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Oval|Natural|IGI

1.51ct E SI2 Oval Natural Diamond

EX • E/SI2 • IGI 819642065

Shape and cutting style on the report: Oval brilliant

Certificate IGI 819642065

Diamond specifications and retailer prices

From $5,074 NZD
As of November 5, 2026
Save $4,103 NZD (45%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $9,178 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 819642065. Listed at 5 retailers as of November 5, 2026, with prices from $5,074 to $9,178, a $4,103 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,178. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38°
Pavilion angle39.8°
OriginNatural
Grading LabIGI
CertificateIGI 819642065
Dimensions9.33 × 6.42 × 3.88 mm
L/W Ratio1.45
Girdle conditionFaceted
Top View
9.33 mm6.42 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 819642065
Side View
Table 61.0%Crown 38°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,233 NZD|Low: $4,337 NZD|High: $10,748 NZD|Avg: $6,533 NZD|-15.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$4,337 NZD
Retailer 2$5,074 NZD
Retailer 1$5,233 NZD
Retailer 3$5,285 NZD
Retailer 4$6,411 NZD
Retailer 5$7,437 NZD
Wholesale Diamonds Direct$9,178 NZD

34 data points across 7 retailers

5 retailers$5,074 NZD to $9,178 NZD

A
Cheapest Retailer
-
$5,074 NZD
A
Retailer 2
-
$5,233 NZD
View
A
Retailer 3
-
$5,285 NZD
View
A
Retailer 4
-
$6,411 NZD
View
Most Expensive
A
Wholesale Diamonds Direct
546744442 · Nov 6
$9,178 NZD
$5,088 USD
View
4 more retailers have this diamond
Prices start from $5,074 NZDSave up to $4,103 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
$5,074 NZD