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Marquise|Natural|GIA

0.50ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 7561554722

Certificate GIA 7561554722

Diamond specifications and retailer prices

From £355 GBP
As of November 5, 2026
Save £875 GBP (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,230 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7561554722. Listed at 7 retailers as of November 5, 2026, with prices from £355 to £1,230, a £875 spread on the same certified stone. NZ Jewellers lists it at £1,230. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7561554722
Dimensions8.28 × 4.03 × 2.59 mm
L/W Ratio2.05
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
8.28 mm4.03 mm0.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7561554722
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.3%

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 5
Current: £1,230 GBP|Low: £353 GBP|High: £1,281 GBP|Avg: £630 GBP|-4.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3£355 GBP
Retailer 4£370 GBP
Retailer 5£392 GBP
Retailer 7£422 GBP
Retailer 2£465 GBP
Retailer 6£905 GBP
NZ Jewellers£1,230 GBP

26 data points across 7 retailers

7 retailers£355 GBP to £1,230 GBP

A
Cheapest Retailer
-
£355 GBP
A
Retailer 2
-
£370 GBP
View
A
Retailer 3
-
£392 GBP
View
A
Retailer 4
-
£422 GBP
View
A
Retailer 5
-
£465 GBP
View
B
Retailer 6
-
£905 GBP
View
Most Expensive
B
NZ Jewellers
b5ef5cc7-b22c-4023-af9a-54e630ce41b0 · Nov 5
£1,230 GBP
$1,646 USD
View
6 more retailers have this diamond
Prices start from £355 GBPSave up to £875 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
£355 GBP