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Oval|Natural|IGI

0.31ct J SI1 Oval Natural Diamond

VG • J/SI1 • IGI 810632128

Shape and cutting style on the report: Oval brilliant

Certificate IGI 810632128

Diamond specifications and retailer prices

From $224 AUD
$157 USD
As of October 29, 2026
Save $786 AUD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,009 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.31ct natural oval diamond

This 0.31ct natural oval sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 810632128. Listed at 11 retailers as of October 29, 2026, with prices from $224 to $1,009, a $786 spread on the same certified stone. NZ Jewellers lists it at $1,009. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle40.4°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 810632128
Dimensions5.39 × 3.64 × 2.41 mm
L/W Ratio1.48
Girdle conditionFaceted
Top View
5.39 mm3.64 mm0.31 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 810632128
Side View
Table 57.0%Crown 40.4°Girdle: THN-THKPavilion 39.8°Culet: NoneDepth 66.2%

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 29
Current: $1,009 AUD|Low: $224 AUD|High: $1,034 AUD|Avg: $423 AUD|-2.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 11$224 AUD
Retailer 9$241 AUD
Retailer 10$249 AUD
Retailer 6$300 AUD
Retailer 4$328 AUD
Retailer 7$346 AUD
Retailer 8$408 AUD
Retailer 2$451 AUD
Retailer 5$490 AUD
Retailer 3$517 AUD
NZ Jewellers$1,009 AUD

29 data points across 11 retailers

11 retailers$224 AUD to $1,009 AUD

A
Cheapest Retailer
-
$224 AUD
$157 USD
A
Retailer 2
-
$241 AUD
$169 USD
View
B+
Retailer 3
-
$249 AUD
$175 USD
View
B+
Retailer 4
-
$300 AUD
$211 USD
View
B+
Retailer 5
-
$328 AUD
£181 GBP
View
B+
Retailer 6
-
$346 AUD
ZAR 3,921 ZAR
View
B+
Retailer 7
-
$408 AUD
$286 USD
View
B+
Retailer 8
-
$451 AUD
£250 GBP
View
B
Retailer 9
-
$490 AUD
€328 EUR
View
B
Retailer 10
-
$517 AUD
£286 GBP
View
Most Expensive
C
NZ Jewellers
daf122e2-19aa-43cc-8de9-1d561d7341f8 · Oct 30
$1,009 AUD
$709 USD
View
10 more retailers have this diamond
Prices start from $224 AUDSave up to $786 AUD

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 Oval
$224 AUD