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Marquise|Natural|GIA

0.54ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1549581511

Certificate GIA 1549581511

Diamond specifications and retailer prices

From $1,435 AUD
As of November 4, 2026
Save $1,338 AUD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,773 AUD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 0.54ct natural marquise diamond

This 0.54ct natural marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549581511. Listed at 14 retailers as of November 4, 2026, with prices from $1,435 to $2,773, a $1,338 spread on the same certified stone. Diamond Exchange Canada lists it at $2,773. 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

0.54
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1549581511
Dimensions8.18 × 4.21 × 2.64 mm
L/W Ratio1.94
Girdle conditionFaceted
Top View
8.18 mm4.21 mm0.54 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549581511
Side View
Table 59.0%CrownGirdle: MED-THKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $2,773 AUD|Low: $667 AUD|High: $2,773 AUD|Avg: $1,532 AUD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 12$667 AUD
Retailer 9$1,006 AUD
Retailer 14$1,121 AUD
Retailer 6$1,122 AUD
Retailer 15$1,156 AUD
Retailer 8$1,179 AUD
Retailer 7$1,202 AUD
Retailer 10$1,346 AUD
Retailer 17$1,412 AUD
Retailer 22$1,435 AUD
Retailer 16$1,445 AUD
Retailer 20$1,506 AUD
Retailer 19$1,511 AUD
Retailer 18$1,744 AUD
Retailer 11$1,754 AUD
Retailer 3$1,863 AUD
Retailer 5$1,863 AUD
Retailer 21$1,925 AUD
Retailer 4$1,936 AUD
Retailer 2$2,201 AUD
Retailer 13$2,201 AUD
Diamond Exchange Canada$2,773 AUD

20 data points across 22 retailers

14 retailers$1,435 AUD to $2,773 AUD

Retailer 1
-
$1,412 AUD
Price last confirmed 20 days ago
B+
Retailer 2
-
$1,435 AUD
View
B+
Retailer 3
-
$1,445 AUD
View
B+
Retailer 4
-
$1,506 AUD
View
B+
Retailer 5
-
$1,511 AUD
View
B+
Retailer 6
-
$1,518 AUD
View
B+
Retailer 7
-
$1,744 AUD
View
B+
Retailer 8
-
$1,863 AUD
View
B+
Retailer 9
-
$1,863 AUD
View
B
Retailer 10
-
$1,925 AUD
View
B
Retailer 11
-
$1,936 AUD
View
B
Retailer 12
-
$2,201 AUD
View
B
Retailer 13
-
$2,201 AUD
View
Most Expensive
B
Diamond Exchange Canada
1983032469 · Nov 5
$2,773 AUD
CA$2,646 CAD
View
13 more retailers have this diamond
Prices start from $1,435 AUDSave up to $1,338 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+
0.54ct Marquise
$1,435 AUD