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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 $4,436 AUD
As of November 5, 2026
Save $3,510 AUD (44%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,946 AUD 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 $4,436 to $7,946, a $3,510 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,946. 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

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: $4,577 AUD|Low: $3,950 AUD|High: $9,236 AUD|Avg: $6,025 AUD|-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$3,950 AUD
Retailer 3$4,436 AUD
Retailer 1$4,577 AUD
Retailer 4$4,606 AUD
Retailer 5$5,554 AUD
Retailer 2$5,657 AUD
Retailer 8$6,436 AUD
Wholesale Diamonds Direct$7,946 AUD
Retailer 7$8,009 AUD

33 data points across 9 retailers

7 retailers$4,436 AUD to $7,946 AUD

A
Cheapest Retailer
-
$4,436 AUD
A
Retailer 2
-
$4,577 AUD
View
A
Retailer 3
-
$4,606 AUD
View
A
Retailer 4
-
$5,554 AUD
View
A
Retailer 5
-
$5,657 AUD
View
A
Retailer 6
-
$6,436 AUD
View
Most Expensive
A
Wholesale Diamonds Direct
619140306 · Nov 6
$7,946 AUD
$5,459 USD
View
6 more retailers have this diamond
Prices start from $4,436 AUDSave up to $3,510 AUD

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
$4,436 AUD