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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 £425 GBP
SGD 771 SGD
As of November 2, 2026
Save £317 GBP (43%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £742 GBP 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 £425 to £742, a £317 spread on the same certified stone. Frank Darling lists it at £742. 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: £742 GBP|Low: £425 GBP|High: £763 GBP|Avg: £561 GBP|-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£425 GBP
Retailer 8£432 GBP
Retailer 7£459 GBP
Retailer 6£499 GBP
Retailer 3£500 GBP
Retailer 5£553 GBP
Retailer 2£601 GBP
Retailer 4£623 GBP
Retailer 10£638 GBP
Frank Darling£742 GBP

32 data points across 10 retailers

10 retailers£425 GBP to £742 GBP

A
Cheapest Retailer
-
£425 GBP
SGD 771 SGD
A
Retailer 2
-
£432 GBP
SGD 783 SGD
View
A
Retailer 3
-
£459 GBP
$616 USD
View
A
Retailer 4
-
£499 GBP
View
A
Retailer 5
-
£500 GBP
View
B+
Retailer 6
-
£553 GBP
$742 USD
View
B+
Retailer 7
-
£601 GBP
€768 EUR
View
B+
Retailer 8
-
£623 GBP
$836 USD
View
B+
Retailer 9
-
£638 GBP
$856 USD
View
Most Expensive
B+
Frank Darling
2678314HK · Nov 2
£742 GBP
$996 USD
View
9 more retailers have this diamond
Prices start from £425 GBPSave up to £317 GBP

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
£425 GBP