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Round|Natural|GIA

0.51ct J VS2 Round Natural Diamond

EX • J/VS2 • GIA 1399142424

Certificate GIA 1399142424

Diamond specifications and retailer prices

From £765 GBP
As of November 5, 2026
Save £557 GBP (42%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,870 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1399142424. Listed at 24 retailers as of November 5, 2026, with a 73% 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
J
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1399142424
Dimensions5.23 × 5.19 × 3.10 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Key to symbols
Cloud
Top View
5.23 mm5.19 mm0.51 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1399142424
Side View
Table 60.0%Crown 33°Girdle: NUL-NULPavilion 40.8°Culet: NoneDepth 59.4%

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 5
Current: £1,870 GBP|Low: £765 GBP|High: £1,885 GBP|Avg: £1,198 GBP|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6£765 GBP
Retailer 8£932 GBP
Retailer 9£944 GBP
Retailer 4£1,123 GBP
Retailer 5£1,221 GBP
Retailer 2£1,283 GBP
Retailer 3£1,322 GBP
Retailer 7£1,580 GBP
MOH London£1,870 GBP

32 data points across 9 retailers

24 retailers£765 GBP to £1,322 GBP

B+
Cheapest Retailer
-
£765 GBP
Retailer 2
-
£914 GBP
View
Price last confirmed 18 days ago
B
Retailer 3
-
£932 GBP
View
B
Retailer 4
-
£944 GBP
View
Final sale: no returns
B
Retailer 5
-
£949 GBP
View
B
Retailer 6
-
£1,015 GBP
View
B
Retailer 7
-
£1,024 GBP
View
Retailer 8
-
£1,024 GBP
View
Price last confirmed 50 days ago
Retailer 9
-
£1,024 GBP
View
Price last confirmed 8 days ago
B
Retailer 10
-
£1,071 GBP
View
B
Retailer 11
-
£1,103 GBP
View
B
Retailer 12
-
£1,123 GBP
View
B
Retailer 13
-
£1,124 GBP
View
Retailer 14
-
£1,181 GBP
View
Price last confirmed 45 days ago
B
Retailer 15
-
£1,181 GBP
View
B
Retailer 16
-
£1,221 GBP
View
B
Retailer 17
-
£1,276 GBP
View
B
Retailer 18
-
£1,283 GBP
View
B
Retailer 19
-
£1,322 GBP
View
Retailer 20
-
£1,336 GBP
View
Price last confirmed 32 days ago
Retailer 21
-
£1,580 GBP
View
Price under review
Most Expensive
MOH London
9430B3A41 · Nov 4
£1,870 GBP
View
Price under review
21 more retailers have this diamond
Prices start from £765 GBPSave up to £557 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 Round
£765 GBP