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Oval|Natural|IGI

1.51ct E I1 Oval Natural Diamond

VG • E/I1 • IGI 729536812

Shape and cutting style on the report: Oval brilliant

Certificate IGI 729536812

Diamond specifications and retailer prices

From $4,859 AUD
$3,414 USD
As of October 30, 2026
Save $4,679 AUD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,538 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 729536812. Listed at 8 retailers as of October 30, 2026, with prices from $4,859 to $9,538, a $4,679 spread on the same certified stone. NZ Jewellers lists it at $9,538. 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

1.51
Carat
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle39°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 729536812
Dimensions9.47 × 6.01 × 3.96 mm
L/W Ratio1.58
Girdle conditionFaceted
Culet sizePointed
Top View
9.47 mm6.01 mm1.51 ctE / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 729536812
Side View
Table 60.0%Crown 39°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 65.9%

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 30
Current: $9,538 AUD|Low: $3,790 AUD|High: $9,538 AUD|Avg: $5,857 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9$3,790 AUD
Retailer 8$4,859 AUD
Retailer 4$5,245 AUD
Retailer 5$5,474 AUD
Retailer 6$5,474 AUD
Retailer 3$5,685 AUD
Retailer 7$6,317 AUD
Retailer 2$6,401 AUD
NZ Jewellers$9,538 AUD

17 data points across 9 retailers

8 retailers$4,859 AUD to $9,538 AUD

A
Cheapest Retailer
-
$4,859 AUD
$3,414 USD
B+
Retailer 2
-
$5,245 AUD
$3,685 USD
View
B+
Retailer 3
-
$5,474 AUD
$3,846 USD
View
B+
Retailer 4
-
$5,474 AUD
$3,846 USD
View
B+
Retailer 5
-
$5,685 AUD
$3,994 USD
View
B+
Retailer 6
-
$6,317 AUD
$4,438 USD
View
B+
Retailer 7
-
$6,401 AUD
€4,283 EUR
View
Most Expensive
B
NZ Jewellers
58b1825b-fd04-4d31-97d5-ddf1dca71ad4 · Oct 30
$9,538 AUD
$6,701 USD
View
7 more retailers have this diamond
Prices start from $4,859 AUDSave up to $4,679 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.

A
1.51ct Oval
$4,859 AUD