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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 $3,414 USD
As of October 28, 2026
Save $3,287 USD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,701 USD at NZ Jewellers · As of October 27, 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 27, 2026, with prices from $3,414 to $6,701, a $3,287 spread on the same certified stone. NZ Jewellers lists it at $6,701. 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
Color
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 28
Current: $6,701 USD|Low: $2,662 USD|High: $6,701 USD|Avg: $4,115 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9$2,662 USD
Retailer 8$3,414 USD
Retailer 4$3,685 USD
Retailer 5$3,846 USD
Retailer 6$3,846 USD
Retailer 3$3,994 USD
Retailer 7$4,438 USD
Retailer 2$4,497 USD
NZ Jewellers$6,701 USD

17 data points across 9 retailers

8 retailers$3,414 USD to $6,701 USD

A
Cheapest Retailer
-
$3,414 USD
B+
Retailer 2
-
$3,685 USD
View
B+
Retailer 3
-
$3,846 USD
View
B+
Retailer 4
-
$3,846 USD
View
B+
Retailer 5
-
$3,994 USD
View
B+
Retailer 6
-
$4,438 USD
View
B+
Retailer 7
-
$4,497 USD
€4,283 EUR
View
Most Expensive
B
NZ Jewellers
58b1825b-fd04-4d31-97d5-ddf1dca71ad4 · Oct 27
$6,701 USD
View
7 more retailers have this diamond
Prices start from $3,414 USDSave up to $3,287 USD

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
$3,414 USD