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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 $6,057 NZD
$3,414 USD
As of October 30, 2026
Save $5,832 NZD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,890 NZD 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 $6,057 to $11,890, a $5,832 spread on the same certified stone. NZ Jewellers lists it at $11,890. 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: $11,890 NZD|Low: $4,724 NZD|High: $11,890 NZD|Avg: $7,301 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9$4,724 NZD
Retailer 8$6,057 NZD
Retailer 4$6,538 NZD
Retailer 5$6,824 NZD
Retailer 6$6,824 NZD
Retailer 3$7,087 NZD
Retailer 7$7,874 NZD
Retailer 2$7,979 NZD
NZ Jewellers$11,890 NZD

17 data points across 9 retailers

8 retailers$6,057 NZD to $11,890 NZD

A
Cheapest Retailer
-
$6,057 NZD
$3,414 USD
B+
Retailer 2
-
$6,538 NZD
$3,685 USD
View
B+
Retailer 3
-
$6,824 NZD
$3,846 USD
View
B+
Retailer 4
-
$6,824 NZD
$3,846 USD
View
B+
Retailer 5
-
$7,087 NZD
$3,994 USD
View
B+
Retailer 6
-
$7,874 NZD
$4,438 USD
View
B+
Retailer 7
-
$7,979 NZD
€4,283 EUR
View
Most Expensive
B
NZ Jewellers
58b1825b-fd04-4d31-97d5-ddf1dca71ad4 · Oct 30
$11,890 NZD
$6,701 USD
View
7 more retailers have this diamond
Prices start from $6,057 NZDSave up to $5,832 NZD

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
$6,057 NZD