Radiant|Natural|IGI

0.31ct J IF Radiant Natural Diamond

VG • J/IF • IGI 831668590

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 831668590

Diamond specifications and retailer prices

From HK$2,707 HKD
$345 USD
As of November 1, 2026
Save HK$4,208 HKD (61%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$11,486 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.31ct natural radiant diamond

This 0.31ct natural radiant sits in the sub-half-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI 831668590. Listed at 13 retailers as of November 1, 2026, with a 155% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.31
Carat
J
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle21.1°
Pavilion angle37.6°
OriginNatural
Grading LabIGI
CertificateIGI 831668590
Dimensions4.75 × 3.42 × 2.35 mm
L/W Ratio1.39
Top View
4.75 mm3.42 mm0.31 ctJ / IF
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 831668590
Side View
Table 64.0%Crown 21.1°Girdle: Slightly ThickPavilion 37.6°Culet: NoneDepth 68.7%

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: Nov 1
Current: HK$11,486 HKD|Low: HK$2,707 HKD|High: HK$11,698 HKD|Avg: HK$4,742 HKD|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 8HK$2,707 HKD
Retailer 5HK$2,997 HKD
Retailer 10HK$3,170 HKD
Retailer 3HK$3,232 HKD
Retailer 4HK$3,350 HKD
Retailer 7HK$3,802 HKD
Retailer 11HK$4,033 HKD
Retailer 12HK$4,213 HKD
Retailer 13HK$4,646 HKD
Retailer 6HK$4,869 HKD
Retailer 2HK$5,462 HKD
Retailer 9HK$6,915 HKD
NZ JewellersHK$11,486 HKD

22 data points across 13 retailers

13 retailersHK$2,707 HKD to HK$6,915 HKD

A
Cheapest Retailer
-
HK$2,707 HKD
$345 USD
B+
Retailer 2
-
HK$2,997 HKD
$382 USD
View
B+
Retailer 3
-
HK$3,170 HKD
SGD 546 SGD
View
B+
Retailer 4
-
HK$3,232 HKD
$412 USD
View
B+
Retailer 5
-
HK$3,350 HKD
$427 USD
View
B
Retailer 6
-
HK$3,802 HKD
£382 GBP
View
B
Retailer 7
-
HK$4,033 HKD
$514 USD
View
B+
Retailer 8
-
HK$4,213 HKD
$537 USD
View
B
Retailer 9
-
HK$4,646 HKD
ZAR 9,567 ZAR
View
B
Retailer 10
-
HK$4,869 HKD
€591 EUR
View
B
Retailer 11
-
HK$5,462 HKD
£548 GBP
View
B
Retailer 12
-
HK$6,915 HKD
£694 GBP
View
Most Expensive
NZ Jewellers
8da9cf63-8ee3-4be3-aad4-93071c630ffb · Oct 30
HK$11,486 HKD
$1,464 USD
View
Price under review
12 more retailers have this diamond
Prices start from HK$2,707 HKDSave up to HK$4,208 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
0.31ct Radiant
HK$2,707 HKD