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Marquise|Natural|GIA

0.50ct I VS1 Marquise Natural Diamond

EX • I/VS1 • GIA 6552636119

Certificate GIA 6552636119

Diamond specifications and retailer prices

From £371 GBP
As of November 6, 2026
Save £1,007 GBP (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,378 GBP at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552636119. Listed at 10 retailers as of November 5, 2026, with prices from £371 to £1,378, a £1,007 spread on the same certified stone. NZ Jewellers lists it at £1,378. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.50
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552636119
Dimensions4.08 × 8.98 × 2.40 mm
L/W Ratio2.20
Key to symbols
Feather, Needle, Cloud
Top View
4.08 mm8.98 mm0.50 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552636119
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 58.7%

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 6
Current: £1,378 GBP|Low: £371 GBP|High: £1,449 GBP|Avg: £592 GBP|-4.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8£371 GBP
Retailer 10£406 GBP
Retailer 7£440 GBP
Retailer 3£452 GBP
Retailer 5£473 GBP
Retailer 2£507 GBP
Retailer 6£507 GBP
Retailer 4£539 GBP
Retailer 9£614 GBP
NZ Jewellers£1,378 GBP

43 data points across 10 retailers

10 retailers£371 GBP to £1,378 GBP

A
Cheapest Retailer
-
£371 GBP
A
Retailer 2
-
£406 GBP
View
Final sale: no returns
A
Retailer 3
-
£440 GBP
View
A
Retailer 4
-
£452 GBP
View
A
Retailer 5
-
£473 GBP
View
A
Retailer 6
-
£507 GBP
View
A
Retailer 7
-
£507 GBP
View
A
Retailer 8
-
£539 GBP
View
B+
Retailer 9
-
£614 GBP
View
Most Expensive
B
NZ Jewellers
f85858c7-391a-4418-ac9e-1e81434dd0ce · Nov 5
£1,378 GBP
$1,855 USD
View
9 more retailers have this diamond
Prices start from £371 GBPSave up to £1,007 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
£371 GBP