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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 €140 EUR
$157 USD
As of October 29, 2026
Save €492 EUR (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €632 EUR 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 €140 to €632, a €492 spread on the same certified stone. NZ Jewellers lists it at €632. 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: €632 EUR|Low: €140 EUR|High: €647 EUR|Avg: €265 EUR|-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€140 EUR
Retailer 9€151 EUR
Retailer 10€156 EUR
Retailer 2€188 EUR
Retailer 5€205 EUR
Retailer 7€216 EUR
Retailer 8€255 EUR
Retailer 4€283 EUR
Retailer 6€307 EUR
Retailer 3€324 EUR
NZ Jewellers€632 EUR

28 data points across 11 retailers

11 retailers€140 EUR to €632 EUR

A
Cheapest Retailer
-
€140 EUR
$157 USD
A
Retailer 2
-
€151 EUR
$169 USD
View
B+
Retailer 3
-
€156 EUR
$175 USD
View
B+
Retailer 4
-
€188 EUR
$211 USD
View
B+
Retailer 5
-
€205 EUR
£181 GBP
View
B+
Retailer 6
-
€216 EUR
ZAR 3,921 ZAR
View
B+
Retailer 7
-
€255 EUR
$286 USD
View
B+
Retailer 8
-
€283 EUR
£250 GBP
View
B
Retailer 9
-
€307 EUR
View
B
Retailer 10
-
€324 EUR
£286 GBP
View
Most Expensive
C
NZ Jewellers
daf122e2-19aa-43cc-8de9-1d561d7341f8 · Oct 30
€632 EUR
$709 USD
View
10 more retailers have this diamond
Prices start from €140 EURSave up to €492 EUR

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
€140 EUR