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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 $3,906 SGD
As of November 5, 2026
Save $3,090 SGD (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,997 SGD 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 $3,906 to $6,997, a $3,090 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,997. 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: $4,031 SGD|Low: $3,478 SGD|High: $8,133 SGD|Avg: $5,306 SGD|-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$3,478 SGD
Retailer 3$3,906 SGD
Retailer 1$4,031 SGD
Retailer 4$4,056 SGD
Retailer 5$4,891 SGD
Retailer 2$4,982 SGD
Retailer 8$5,667 SGD
Wholesale Diamonds Direct$6,997 SGD
Retailer 7$7,053 SGD

33 data points across 9 retailers

7 retailers$3,906 SGD to $6,997 SGD

A
Cheapest Retailer
-
$3,906 SGD
A
Retailer 2
-
$4,031 SGD
View
A
Retailer 3
-
$4,056 SGD
View
A
Retailer 4
-
$4,891 SGD
View
A
Retailer 5
-
$4,982 SGD
View
A
Retailer 6
-
$5,667 SGD
View
Most Expensive
A
Wholesale Diamonds Direct
619140306 · Nov 6
$6,997 SGD
$5,459 USD
View
6 more retailers have this diamond
Prices start from $3,906 SGDSave up to $3,090 SGD

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
$3,906 SGD