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Marquise|Natural|GIA

0.50ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 1513917758

Certificate GIA 1513917758

Diamond specifications and retailer prices

From $730 SGD
As of November 2, 2026
Save $544 SGD (43%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,274 SGD at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded F 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 1513917758. Listed at 10 retailers as of November 2, 2026, with prices from $730 to $1,274, a $544 spread on the same certified stone. Frank Darling lists it at $1,274. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1513917758
Dimensions7.69 × 4.07 × 2.67 mm
L/W Ratio1.89
Culet sizeNone
Top View
7.69 mm4.07 mm0.50 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1513917758
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,274 SGD|Low: $730 SGD|High: $1,309 SGD|Avg: $963 SGD|-2.7%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 9$730 SGD
Retailer 8$741 SGD
Retailer 7$788 SGD
Retailer 6$857 SGD
Retailer 2$859 SGD
Retailer 5$948 SGD
Retailer 3$1,031 SGD
Retailer 4$1,069 SGD
Retailer 10$1,095 SGD
Frank Darling$1,274 SGD

32 data points across 10 retailers

10 retailers$730 SGD to $1,274 SGD

A
Cheapest Retailer
-
$730 SGD
A
Retailer 2
-
$741 SGD
View
A
Retailer 3
-
$788 SGD
$616 USD
View
A
Retailer 4
-
$857 SGD
£528 GBP
View
A
Retailer 5
-
$859 SGD
£529 GBP
View
B+
Retailer 6
-
$948 SGD
$742 USD
View
B+
Retailer 7
-
$1,031 SGD
€768 EUR
View
B+
Retailer 8
-
$1,069 SGD
$836 USD
View
B+
Retailer 9
-
$1,095 SGD
$856 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
Frank Darling
2678314HK · Nov 2
$1,274 SGD
$996 USD
View
9 more retailers have this diamond
Prices start from $730 SGDSave up to $544 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.

A
0.50ct Marquise
$730 SGD