Round|Natural|GIA

0.51ct J VS2 Round Natural Diamond

EX • J/VS2 • GIA 2526042321

Certificate GIA 2526042321

Diamond specifications and retailer prices

From £363 GBP
As of November 4, 2026
Save £543 GBP (60%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,232 GBP at NZ Jewellers · As of October 3, 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 2526042321. Listed at 16 retailers as of November 4, 2026, with a 150% 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
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2526042321
Dimensions5.10 × 5.07 × 3.18 mm
L/W Ratio1.01
Top View
5.10 mm5.07 mm0.51 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2526042321
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.8%

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 4
Current: £485 GBP|Low: £291 GBP|High: £918 GBP|Avg: £513 GBP|+9.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 8£363 GBP
Retailer 3£371 GBP
Retailer 9£405 GBP
Retailer 2£409 GBP
Retailer 4£421 GBP
Retailer 1£485 GBP
Retailer 12£490 GBP
Retailer 5£528 GBP
Retailer 10£542 GBP
Retailer 11£590 GBP
Retailer 6£609 GBP
Retailer 7£906 GBP

45 data points across 12 retailers

16 retailers£363 GBP to £906 GBP

A
Cheapest Retailer
-
£363 GBP
Final sale: no returns
A
Retailer 2
-
£371 GBP
View
Retailer 3
-
£393 GBP
View
Price last confirmed 29 days ago
A
Retailer 4
-
£405 GBP
View
A
Retailer 5
-
£409 GBP
View
Retailer 6
-
£423 GBP
View
Price last confirmed 21 days ago
Retailer 7
-
£423 GBP
View
Price last confirmed 22 days ago
Retailer 8
-
£453 GBP
View
Price last confirmed 28 days ago
B+
Retailer 9
-
£485 GBP
View
B+
Retailer 10
-
£490 GBP
View
B+
Retailer 11
-
£528 GBP
View
B+
Retailer 12
-
£542 GBP
View
Retailer 13
-
£590 GBP
View
Price last confirmed 34 days ago
B+
Retailer 14
-
£609 GBP
View
B
Retailer 15
-
£906 GBP
View
Most Expensive
NZ Jewellers
5154aa71-57ea-4711-a318-11b08c0a02e9 · Oct 3
£1,232 GBP
$1,658 USD
View
Price last confirmed 34 days ago
15 more retailers have this diamond
Prices start from £363 GBPSave up to £543 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 Round
£363 GBP