CaratHunter
Plans
Radiant|Natural|IGI

1.00ct J VS1 Radiant Natural Diamond

VG • J/VS1 • IGI 826630215

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

Certificate IGI 826630215

Diamond specifications and retailer prices

From £978 GBP
As of November 5, 2026
Save £1,595 GBP (62%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,573 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 826630215. Listed at 14 retailers as of November 5, 2026, with prices from £978 to £2,573, a £1,595 spread on the same certified stone. NZ Jewellers lists it at £2,573. 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

1.00
Carat
J
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.5°
Pavilion angle30.9°
OriginNatural
Grading LabIGI
CertificateIGI 826630215
Dimensions5.77 × 5.07 × 3.52 mm
L/W Ratio1.14
Top View
5.77 mm5.07 mm1.00 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 826630215
Side View
Table 61.0%Crown 38.5°Girdle: ThickPavilion 30.9°Culet: NoneDepth 69.4%

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: £2,573 GBP|Low: £978 GBP|High: £2,614 GBP|Avg: £1,320 GBP|-1.6%
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
November 7, 2026
Retailer 6£978 GBP
Retailer 7£1,002 GBP
Retailer 5£1,055 GBP
Retailer 13£1,055 GBP
Retailer 14£1,065 GBP
Retailer 4£1,103 GBP
Retailer 11£1,132 GBP
Retailer 12£1,156 GBP
Retailer 2£1,184 GBP
Retailer 3£1,217 GBP
Retailer 9£1,287 GBP
Retailer 8£1,462 GBP
Retailer 10£1,927 GBP
NZ Jewellers£2,573 GBP

30 data points across 14 retailers

14 retailers£978 GBP to £2,573 GBP

A
Cheapest Retailer
-
£978 GBP
A
Retailer 2
-
£1,002 GBP
View
A
Retailer 3
-
£1,055 GBP
View
Retailer 4
-
£1,055 GBP
View
Price last confirmed 9 days ago
A
Retailer 5
-
£1,065 GBP
View
A
Retailer 6
-
£1,103 GBP
View
A
Retailer 7
-
£1,132 GBP
View
A
Retailer 8
-
£1,156 GBP
View
A
Retailer 9
-
£1,184 GBP
View
A
Retailer 10
-
£1,217 GBP
View
A
Retailer 11
-
£1,287 GBP
View
B+
Retailer 12
-
£1,462 GBP
View
B
Retailer 13
-
£1,927 GBP
View
Most Expensive
B
NZ Jewellers
8193baa3-2a43-4ed0-9f30-6d67beedb5dd · Nov 5
£2,573 GBP
$3,444 USD
View
13 more retailers have this diamond
Prices start from £978 GBPSave up to £1,595 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
1.00ct Radiant
£978 GBP