Round|Natural|GIA

0.50ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 6261373891

Certificate GIA 6261373891

Diamond specifications and retailer prices

From £346 GBP
As of November 4, 2026
Save £981 GBP (74%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,327 GBP at NZ Jewellers · As of November 4, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6261373891. Listed at 17 retailers as of November 4, 2026, with prices from £346 to £1,327, a £981 spread on the same certified stone. NZ Jewellers lists it at £1,327. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.50
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6261373891
Dimensions5.08 × 5.05 × 3.15 mm
L/W Ratio1.01
Top View
5.08 mm5.05 mm0.50 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6261373891
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £510 GBP|Low: £266 GBP|High: £988 GBP|Avg: £528 GBP|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6£353 GBP
Retailer 4£386 GBP
Retailer 7£413 GBP
Retailer 9£455 GBP
Retailer 8£473 GBP
Retailer 1£510 GBP
Retailer 2£561 GBP
Retailer 3£566 GBP
Retailer 5£976 GBP

45 data points across 9 retailers

17 retailers£346 GBP to £1,327 GBP

A
Cheapest Retailer
-
£346 GBP
B+
Retailer 2
-
£353 GBP
View
Final sale: no returns
B+
Retailer 3
-
£383 GBP
View
B+
Retailer 4
-
£386 GBP
View
Retailer 5
-
£413 GBP
View
Price last confirmed 8 days ago
B+
Retailer 6
-
£413 GBP
View
B+
Retailer 7
-
£442 GBP
View
B+
Retailer 8
-
£455 GBP
View
B
Retailer 9
-
£487 GBP
View
B
Retailer 10
-
£502 GBP
View
B
Retailer 11
-
£510 GBP
View
B
Retailer 12
-
£561 GBP
View
B
Retailer 13
-
£566 GBP
View
B
Retailer 14
-
£584 GBP
View
B
Retailer 15
-
£976 GBP
View
C
Retailer 16
-
£1,204 GBP
View
Most Expensive
C
NZ Jewellers
f085c2f1-0ca5-4a80-8a73-def594fa4852 · Nov 4
£1,327 GBP
$1,786 USD
View
16 more retailers have this diamond
Prices start from £346 GBPSave up to £981 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
£346 GBP