Round|Natural|GIA

0.50ct J VS2 Round Natural Diamond

EX • J/VS2 • GIA 6405940817

Certificate GIA 6405940817

Diamond specifications and retailer prices

From £333 GBP
As of November 5, 2026
Save £711 GBP (68%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,420 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct 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 6405940817. Listed at 25 retailers as of November 4, 2026, with a 214% 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

0.50
Carat
J
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6405940817
Dimensions5.12 × 5.11 × 3.13 mm
L/W Ratio1.00
Top View
5.12 mm5.11 mm0.50 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6405940817
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.2%

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 5
Current: £606 GBP|Low: £333 GBP|High: £1,051 GBP|Avg: £570 GBP|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4£333 GBP
Retailer 10£418 GBP
Retailer 7£450 GBP
Retailer 9£487 GBP
Retailer 5£548 GBP
Retailer 3£556 GBP
Retailer 1£606 GBP
Retailer 2£681 GBP
Retailer 6£698 GBP
Retailer 8£1,044 GBP

38 data points across 10 retailers

25 retailers£333 GBP to £1,044 GBP

A
Cheapest Retailer
-
£333 GBP
A
Retailer 2
-
£418 GBP
View
Final sale: no returns
B+
Retailer 3
-
£429 GBP
View
B+
Retailer 4
-
£450 GBP
View
Retailer 5
-
£452 GBP
View
Price last confirmed 39 days ago
Retailer 6
-
£452 GBP
View
Price last confirmed 20 days ago
B+
Retailer 7
-
£452 GBP
View
Retailer 8
-
£487 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
£487 GBP
View
Price last confirmed 22 days ago
Retailer 10
-
£487 GBP
View
Price last confirmed 21 days ago
Retailer 11
-
£522 GBP
View
Price last confirmed 40 days ago
B+
Retailer 12
-
£522 GBP
View
B+
Retailer 13
-
£534 GBP
View
B+
Retailer 14
-
£548 GBP
View
B+
Retailer 15
-
£551 GBP
View
B
Retailer 16
-
£556 GBP
View
B+
Retailer 17
-
£594 GBP
View
B+
Retailer 18
-
£606 GBP
View
B+
Retailer 19
-
£626 GBP
View
Retailer 20
-
£681 GBP
View
Price last confirmed 33 days ago
B
Retailer 21
-
£698 GBP
View
B
Retailer 22
-
£1,044 GBP
View
Retailer 23
-
£1,420 GBP
View
Price last confirmed 43 days ago
Retailer 24
-
£1,420 GBP
View
Price last confirmed 20 days ago
Most Expensive
NZ Jewellers
28becf64-17b4-4b2c-b6b2-9dcd4f81b76f · Oct 30
£1,420 GBP
$1,911 USD
View
Price last confirmed 7 days ago
24 more retailers have this diamond
Prices start from £333 GBPSave up to £711 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
0.50ct Round
£333 GBP