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Marquise|Natural|GIA

0.50ct F I1 Marquise Natural Diamond

EX • F/I1 • GIA 7558659499

Certificate GIA 7558659499

Diamond specifications and retailer prices

From £324 GBP
$435 USD
As of November 2, 2026
Save £892 GBP (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,216 GBP at NZ Jewellers · As of October 30, 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 F colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558659499. Listed at 10 retailers as of October 30, 2026, with prices from £324 to £1,216, a £892 spread on the same certified stone. NZ Jewellers lists it at £1,216. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.50
Carat
F
Colour
I1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.6°
Pavilion angle37.1°
OriginNatural
Grading LabGIA
CertificateGIA 7558659499
Dimensions8.42 × 4.00 × 2.44 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizeNone
Top View
8.42 mm4.00 mm0.50 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558659499
Side View
Table 62.0%Crown 37.6°Girdle: STK-VTKPavilion 37.1°Culet: NoneDepth 61.1%

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: £1,216 GBP|Low: £289 GBP|High: £1,256 GBP|Avg: £476 GBP|-3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3£289 GBP
Retailer 9£324 GBP
Retailer 10£335 GBP
Retailer 6£351 GBP
Retailer 11£362 GBP
Retailer 4£379 GBP
Retailer 5£379 GBP
Retailer 2£405 GBP
Retailer 8£417 GBP
Retailer 7£524 GBP
NZ Jewellers£1,216 GBP

28 data points across 11 retailers

10 retailers£324 GBP to £1,216 GBP

A
Cheapest Retailer
-
£324 GBP
$435 USD
Final sale: no returns
A
Retailer 2
-
£335 GBP
$450 USD
View
A
Retailer 3
-
£351 GBP
$471 USD
View
A
Retailer 4
-
£362 GBP
HK$3,800 HKD
View
A
Retailer 5
-
£379 GBP
$508 USD
View
A
Retailer 6
-
£379 GBP
$508 USD
View
A
Retailer 7
-
£405 GBP
$544 USD
View
A
Retailer 8
-
£417 GBP
$560 USD
View
B+
Retailer 9
-
£524 GBP
€670 EUR
View
Most Expensive
B
NZ Jewellers
1aa68603-5b1f-4308-bcba-b744a69f7b29 · Oct 30
£1,216 GBP
$1,632 USD
View
9 more retailers have this diamond
Prices start from £324 GBPSave up to £892 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
£324 GBP