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Round|Natural|IGI

0.50ct J SI2 Round Natural Diamond

VG • J/SI2 • IGI 780660746

Shape and cutting style on the report: Round brilliant

Certificate IGI 780660746

Diamond specifications and retailer prices

From £242 GBP
As of November 4, 2026
Save £768 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,010 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 IGI 780660746. Listed at 15 retailers as of November 4, 2026, with prices from £242 to £1,010, a £768 spread on the same certified stone. NZ Jewellers lists it at £1,010. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 780660746
Dimensions4.94 × 4.97 × 3.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
4.94 mm4.97 mm0.50 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 780660746
Side View
Table 53.0%Crown 36.9°Girdle: STK-THKPavilion 40°Culet: NoneDepth 64.6%

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: £1,010 GBP|Low: £172 GBP|High: £1,010 GBP|Avg: £374 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 8£173 GBP
Retailer 3£242 GBP
Retailer 14£264 GBP
Retailer 10£271 GBP
Retailer 4£284 GBP
Retailer 2£287 GBP
Retailer 15£294 GBP
Retailer 9£354 GBP
Retailer 13£355 GBP
Retailer 5£359 GBP
Retailer 16£360 GBP
Retailer 6£370 GBP
Retailer 7£409 GBP
Retailer 12£439 GBP
Retailer 11£607 GBP
NZ Jewellers£1,010 GBP

36 data points across 16 retailers

15 retailers£242 GBP to £1,010 GBP

A
Cheapest Retailer
-
£242 GBP
Final sale: no returns
B+
Retailer 2
-
£264 GBP
View
B+
Retailer 3
-
£271 GBP
View
Retailer 4
-
£284 GBP
View
Price last confirmed 8 days ago
A
Retailer 5
-
£287 GBP
View
B+
Retailer 6
-
£294 GBP
View
B+
Retailer 7
-
£354 GBP
View
B+
Retailer 8
-
£355 GBP
View
B+
Retailer 9
-
£359 GBP
View
B+
Retailer 10
-
£360 GBP
View
B+
Retailer 11
-
£370 GBP
View
B+
Retailer 12
-
£409 GBP
View
B+
Retailer 13
-
£439 GBP
View
B
Retailer 14
-
£607 GBP
View
Most Expensive
C
NZ Jewellers
788cd431-7ee0-4fa1-8323-aa881501d9a8 · Nov 4
£1,010 GBP
$1,360 USD
View
14 more retailers have this diamond
Prices start from £242 GBPSave up to £768 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
£242 GBP