700 HKD
€21,935 EUR
View
Most Expensive
B
MOH London
DB05FCFF1 · Nov 1
HK$242,345 HKD
£24,322 GBP
View
2 more retailers have this diamond
Prices start from HK$134,617 HKDSave up to HK$107,729 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$134,617 HKD