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Marquise|Natural|GIA

0.51ct E VS1 Marquise Natural Diamond

EX • E/VS1 • GIA 2566397191

Certificate GIA 2566397191

Diamond specifications and retailer prices

From £484 GBP
As of November 4, 2026
Save £735 GBP (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,218 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded E colour (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 2566397191. Listed at 8 retailers as of November 2, 2026, with prices from £484 to £1,218, a £735 spread on the same certified stone. MOH London lists it at £1,218. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
E
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566397191
Dimensions9.28 × 3.94 × 2.49 mm
L/W Ratio2.36
Top View
9.28 mm3.94 mm0.51 ctE / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2566397191
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,218 GBP|Low: £483 GBP|High: £1,232 GBP|Avg: £832 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3£484 GBP
Retailer 5£652 GBP
Retailer 6£699 GBP
Retailer 2£770 GBP
Retailer 4£934 GBP
Retailer 7£1,000 GBP
MOH London£1,218 GBP

40 data points across 7 retailers

8 retailers£484 GBP to £1,218 GBP

A
Cheapest Retailer
-
£484 GBP
Retailer 2
-
£652 GBP
View
Price last confirmed 18 days ago
A
Retailer 3
-
£699 GBP
View
A
Retailer 4
-
£770 GBP
View
B+
Retailer 5
-
£879 GBP
View
B+
Retailer 6
-
£934 GBP
View
Retailer 7
-
£1,000 GBP
View
Price last confirmed 32 days ago
Most Expensive
B
MOH London
B0D2BE146 · Nov 2
£1,218 GBP
View
7 more retailers have this diamond
Prices start from £484 GBPSave up to £735 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
0.51ct Marquise
£484 GBP