Round|Natural|GIA

0.51ct J VS2 Round Natural Diamond

EX • J/VS2 • GIA 5212794887

Certificate GIA 5212794887

Diamond specifications and retailer prices

From £519 GBP
As of November 4, 2026
Save £470 GBP (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,004 GBP at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

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 5212794887. Listed at 19 retailers as of November 4, 2026, with a 91% 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
OriginNatural
Grading LabGIA
CertificateGIA 5212794887
Dimensions5.15 × 5.13 × 3.13 mm
L/W Ratio1.00
Top View
5.15 mm5.13 mm0.51 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5212794887
Side View
Table 62.0%CrownGirdle: Sli. ThickPavilionCulet: NoneDepth 61.0%

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 4
Current: £851 GBP|Low: £438 GBP|High: £1,184 GBP|Avg: £734 GBP|+20.9%
Retailer 1
Retailer 2
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Retailer 11
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Retailer 19
November 5, 2026
Retailer 17£490 GBP
Retailer 13£519 GBP
Retailer 11£562 GBP
Retailer 7£579 GBP
Retailer 9£579 GBP
Retailer 5£588 GBP
Retailer 6£657 GBP
Retailer 10£691 GBP
Retailer 14£691 GBP
Retailer 3£706 GBP
Retailer 15£713 GBP
Retailer 18£713 GBP
Retailer 12£802 GBP
Retailer 4£815 GBP
Retailer 1£851 GBP
Retailer 8£870 GBP
Retailer 2£961 GBP
Retailer 19£988 GBP
Retailer 16£1,181 GBP

40 data points across 19 retailers

19 retailers£519 GBP to £989 GBP

B+
Cheapest Retailer
-
£519 GBP
Retailer 2
-
£534 GBP
View
Price last confirmed 102 days ago
B+
Retailer 3
-
£562 GBP
View
Retailer 4
-
£579 GBP
View
Price last confirmed 29 days ago
Retailer 5
-
£579 GBP
View
Price last confirmed 29 days ago
Retailer 6
-
£601 GBP
View
Price last confirmed 38 days ago
Retailer 7
-
£668 GBP
View
Price last confirmed 38 days ago
B
Retailer 8
-
£691 GBP
View
B
Retailer 9
-
£691 GBP
View
B
Retailer 10
-
£713 GBP
View
B
Retailer 11
-
£713 GBP
View
B
Retailer 12
-
£802 GBP
View
B
Retailer 13
-
£851 GBP
View
Retailer 14
-
£870 GBP
View
Price last confirmed 29 days ago
Retailer 15
-
£961 GBP
View
Price last confirmed 33 days ago
Retailer 16
-
£988 GBP
View
Price last confirmed 33 days ago
B
Retailer 17
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£989 GBP
View
Retailer 18
-
£1,181 GBP
View
Price last confirmed 29 days ago
Most Expensive
NZ Jewellers
09b912c3-95c0-4266-ab3b-f44b03c0bee3 · Sep 28
£2,004 GBP
$2,697 USD
View
Price under review
18 more retailers have this diamond
Prices start from £519 GBPSave up to £470 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
£519 GBP