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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 $1,261 SGD
$987 USD
As of October 31, 2026
Save $1,174 SGD (48%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,436 SGD 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 $1,261 to $2,436, a $1,174 spread on the same certified stone. Diamond Exchange Canada lists it at $2,436. 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: Oct 31
Current: $2,436 SGD|Low: $586 SGD|High: $2,436 SGD|Avg: $1,341 SGD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 28, 2026
Retailer 11$586 SGD
Retailer 8$884 SGD
Retailer 12$984 SGD
Retailer 5$987 SGD
Retailer 14$1,015 SGD
Retailer 7$1,036 SGD
Retailer 6$1,056 SGD
Retailer 9$1,183 SGD
Retailer 13$1,240 SGD
Retailer 20$1,261 SGD
Retailer 15$1,263 SGD
Retailer 18$1,323 SGD
Retailer 17$1,327 SGD
Retailer 16$1,532 SGD
Retailer 10$1,542 SGD
Retailer 4$1,636 SGD
Retailer 21$1,636 SGD
Retailer 19$1,691 SGD
Retailer 3$1,700 SGD
Retailer 2$1,941 SGD
Diamond Exchange Canada$2,436 SGD

18 data points across 21 retailers

13 retailers$1,261 SGD to $2,436 SGD

Retailer 1
-
$1,240 SGD
$970 USD
Price last confirmed 15 days ago
B+
Retailer 2
-
$1,261 SGD
$987 USD
View
B+
Retailer 3
-
$1,263 SGD
View
B+
Retailer 4
-
$1,323 SGD
$1,035 USD
View
B+
Retailer 5
-
$1,327 SGD
$1,038 USD
View
B+
Retailer 6
-
$1,334 SGD
A$1,606 AUD
View
B+
Retailer 7
-
$1,532 SGD
$1,198 USD
View
B+
Retailer 8
-
$1,636 SGD
$1,280 USD
View
B+
Retailer 9
-
$1,636 SGD
$1,280 USD
View
B
Retailer 10
-
$1,691 SGD
$1,323 USD
View
B
Retailer 11
-
$1,700 SGD
$1,330 USD
View
B
Retailer 12
-
$1,941 SGD
€1,446 EUR
View
Most Expensive
B
Diamond Exchange Canada
1983032469 · Oct 30
$2,436 SGD
CA$2,646 CAD
View
12 more retailers have this diamond
Prices start from $1,261 SGDSave up to $1,174 SGD

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
$1,261 SGD