Oval|Natural|IGI

0.51ct H SI1 Oval Natural Diamond

VG • H/SI1 • IGI 815682447

Shape and cutting style on the report: Oval brilliant

Certificate IGI 815682447

Diamond specifications and retailer prices

From €354 EUR
As of November 6, 2026
Save €1,118 EUR (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,472 EUR at NZ Jewellers · As of November 5, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815682447. Listed at 13 retailers as of November 5, 2026, with prices from €354 to €1,472, a €1,118 spread on the same certified stone. NZ Jewellers lists it at €1,472. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle41.5°
Pavilion angle29.3°
OriginNatural
Grading LabIGI
CertificateIGI 815682447
Dimensions7.09 × 4.27 × 2.43 mm
L/W Ratio1.66
Girdle conditionFaceted
Top View
7.09 mm4.27 mm0.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 815682447
Side View
Table 59.0%Crown 41.5°Girdle: STK-THKPavilion 29.3°Culet: NoneDepth 56.9%

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: Nov 6
Current: €1,472 EUR|Low: €354 EUR|High: €1,472 EUR|Avg: €554 EUR
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 6, 2026
Retailer 3€354 EUR
Retailer 10€354 EUR
Retailer 9€384 EUR
Retailer 11€414 EUR
Retailer 8€443 EUR
Retailer 2€468 EUR
Retailer 4€481 EUR
Retailer 6€489 EUR
Retailer 5€524 EUR
Retailer 7€573 EUR
Retailer 12€636 EUR
Retailer 13€887 EUR
NZ Jewellers€1,472 EUR

19 data points across 13 retailers

13 retailers€354 EUR to €1,472 EUR

Retailer 1
-
€354 EUR
Price last confirmed 9 days ago
A
Retailer 2
-
€354 EUR
View
Final sale: no returns
A
Retailer 3
-
€384 EUR
View
B+
Retailer 4
-
€414 EUR
View
B+
Retailer 5
-
€443 EUR
View
B+
Retailer 6
-
€468 EUR
View
B+
Retailer 7
-
€481 EUR
View
B+
Retailer 8
-
€489 EUR
View
B+
Retailer 9
-
€524 EUR
View
B+
Retailer 10
-
€573 EUR
View
B+
Retailer 11
-
€636 EUR
View
B
Retailer 12
-
€887 EUR
View
Most Expensive
C
NZ Jewellers
8a48c500-bc0c-4c1d-83d9-4875933a4a41 · Nov 5
€1,472 EUR
$1,643 USD
View
12 more retailers have this diamond
Prices start from €354 EURSave up to €1,118 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
0.51ct Oval
€354 EUR