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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 $279 NZD
$157 USD
As of November 3, 2026
Save $981 NZD (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,260 NZD at NZ Jewellers · As of November 2, 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 November 2, 2026, with prices from $279 to $1,260, a $981 spread on the same certified stone. NZ Jewellers lists it at $1,260. 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: Nov 3
Current: $1,260 NZD|Low: $279 NZD|High: $1,290 NZD|Avg: $529 NZD|-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 3, 2026
Retailer 2$279 NZD
Retailer 3$300 NZD
Retailer 5$311 NZD
Retailer 7$375 NZD
Retailer 4$412 NZD
Retailer 10$431 NZD
Retailer 11$509 NZD
Retailer 8$563 NZD
Retailer 9$612 NZD
Retailer 6$643 NZD
NZ Jewellers$1,260 NZD

27 data points across 11 retailers

11 retailers$279 NZD to $1,260 NZD

A
Cheapest Retailer
-
$279 NZD
$157 USD
A
Retailer 2
-
$300 NZD
$169 USD
View
B+
Retailer 3
-
$311 NZD
$175 USD
View
B+
Retailer 4
-
$375 NZD
$211 USD
View
B+
Retailer 5
-
$412 NZD
£183 GBP
View
B+
Retailer 6
-
$431 NZD
ZAR 3,921 ZAR
View
B+
Retailer 7
-
$509 NZD
$286 USD
View
B+
Retailer 8
-
$563 NZD
£250 GBP
View
B
Retailer 9
-
$612 NZD
€328 EUR
View
B
Retailer 10
-
$643 NZD
£285 GBP
View
Most Expensive
C
NZ Jewellers
1fbc9779-fcb3-414a-ba79-37f78441abe0 · Nov 2
$1,260 NZD
$709 USD
View
10 more retailers have this diamond
Prices start from $279 NZDSave up to $981 NZD

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
$279 NZD