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Oval|Natural|GIA

0.51ct F VS1 Oval Natural Diamond

EX • F/VS1 • GIA 5231198155

Certificate GIA 5231198155

Diamond specifications and retailer prices

From £976 GBP
As of November 6, 2026
Save £962 GBP (50%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,581 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded F 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 5231198155. Listed at 17 retailers as of November 1, 2026, with a 98% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5231198155
Dimensions6.36 × 4.55 × 2.70 mm
L/W Ratio1.40
Top View
6.36 mm4.55 mm0.51 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231198155
Side View
Table 60.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 59.3%

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 6
Current: £2,581 GBP|Low: £895 GBP|High: £2,581 GBP|Avg: £1,384 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 14£976 GBP
Retailer 16£981 GBP
Retailer 6£1,058 GBP
Retailer 7£1,058 GBP
Retailer 3£1,107 GBP
Retailer 4£1,132 GBP
Retailer 8£1,159 GBP
Retailer 2£1,161 GBP
Retailer 5£1,221 GBP
Retailer 18£1,243 GBP
Retailer 15£1,381 GBP
Retailer 10£1,411 GBP
Retailer 13£1,473 GBP
Retailer 11£1,633 GBP
Retailer 9£1,694 GBP
Retailer 17£1,773 GBP
Retailer 12£1,938 GBP
NZ Jewellers£2,581 GBP

39 data points across 18 retailers

17 retailers£976 GBP to £1,938 GBP

B+
Cheapest Retailer
-
£976 GBP
Final sale: no returns
B+
Retailer 2
-
£981 GBP
View
B+
Retailer 3
-
£1,058 GBP
View
B+
Retailer 4
-
£1,107 GBP
View
B+
Retailer 5
-
£1,132 GBP
View
B
Retailer 6
-
£1,159 GBP
View
B+
Retailer 7
-
£1,161 GBP
View
B
Retailer 8
-
£1,221 GBP
View
Retailer 9
-
£1,381 GBP
View
Price last confirmed 32 days ago
B
Retailer 10
-
£1,394 GBP
View
Retailer 11
-
£1,411 GBP
View
Price last confirmed 49 days ago
B
Retailer 12
-
£1,473 GBP
View
B
Retailer 13
-
£1,633 GBP
View
B
Retailer 14
-
£1,773 GBP
View
B
Retailer 15
-
£1,901 GBP
View
B
Retailer 16
-
£1,938 GBP
View
Most Expensive
NZ Jewellers
fb02ef7e-2255-4d1c-9239-52f6ff659d8c · Nov 5
£2,581 GBP
$3,455 USD
View
Price under review
16 more retailers have this diamond
Prices start from £976 GBPSave up to £962 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+
0.51ct Oval
£976 GBP