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Marquise|Natural|IGI

1.51ct G SI2 Marquise Natural Diamond

EX • G/SI2 • IGI 824604627

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 824604627

Diamond specifications and retailer prices

From $5,744 AUD
As of November 5, 2026
Save $4,327 AUD (43%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $10,072 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 824604627. Listed at 5 retailers as of November 5, 2026, with prices from $5,744 to $10,072, a $4,327 spread on the same certified stone. Wholesale Diamonds Direct lists it at $10,072. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39.5°
OriginNatural
Grading LabIGI
CertificateIGI 824604627
Dimensions11.36 × 6.01 × 3.71 mm
L/W Ratio1.89
Girdle conditionFaceted
Top View
11.36 mm6.01 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 824604627
Side View
Table 57.0%Crown 36.6°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $7,065 AUD|Low: $5,711 AUD|High: $11,358 AUD|Avg: $7,733 AUD|-10.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Wholesale Diamonds Direct
November 6, 2026
Retailer 2$5,744 AUD
Retailer 4$5,982 AUD
Retailer 3$6,995 AUD
Retailer 1$7,065 AUD
Wholesale Diamonds Direct$10,072 AUD

34 data points across 5 retailers

5 retailers$5,744 AUD to $10,072 AUD

A
Cheapest Retailer
-
$5,744 AUD
A
Retailer 2
-
$5,982 AUD
View
A
Retailer 3
-
$6,995 AUD
View
A
Retailer 4
-
$7,065 AUD
View
Most Expensive
A
Wholesale Diamonds Direct
378329426 · Nov 6
$10,072 AUD
$6,920 USD
View
4 more retailers have this diamond
Prices start from $5,744 AUDSave up to $4,327 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 Marquise
$5,744 AUD