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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 $814 AUD
SGD 771 SGD
As of November 2, 2026
Save $607 AUD (43%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,421 AUD 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 $814 to $1,421, a $607 spread on the same certified stone. Frank Darling lists it at $1,421. 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: $1,421 AUD|Low: $814 AUD|High: $1,461 AUD|Avg: $1,075 AUD|-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$814 AUD
Retailer 8$827 AUD
Retailer 7$879 AUD
Retailer 6$956 AUD
Retailer 2$958 AUD
Retailer 5$1,058 AUD
Retailer 3$1,151 AUD
Retailer 4$1,193 AUD
Retailer 10$1,221 AUD
Frank Darling$1,421 AUD

32 data points across 10 retailers

10 retailers$814 AUD to $1,421 AUD

A
Cheapest Retailer
-
$814 AUD
SGD 771 SGD
A
Retailer 2
-
$827 AUD
SGD 783 SGD
View
A
Retailer 3
-
$879 AUD
$616 USD
View
A
Retailer 4
-
$956 AUD
£528 GBP
View
A
Retailer 5
-
$958 AUD
£529 GBP
View
B+
Retailer 6
-
$1,058 AUD
$742 USD
View
B+
Retailer 7
-
$1,151 AUD
€768 EUR
View
B+
Retailer 8
-
$1,193 AUD
$836 USD
View
B+
Retailer 9
-
$1,221 AUD
$856 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
Frank Darling
2678314HK · Nov 2
$1,421 AUD
$996 USD
View
9 more retailers have this diamond
Prices start from $814 AUDSave up to $607 AUD

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
$814 AUD