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Oval|Natural|IGI

0.51ct E I1 Oval Natural Diamond

VG • E/I1 • IGI 743535099

Shape and cutting style on the report: Oval brilliant

Certificate IGI 743535099

Diamond specifications and retailer prices

From $656 AUD
$461 USD
As of October 29, 2026
Save $1,858 AUD (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,514 AUD at NZ Jewellers · As of October 30, 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 E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 743535099. Listed at 10 retailers as of October 29, 2026, with prices from $656 to $2,514, a $1,858 spread on the same certified stone. NZ Jewellers lists it at $2,514. 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
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.9°
Pavilion angle42.1°
OriginNatural
Grading LabIGI
CertificateIGI 743535099
Dimensions5.91 × 4.55 × 2.85 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Top View
5.91 mm4.55 mm0.51 ctE / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 743535099
Side View
Table 71.0%Crown 37.9°Girdle: THK-VTKPavilion 42.1°Culet: NoneDepth 62.6%

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: Oct 29
Current: $2,514 AUD|Low: $656 AUD|High: $2,514 AUD|Avg: $1,031 AUD|+2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6$656 AUD
Retailer 8$706 AUD
Retailer 3$706 AUD
Retailer 4$706 AUD
Retailer 7$757 AUD
Retailer 9$874 AUD
Retailer 5$920 AUD
Retailer 2$991 AUD
NZ Jewellers$2,514 AUD

20 data points across 9 retailers

10 retailers$656 AUD to $2,514 AUD

Retailer 1
-
$641 AUD
$450 USD
Price last confirmed 46 days ago
B+
Retailer 2
-
$656 AUD
$461 USD
View
B+
Retailer 3
-
$706 AUD
$496 USD
View
Retailer 4
-
$706 AUD
$496 USD
View
Price last confirmed 14 days ago
Retailer 5
-
$739 AUD
$519 USD
View
Price last confirmed 46 days ago
B+
Retailer 6
-
$757 AUD
$532 USD
View
B+
Retailer 7
-
$920 AUD
$647 USD
View
B+
Retailer 8
-
$991 AUD
€663 EUR
View
Retailer 9
-
$2,455 AUD
$1,725 USD
View
Price last confirmed 45 days ago
Most Expensive
C
NZ Jewellers
a1f22445-b805-48af-9697-d5deb4ce07f4 · Oct 30
$2,514 AUD
$1,766 USD
View
9 more retailers have this diamond
Prices start from $656 AUDSave up to $1,858 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.

B+
0.51ct Oval
$656 AUD