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 $382 USD
As of October 29, 2026
Save $499 USD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,464 USD 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 October 29, 2026, with a 131% 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,464 USD|Low: $350 USD|High: $1,496 USD|Avg: $613 USD|-2.1%
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 1, 2026
Retailer 5$350 USD
Retailer 4$382 USD
Retailer 8$404 USD
Retailer 13$412 USD
Retailer 3$427 USD
Retailer 6$481 USD
Retailer 9$514 USD
Retailer 11$537 USD
Retailer 12$592 USD
Retailer 10$620 USD
Retailer 2$696 USD
Retailer 7$881 USD
NZ Jewellers$1,464 USD

22 data points across 13 retailers

13 retailers$382 USD to $881 USD

Retailer 1
-
$350 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$382 USD
View
B+
Retailer 3
-
$404 USD
SGD 546 SGD
View
B+
Retailer 4
-
$412 USD
View
B+
Retailer 5
-
$427 USD
View
B+
Retailer 6
-
$481 USD
£378 GBP
View
B
Retailer 7
-
$514 USD
View
B+
Retailer 8
-
$537 USD
View
B
Retailer 9
-
$592 USD
ZAR 9,567 ZAR
View
B
Retailer 10
-
$620 USD
€590 EUR
View
B
Retailer 11
-
$696 USD
£548 GBP
View
B
Retailer 12
-
$881 USD
£694 GBP
View
Most Expensive
NZ Jewellers
8da9cf63-8ee3-4be3-aad4-93071c630ffb · Oct 30
$1,464 USD
View
Price under review
12 more retailers have this diamond
Prices start from $382 USDSave up to $499 USD

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
$382 USD