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Radiant|Natural|IGI

1.01ct H SI2 Radiant Natural Diamond

VG • H/SI2 • IGI 668405923

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

Certificate IGI 668405923

Diamond specifications and retailer prices

From £901 GBP
As of November 6, 2026
Save £1,480 GBP (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,381 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 668405923. Listed at 16 retailers as of November 5, 2026, with prices from £901 to £2,381, a £1,480 spread on the same certified stone. NZ Jewellers lists it at £2,381. 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

1.01
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle42°
OriginNatural
Grading LabIGI
CertificateIGI 668405923
Dimensions6.62 × 5.30 × 3.59 mm
L/W Ratio1.25
Culet sizePointed
Top View
6.62 mm5.30 mm1.01 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 668405923
Side View
Table 70.0%Crown 46.4°Girdle: THN-MEDPavilion 42°Culet: NoneDepth 67.7%

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: £2,381 GBP|Low: £751 GBP|High: £2,381 GBP|Avg: £1,169 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
November 6, 2026
Retailer 11£901 GBP
Retailer 6£905 GBP
Retailer 12£923 GBP
Retailer 2£959 GBP
Retailer 4£976 GBP
Retailer 5£976 GBP
Retailer 15£1,000 GBP
Retailer 14£1,017 GBP
Retailer 13£1,021 GBP
Retailer 7£1,043 GBP
Retailer 10£1,077 GBP
Retailer 3£1,127 GBP
Retailer 8£1,355 GBP
Retailer 9£1,783 GBP
NZ Jewellers£2,381 GBP

45 data points across 15 retailers

16 retailers£901 GBP to £2,381 GBP

A
Cheapest Retailer
-
£901 GBP
Final sale: no returns
A
Retailer 2
-
£905 GBP
View
Retailer 3
-
£923 GBP
View
Price last confirmed 10 days ago
A
Retailer 4
-
£959 GBP
View
Retailer 5
-
£976 GBP
View
Price last confirmed 9 days ago
A
Retailer 6
-
£976 GBP
View
B+
Retailer 7
-
£1,000 GBP
View
B+
Retailer 8
-
£1,017 GBP
View
B+
Retailer 9
-
£1,021 GBP
View
B+
Retailer 10
-
£1,043 GBP
View
A
Retailer 11
-
£1,077 GBP
View
B+
Retailer 12
-
£1,077 GBP
View
B+
Retailer 13
-
£1,127 GBP
View
B+
Retailer 14
-
£1,355 GBP
View
B+
Retailer 15
-
£1,783 GBP
View
Most Expensive
B
NZ Jewellers
c64a6b78-3b14-4d19-be06-07e1488bd45d · Nov 5
£2,381 GBP
$3,187 USD
View
15 more retailers have this diamond
Prices start from £901 GBPSave up to £1,480 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
1.01ct Radiant
£901 GBP