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Marquise|Natural|GIA

0.50ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 5543621869

Certificate GIA 5543621869

Diamond specifications and retailer prices

From $1,080 SGD
$843 USD
As of October 29, 2026
Save $842 SGD (44%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,731 SGD at NZ Jewellers · As of October 21, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543621869. Listed at 16 retailers as of October 29, 2026, with a 78% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.50
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5543621869
Dimensions7.91 × 4.13 × 2.55 mm
L/W Ratio1.92
Top View
7.91 mm4.13 mm0.50 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5543621869
Side View
Table 59.0%CrownGirdle: THK-VTKPavilion 40.2°Culet: NoneDepth 61.8%

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 29
Current: $1,542 SGD|Low: $1,078 SGD|High: $2,206 SGD|Avg: $1,555 SGD|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 4$1,078 SGD
Retailer 6$1,320 SGD
Retailer 7$1,320 SGD
Retailer 2$1,331 SGD
Retailer 1$1,542 SGD
Retailer 5$1,790 SGD
Retailer 8$1,922 SGD
Retailer 3$2,191 SGD

39 data points across 8 retailers

16 retailers$1,080 SGD to $1,922 SGD

Retailer 1
-
$1,059 SGD
$826 USD
Price last confirmed 7 days ago
Retailer 2
-
$1,078 SGD
$841 USD
View
Price last confirmed 14 days ago
Retailer 3
-
$1,078 SGD
$841 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$1,080 SGD
$843 USD
View
B+
Retailer 5
-
$1,092 SGD
$852 USD
View
Retailer 6
-
$1,119 SGD
$873 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$1,243 SGD
$970 USD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$1,320 SGD
$1,030 USD
View
B
Retailer 9
-
$1,320 SGD
$1,030 USD
View
Retailer 10
-
$1,331 SGD
£818 GBP
View
Price last confirmed 8 days ago
B
Retailer 11
-
$1,334 SGD
$1,041 USD
View
B
Retailer 12
-
$1,371 SGD
$1,070 USD
View
B
Retailer 13
-
$1,542 SGD
€1,146 EUR
View
B
Retailer 14
-
$1,922 SGD
CA$2,083 CAD
View
Retailer 15
-
$2,191 SGD
£1,346 GBP
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
6cd1a02b-cdf6-4e05-a5db-712d00adc034 · Oct 21
$3,731 SGD
$2,911 USD
View
Price under review
15 more retailers have this diamond
Prices start from $1,080 SGDSave up to $842 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+
0.50ct Marquise
$1,080 SGD