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Oval|Natural|IGI

1.51ct J I1 Oval Natural Diamond

EX • J/I1 • IGI 729536724

Shape and cutting style on the report: Oval brilliant

Certificate IGI 729536724

Diamond specifications and retailer prices

From $2,376 USD
As of November 1, 2026
Save $3,171 USD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,547 USD 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 J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 729536724. Listed at 8 retailers as of October 30, 2026, with prices from $2,376 to $5,547, a $3,171 spread on the same certified stone. NZ Jewellers lists it at $5,547. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
J
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.3°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 729536724
Dimensions9.28 × 6.22 × 4.02 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Top View
9.28 mm6.22 mm1.51 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 729536724
Side View
Table 61.0%Crown 38.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,547 USD|Low: $1,865 USD|High: $5,547 USD|Avg: $2,971 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 9$1,865 USD
Retailer 8$2,376 USD
Retailer 6$2,653 USD
Retailer 7$2,653 USD
Retailer 3$2,756 USD
Retailer 4$2,794 USD
Retailer 5$3,062 USD
Retailer 2$3,099 USD
NZ Jewellers$5,547 USD

18 data points across 9 retailers

8 retailers$2,376 USD to $5,547 USD

B+
Cheapest Retailer
-
$2,376 USD
B+
Retailer 2
-
$2,653 USD
View
B+
Retailer 3
-
$2,653 USD
View
B+
Retailer 4
-
$2,756 USD
View
B+
Retailer 5
-
$2,794 USD
View
B+
Retailer 6
-
$3,062 USD
View
B+
Retailer 7
-
$3,099 USD
€2,951 EUR
View
Most Expensive
B
NZ Jewellers
a492568f-9cd8-44f1-a05c-0eda2a2277fa · Oct 30
$5,547 USD
View
7 more retailers have this diamond
Prices start from $2,376 USDSave up to $3,171 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.

B+
1.51ct Oval
$2,376 USD