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Oval|Natural|GIA

0.51ct K VVS1 Oval Natural Diamond

EX • K/VVS1 • GIA 6237921603

Certificate GIA 6237921603

Diamond specifications and retailer prices

From £377 GBP
As of November 6, 2026
Save £320 GBP (46%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £698 GBP at Frank Darling · As of November 6, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6237921603. Listed at 11 retailers as of November 6, 2026, with prices from £377 to £698, a £320 spread on the same certified stone. Frank Darling lists it at £698. 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
VVS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.08°
Pavilion angle38.55°
OriginNatural
Grading LabGIA
CertificateGIA 6237921603
Dimensions6.44 × 4.43 × 2.72 mm
L/W Ratio1.45
Top View
6.44 mm4.43 mm0.51 ctK / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6237921603
Side View
Table 59.0%Crown 39.08°Girdle: STK-THKPavilion 38.55°Culet: NoneDepth 61.5%

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 6
Current: £698 GBP|Low: £377 GBP|High: £705 GBP|Avg: £522 GBP|-1.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9£377 GBP
Retailer 4£394 GBP
Retailer 8£414 GBP
Retailer 3£452 GBP
Retailer 7£491 GBP
Retailer 6£528 GBP
Retailer 5£537 GBP
Retailer 2£554 GBP
Retailer 10£568 GBP
Frank Darling£698 GBP

43 data points across 10 retailers

11 retailers£377 GBP to £698 GBP

A
Cheapest Retailer
-
£377 GBP
A
Retailer 2
-
£394 GBP
View
A
Retailer 3
-
£414 GBP
View
A
Retailer 4
-
£452 GBP
View
B+
Retailer 5
-
£461 GBP
View
B+
Retailer 6
-
£491 GBP
View
B+
Retailer 7
-
£528 GBP
View
B+
Retailer 8
-
£537 GBP
View
B+
Retailer 9
-
£554 GBP
View
B
Retailer 10
-
£568 GBP
View
Most Expensive
B
Frank Darling
2617164HK · Nov 6
£698 GBP
$934 USD
View
10 more retailers have this diamond
Prices start from £377 GBPSave up to £320 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
£377 GBP