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Marquise|Natural|GIA

1.51ct D IF Marquise Natural Diamond

ID • D/IF • GIA 2538746579

Certificate GIA 2538746579

Diamond specifications and retailer prices

From $30,593 AUD
As of November 5, 2026
Save $6,082 AUD (17%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $36,675 AUD at Diamonds Direct · As of November 6, 2026
View at 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2538746579. Listed at 2 retailers as of November 5, 2026, with prices from $30,593 to $36,675, a $6,082 spread on the same certified stone. Diamonds Direct lists it at $36,675. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.18°
Pavilion angle40.19°
OriginNatural
Grading LabGIA
CertificateGIA 2538746579
Dimensions12.56 × 5.88 × 3.61 mm
L/W Ratio2.14
Top View
12.56 mm5.88 mm1.51 ctD / IF
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2538746579
Side View
Table 59.0%Crown 35.18°Girdle: ThickPavilion 40.19°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $36,675 AUD|Low: $30,593 AUD|High: $38,088 AUD|Avg: $32,626 AUD|-3.7%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$30,593 AUD
Retailer 4$31,134 AUD
Retailer 3$31,239 AUD
Retailer 6$31,653 AUD
Retailer 5$32,454 AUD
Retailer 7$34,053 AUD
Diamonds Direct$36,675 AUD

37 data points across 7 retailers

2 retailers$30,593 AUD to $36,675 AUD

B+
Cheapest Retailer
-
$30,593 AUD
Most Expensive
B+
Diamonds Direct
744789 · Nov 6
$36,675 AUD
$25,199 USD
View
1 more retailer has this diamond
Prices start from $30,593 AUDSave up to $6,082 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.

B+
1.51ct Marquise
$30,593 AUD