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Radiant|Natural|IGI

1.00ct J VS1 Radiant Natural Diamond

VG • J/VS1 • IGI 634413491

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

Certificate IGI 634413491

Diamond specifications and retailer prices

From £1,065 GBP
As of November 6, 2026
Save £1,750 GBP (62%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,815 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 634413491. Listed at 18 retailers as of November 5, 2026, with prices from £1,065 to £2,815, a £1,750 spread on the same certified stone. NZ Jewellers lists it at £2,815. 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
FluorescenceNone
Crown angle35.7°
Pavilion angle36.6°
OriginNatural
Grading LabIGI
CertificateIGI 634413491
Dimensions6.94 × 5.10 × 3.37 mm
L/W Ratio1.36
Culet sizePointed
Top View
6.94 mm5.10 mm1.00 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 634413491
Side View
Table 69.0%Crown 35.7°Girdle: MediumPavilion 36.6°Culet: NoneDepth 66.1%

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: £2,815 GBP|Low: £1,025 GBP|High: £2,815 GBP|Avg: £1,357 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
Retailer 17
November 7, 2026
Retailer 7£1,065 GBP
Retailer 9£1,070 GBP
Retailer 15£1,072 GBP
Retailer 14£1,076 GBP
Retailer 10£1,097 GBP
Retailer 4£1,148 GBP
Retailer 3£1,154 GBP
Retailer 8£1,154 GBP
Retailer 17£1,207 GBP
Retailer 6£1,207 GBP
Retailer 16£1,255 GBP
Retailer 2£1,296 GBP
Retailer 5£1,332 GBP
Retailer 12£1,408 GBP
Retailer 11£1,567 GBP
Retailer 13£2,017 GBP
NZ Jewellers£2,815 GBP

40 data points across 17 retailers

18 retailers£1,065 GBP to £2,815 GBP

A
Cheapest Retailer
-
£1,065 GBP
Final sale: no returns
A
Retailer 2
-
£1,070 GBP
View
A
Retailer 3
-
£1,072 GBP
View
A
Retailer 4
-
£1,076 GBP
View
A
Retailer 5
-
£1,097 GBP
View
A
Retailer 6
-
£1,148 GBP
View
A
Retailer 7
-
£1,154 GBP
View
Retailer 8
-
£1,154 GBP
View
Price last confirmed 9 days ago
A
Retailer 9
-
£1,207 GBP
View
A
Retailer 10
-
£1,207 GBP
View
A
Retailer 11
-
£1,242 GBP
View
A
Retailer 12
-
£1,255 GBP
View
A
Retailer 13
-
£1,296 GBP
View
B+
Retailer 14
-
£1,332 GBP
View
A
Retailer 15
-
£1,408 GBP
View
B+
Retailer 16
-
£1,567 GBP
View
B
Retailer 17
-
£2,017 GBP
View
Most Expensive
B
NZ Jewellers
925d52e8-7a2e-48e4-a56d-d2fb81a9d2f0 · Nov 5
£2,815 GBP
$3,768 USD
View
17 more retailers have this diamond
Prices start from £1,065 GBPSave up to £1,750 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
£1,065 GBP