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Marquise|Natural|GIA

0.50ct F I1 Marquise Natural Diamond

F/I1 • GIA 6492146316

Certificate GIA 6492146316

Diamond specifications and retailer prices

From £461 GBP
$619 USD
As of November 1, 2026
Save £218 GBP (32%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,446 GBP at NZ Jewellers · As of November 3, 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) and certified by GIA 6492146316. Listed at 6 retailers as of November 1, 2026, with a 47% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
F
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6492146316
Dimensions8.65 × 4.01 × 2.58 mm
L/W Ratio2.16
Top View
8.65 mm4.01 mm0.50 ctF / I1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6492146316
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,446 GBP|Low: £318 GBP|High: £1,469 GBP|Avg: £621 GBP|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 3£318 GBP
Retailer 7£461 GBP
Retailer 4£496 GBP
Retailer 6£496 GBP
Retailer 9£500 GBP
Retailer 5£532 GBP
Retailer 8£555 GBP
Retailer 11£635 GBP
Retailer 2£679 GBP
Retailer 10£682 GBP
NZ Jewellers£1,446 GBP

18 data points across 11 retailers

6 retailers£461 GBP to £679 GBP

B+
Cheapest Retailer
-
£461 GBP
$619 USD
B+
Retailer 2
-
£496 GBP
$666 USD
View
B+
Retailer 3
-
£496 GBP
$666 USD
View
B+
Retailer 4
-
£532 GBP
$714 USD
View
B
Retailer 5
-
£679 GBP
€868 EUR
View
Most Expensive
NZ Jewellers
4d72676e-91a9-4045-94f0-ab9197c98319 · Nov 3
£1,446 GBP
$1,940 USD
View
Price under review
5 more retailers have this diamond
Prices start from £461 GBPSave up to £218 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.

B+
0.50ct Marquise
£461 GBP