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Radiant|Natural|IGI

1.00ct J VS1 Radiant Natural Diamond

VG • J/VS1 • IGI 803681856

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

Certificate IGI 803681856

Diamond specifications and retailer prices

From £687 GBP
As of November 6, 2026
Save £1,545 GBP (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,232 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 803681856. Listed at 15 retailers as of November 5, 2026, with prices from £687 to £2,232, a £1,545 spread on the same certified stone. NZ Jewellers lists it at £2,232. 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 angle46.1°
Pavilion angle36.2°
OriginNatural
Grading LabIGI
CertificateIGI 803681856
Dimensions6.37 × 4.99 × 3.57 mm
L/W Ratio1.28
Top View
6.37 mm4.99 mm1.00 ctJ / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803681856
Side View
Table 63.0%Crown 46.1°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 71.5%

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: £1,061 GBP|Low: £687 GBP|High: £1,685 GBP|Avg: £1,023 GBP|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 2£687 GBP
Retailer 5£849 GBP
Retailer 3£870 GBP
Retailer 7£885 GBP
Retailer 8£997 GBP
Retailer 1£1,061 GBP
Retailer 4£1,272 GBP
Retailer 6£1,677 GBP

27 data points across 8 retailers

15 retailers£687 GBP to £2,232 GBP

A
Cheapest Retailer
-
£687 GBP
A
Retailer 2
-
£844 GBP
View
Final sale: no returns
A
Retailer 3
-
£849 GBP
View
A
Retailer 4
-
£870 GBP
View
A
Retailer 5
-
£885 GBP
View
A
Retailer 6
-
£915 GBP
View
B+
Retailer 7
-
£950 GBP
View
A
Retailer 8
-
£997 GBP
View
B+
Retailer 9
-
£1,056 GBP
View
B+
Retailer 10
-
£1,061 GBP
View
B+
Retailer 11
-
£1,115 GBP
View
B+
Retailer 12
-
£1,272 GBP
View
B+
Retailer 13
-
£1,313 GBP
View
B+
Retailer 14
-
£1,677 GBP
View
Most Expensive
B
NZ Jewellers
69067996-e289-495b-acdd-49529d40c4fb · Nov 5
£2,232 GBP
$2,988 USD
View
14 more retailers have this diamond
Prices start from £687 GBPSave up to £1,545 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
£687 GBP