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Marquise|Natural|GIA

0.51ct H VS1 Marquise Natural Diamond

EX • H/VS1 • GIA 2567688796

Certificate GIA 2567688796

Diamond specifications and retailer prices

From £538 GBP
As of November 6, 2026
Save £669 GBP (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,207 GBP at Flawless Fine Jewelry · As of November 6, 2026
View at Flawless Fine Jewelry

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded H 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 2567688796. Listed at 10 retailers as of November 6, 2026, with prices from £538 to £1,207, a £669 spread on the same certified stone. Flawless Fine Jewelry lists it at £1,207. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.85°
Pavilion angle40.48°
OriginNatural
Grading LabGIA
CertificateGIA 2567688796
Dimensions7.85 × 4.15 × 2.63 mm
L/W Ratio1.89
Culet sizeNone
Top View
7.85 mm4.15 mm0.51 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2567688796
Side View
Table 60.0%Crown 39.85°Girdle: THK-VTKPavilion 40.48°Culet: NoneDepth 63.4%

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: £1,207 GBP|Low: £538 GBP|High: £1,207 GBP|Avg: £768 GBP
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3£538 GBP
Retailer 6£587 GBP
Retailer 4£601 GBP
Retailer 8£651 GBP
Retailer 5£677 GBP
Retailer 9£822 GBP
Retailer 2£875 GBP
Retailer 7£898 GBP
Flawless Fine Jewelry£1,207 GBP

2 data points across 9 retailers

10 retailers£538 GBP to £1,207 GBP

A
Cheapest Retailer
-
£538 GBP
A
Retailer 2
-
£587 GBP
View
A
Retailer 3
-
£601 GBP
View
B+
Retailer 4
-
£651 GBP
View
B+
Retailer 5
-
£677 GBP
View
B
Retailer 6
-
£799 GBP
View
B
Retailer 7
-
£822 GBP
View
B+
Retailer 8
-
£875 GBP
View
B
Retailer 9
-
£898 GBP
View
Most Expensive
B
Flawless Fine Jewelry
F385589D6 · Nov 6
£1,207 GBP
View
9 more retailers have this diamond
Prices start from £538 GBPSave up to £669 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
£538 GBP