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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 $987 USD
As of October 31, 2026
Save $919 USD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,905 USD at Diamond Exchange Canada · As of October 30, 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 13 retailers as of October 30, 2026, with prices from $987 to $1,905, a $919 spread on the same certified stone. Diamond Exchange Canada lists it at $1,905. 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
Color
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: Oct 31
Current: $1,905 USD|Low: $459 USD|High: $1,905 USD|Avg: $1,049 USD
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
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Retailer 19
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Retailer 21
October 28, 2026
Retailer 11$459 USD
Retailer 8$691 USD
Retailer 12$770 USD
Retailer 5$772 USD
Retailer 14$794 USD
Retailer 7$810 USD
Retailer 6$826 USD
Retailer 9$926 USD
Retailer 13$970 USD
Retailer 20$987 USD
Retailer 15$988 USD
Retailer 18$1,035 USD
Retailer 17$1,038 USD
Retailer 16$1,198 USD
Retailer 10$1,206 USD
Retailer 4$1,280 USD
Retailer 21$1,280 USD
Retailer 19$1,323 USD
Retailer 3$1,330 USD
Retailer 2$1,518 USD
Diamond Exchange Canada$1,905 USD

18 data points across 21 retailers

13 retailers$987 USD to $1,905 USD

Retailer 1
-
$970 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
$987 USD
View
B+
Retailer 3
-
$988 USD
SGD 1,335 SGD
View
B+
Retailer 4
-
$1,035 USD
View
B+
Retailer 5
-
$1,038 USD
View
B+
Retailer 6
-
$1,044 USD
A$1,606 AUD
View
B+
Retailer 7
-
$1,198 USD
View
B+
Retailer 8
-
$1,280 USD
View
B+
Retailer 9
-
$1,280 USD
View
B
Retailer 10
-
$1,323 USD
View
B
Retailer 11
-
$1,330 USD
View
B
Retailer 12
-
$1,518 USD
€1,446 EUR
View
Most Expensive
B
Diamond Exchange Canada
1983032469 · Oct 30
$1,905 USD
CA$2,646 CAD
View
12 more retailers have this diamond
Prices start from $987 USDSave up to $919 USD

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
$987 USD