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Marquise|Natural|GIA

1.51ct D IF Marquise Natural Diamond

EX • D/IF • GIA 7548300921

Certificate GIA 7548300921

Diamond specifications and retailer prices

From $28,660 AUD
$19,692 USD
As of November 5, 2026
1 retailer carries this diamond
Only listing: $28,660 AUD at Blue Nile
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Blue Nile

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 7548300921. Listed at a single retailer as of November 5, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.07°
Pavilion angle40.06°
OriginNatural
Grading LabGIA
CertificateGIA 7548300921
Dimensions11.46 × 5.97 × 3.75 mm
L/W Ratio1.92
Girdle conditionVery Thick
Top View
11.46 mm5.97 mm1.51 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7548300921
Side View
Table 59.0%Crown 36.07°Girdle: Slightly ThickPavilion 40.06°Culet: NoneDepth 62.8%

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: $28,660 AUD|Low: $28,660 AUD|High: $37,976 AUD|Avg: $31,585 AUD|-2.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 24, 2026
Blue Nile$28,660 AUD
Retailer 3$29,304 AUD
Retailer 2$29,894 AUD
Retailer 5$30,913 AUD
Retailer 7$31,000 AUD
Retailer 4$33,094 AUD
Retailer 6$37,976 AUD

3 data points across 7 retailers

1 retailer

B+
Blue Nile
28113981 · Nov 5
$28,660 AUD
$19,692 USD
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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
$28,660 AUD