Radiant|Natural|IGI

1.03ct J IF Radiant Natural Diamond

GD • J/IF • IGI 632408229

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 632408229

Diamond specifications and retailer prices

From £778 GBP
As of November 6, 2026
Save £1,784 GBP (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,562 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural radiant diamond

This 1.03ct natural radiant sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI 632408229. Listed at 11 retailers as of November 5, 2026, with prices from £778 to £2,562, a £1,784 spread on the same certified stone. NZ Jewellers lists it at £2,562. 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

1.03
Carat
J
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceFaint
Crown angle41.9°
Pavilion angle31.9°
OriginNatural
Grading LabIGI
CertificateIGI 632408229
Dimensions6.80 × 5.01 × 3.45 mm
L/W Ratio1.36
Culet sizePointed
Top View
6.80 mm5.01 mm1.03 ctJ / IF
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceFaint
CertificateIGI 632408229
Side View
Table 65.0%Crown 41.9°Girdle: MED-STKPavilion 31.9°Culet: NoneDepth 68.9%

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 6
Current: £1,190 GBP|Low: £778 GBP|High: £1,947 GBP|Avg: £1,231 GBP|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 2£778 GBP
Retailer 5£969 GBP
Retailer 6£1,099 GBP
Retailer 1£1,190 GBP
Retailer 3£1,351 GBP
Retailer 4£1,918 GBP

42 data points across 6 retailers

11 retailers£778 GBP to £2,562 GBP

A
Cheapest Retailer
-
£778 GBP
B+
Retailer 2
-
£969 GBP
View
Final sale: no returns
B+
Retailer 3
-
£982 GBP
View
B+
Retailer 4
-
£1,050 GBP
View
B+
Retailer 5
-
£1,094 GBP
View
B+
Retailer 6
-
£1,099 GBP
View
B+
Retailer 7
-
£1,190 GBP
View
B+
Retailer 8
-
£1,212 GBP
View
B+
Retailer 9
-
£1,351 GBP
View
B
Retailer 10
-
£1,918 GBP
View
Most Expensive
C
NZ Jewellers
2744211d-a2ec-432a-a947-8a58dfcd31da · Nov 5
£2,562 GBP
$3,429 USD
View
10 more retailers have this diamond
Prices start from £778 GBPSave up to £1,784 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
1.03ct Radiant
£778 GBP