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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 $571 USD
SGD 771 SGD
As of November 2, 2026
Save $425 USD (43%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $996 USD 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 $571 to $996, a $425 spread on the same certified stone. Frank Darling lists it at $996. 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
Color
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: $996 USD|Low: $571 USD|High: $1,024 USD|Avg: $753 USD|-2.7%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 9$571 USD
Retailer 8$579 USD
Retailer 7$616 USD
Retailer 6$670 USD
Retailer 3$672 USD
Retailer 5$742 USD
Retailer 2$806 USD
Retailer 4$836 USD
Retailer 10$856 USD
Frank Darling$996 USD

32 data points across 10 retailers

10 retailers$571 USD to $996 USD

A
Cheapest Retailer
-
$571 USD
SGD 771 SGD
A
Retailer 2
-
$579 USD
SGD 783 SGD
View
A
Retailer 3
-
$616 USD
View
A
Retailer 4
-
$670 USD
£528 GBP
View
A
Retailer 5
-
$672 USD
£529 GBP
View
B+
Retailer 6
-
$742 USD
View
B+
Retailer 7
-
$806 USD
€768 EUR
View
B+
Retailer 8
-
$836 USD
View
B+
Retailer 9
-
$856 USD
View
Most Expensive
B+
Frank Darling
2678314HK · Nov 2
$996 USD
View
9 more retailers have this diamond
Prices start from $571 USDSave up to $425 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.

A
0.50ct Marquise
$571 USD