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Oval|Natural|IGI

1.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • IGI 803677781

Shape and cutting style on the report: Oval brilliant

Certificate IGI 803677781

Diamond specifications and retailer prices

From $5,498 NZD
As of November 5, 2026
Save $4,350 NZD (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $9,848 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803677781. Listed at 7 retailers as of November 5, 2026, with prices from $5,498 to $9,848, a $4,350 spread on the same certified stone. Wholesale Diamonds Direct lists it at $9,848. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.8°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 803677781
Dimensions9.58 × 6.39 × 3.90 mm
L/W Ratio1.50
Girdle conditionFaceted
Top View
9.58 mm6.39 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 803677781
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $5,673 NZD|Low: $4,896 NZD|High: $11,448 NZD|Avg: $7,468 NZD|-14.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$4,896 NZD
Retailer 3$5,498 NZD
Retailer 1$5,673 NZD
Retailer 4$5,709 NZD
Retailer 5$6,884 NZD
Retailer 2$7,012 NZD
Retailer 8$7,977 NZD
Wholesale Diamonds Direct$9,848 NZD
Retailer 7$9,927 NZD

33 data points across 9 retailers

7 retailers$5,498 NZD to $9,848 NZD

A
Cheapest Retailer
-
$5,498 NZD
A
Retailer 2
-
$5,673 NZD
View
A
Retailer 3
-
$5,709 NZD
View
A
Retailer 4
-
$6,884 NZD
View
A
Retailer 5
-
$7,012 NZD
View
A
Retailer 6
-
$7,977 NZD
View
Most Expensive
A
Wholesale Diamonds Direct
619140306 · Nov 6
$9,848 NZD
$5,459 USD
View
6 more retailers have this diamond
Prices start from $5,498 NZDSave up to $4,350 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
$5,498 NZD