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Oval|Natural|GIA

0.51ct K VS1 Oval Natural Diamond

EX • K/VS1 • GIA 5566045789

Certificate GIA 5566045789

Diamond specifications and retailer prices

From £301 GBP
As of November 1, 2026
Save £323 GBP (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £624 GBP at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5566045789. Listed at 10 retailers as of November 1, 2026, with prices from £301 to £624, a £323 spread on the same certified stone. Frank Darling lists it at £624. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.65°
Pavilion angle40.09°
OriginNatural
Grading LabGIA
CertificateGIA 5566045789
Dimensions6.43 × 4.42 × 2.78 mm
L/W Ratio1.45
Culet sizeNone
Top View
6.43 mm4.42 mm0.51 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5566045789
Side View
Table 57.0%Crown 36.65°Girdle: STK-VTKPavilion 40.09°Culet: NoneDepth 62.9%

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 1
Current: £624 GBP|Low: £301 GBP|High: £645 GBP|Avg: £427 GBP|-3.3%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 9£301 GBP
Retailer 2£328 GBP
Retailer 8£341 GBP
Retailer 4£366 GBP
Retailer 7£391 GBP
Retailer 6£421 GBP
Retailer 5£442 GBP
Retailer 10£454 GBP
Retailer 3£519 GBP
Frank Darling£624 GBP

35 data points across 10 retailers

10 retailers£301 GBP to £624 GBP

A
Cheapest Retailer
-
£301 GBP
A
Retailer 2
-
£328 GBP
View
A
Retailer 3
-
£341 GBP
View
A
Retailer 4
-
£366 GBP
View
A
Retailer 5
-
£391 GBP
View
B+
Retailer 6
-
£421 GBP
View
B+
Retailer 7
-
£442 GBP
View
Retailer 8
-
£454 GBP
View
Price last confirmed 11 days ago
B
Retailer 9
-
£519 GBP
View
Most Expensive
B
Frank Darling
2672849HK · Nov 2
£624 GBP
$835 USD
View
9 more retailers have this diamond
Prices start from £301 GBPSave up to £323 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 Oval
£301 GBP