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Oval|Natural|IGI

0.51ct J SI2 Oval Natural Diamond

VG • J/SI2 • IGI 800673931

Shape and cutting style on the report: Oval brilliant

Certificate IGI 800673931

Diamond specifications and retailer prices

From €327 EUR
$367 USD
As of November 2, 2026
Save €1,034 EUR (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,361 EUR at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 800673931. Listed at 11 retailers as of November 2, 2026, with prices from €327 to €1,361, a €1,034 spread on the same certified stone. NZ Jewellers lists it at €1,361. 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

0.51
Carat
J
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle34.1°
Pavilion angle39.2°
OriginNatural
Grading LabIGI
CertificateIGI 800673931
Dimensions6.48 × 4.49 × 2.70 mm
L/W Ratio1.44
Girdle conditionFaceted
Top View
6.48 mm4.49 mm0.51 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 800673931
Side View
Table 61.0%Crown 34.1°Girdle: MED-THKPavilion 39.2°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €1,361 EUR|Low: €272 EUR|High: €1,361 EUR|Avg: €530 EUR|+10.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8€327 EUR
Retailer 4€349 EUR
Retailer 9€355 EUR
Retailer 7€382 EUR
Retailer 10€382 EUR
Retailer 12€410 EUR
Retailer 2€424 EUR
Retailer 3€472 EUR
Retailer 11€498 EUR
Retailer 6€644 EUR
Retailer 5€820 EUR
NZ Jewellers€1,361 EUR

42 data points across 12 retailers

11 retailers€327 EUR to €1,361 EUR

B+
Cheapest Retailer
-
€327 EUR
$367 USD
Final sale: no returns
B+
Retailer 2
-
€355 EUR
$398 USD
View
B+
Retailer 3
-
€382 EUR
$429 USD
View
B+
Retailer 4
-
€382 EUR
$429 USD
View
B+
Retailer 5
-
€410 EUR
$460 USD
View
B+
Retailer 6
-
€424 EUR
£375 GBP
View
B+
Retailer 7
-
€472 EUR
$529 USD
View
B
Retailer 8
-
€498 EUR
$559 USD
View
B
Retailer 9
-
€644 EUR
View
B
Retailer 10
-
€820 EUR
£724 GBP
View
Most Expensive
C
NZ Jewellers
59f33a37-6632-4c0e-bf8a-df1f3f5e7ae7 · Nov 2
€1,361 EUR
$1,527 USD
View
10 more retailers have this diamond
Prices start from €327 EURSave up to €1,034 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.

B+
0.51ct Oval
€327 EUR