CaratHunter
Plans
Marquise|Natural|GIA

0.50ct G I1 Marquise Natural Diamond

EX • G/I1 • GIA 5211892590

Certificate GIA 5211892590

Diamond specifications and retailer prices

From £554 GBP
$744 USD
As of November 2, 2026
Save £236 GBP (30%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £790 GBP at Yorxs · As of November 2, 2026
View at Yorxs

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 I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5211892590. Listed at 2 retailers as of November 2, 2026, with prices from £554 to £790, a £236 spread on the same certified stone. Yorxs lists it at £790. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5211892590
Dimensions8.39 × 4.07 × 2.52 mm
L/W Ratio2.06
Top View
8.39 mm4.07 mm0.50 ctG / I1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 5211892590
Side View
Table 57.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 62.0%

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 2
Current: £554 GBP|Low: £554 GBP|High: £848 GBP|Avg: £701 GBP|-5.8%
Retailer 1
Yorxs
October 31, 2026
Retailer 1£554 GBP
Yorxs£790 GBP

18 data points across 2 retailers

2 retailers£554 GBP to £790 GBP

B+
Cheapest Retailer
-
£554 GBP
$744 USD
Most Expensive
B
Yorxs
283D0943F · Nov 2
£790 GBP
€1,010 EUR
View
1 more retailer has this diamond
Prices start from £554 GBPSave up to £236 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
£554 GBP