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Radiant|Natural|IGI

1.00ct D SI2 Radiant Natural Diamond

VG • D/SI2 • IGI 700528962

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

Certificate IGI 700528962

Diamond specifications and retailer prices

From £1,183 GBP
As of November 4, 2026
Save £1,984 GBP (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,168 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 D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 700528962. Listed at 14 retailers as of November 4, 2026, with prices from £1,183 to £3,168, a £1,984 spread on the same certified stone. NZ Jewellers lists it at £3,168. 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
D
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle49.1°
Pavilion angle30.8°
OriginNatural
Grading LabIGI
CertificateIGI 700528962
Dimensions6.40 × 4.86 × 3.45 mm
L/W Ratio1.32
Culet sizePointed
Top View
6.40 mm4.86 mm1.00 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 700528962
Side View
Table 62.0%Crown 49.1°Girdle: STK-THKPavilion 30.8°Culet: NoneDepth 71.0%

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 4
Current: £3,168 GBP|Low: £1,098 GBP|High: £3,168 GBP|Avg: £1,539 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
November 6, 2026
Retailer 5£1,183 GBP
Retailer 12£1,198 GBP
Retailer 10£1,207 GBP
Retailer 16£1,270 GBP
Retailer 3£1,298 GBP
Retailer 6£1,298 GBP
Retailer 13£1,299 GBP
Retailer 14£1,359 GBP
Retailer 15£1,360 GBP
Retailer 7£1,401 GBP
Retailer 11£1,432 GBP
Retailer 4£1,499 GBP
Retailer 8£1,545 GBP
Retailer 2£1,764 GBP
Retailer 9£2,269 GBP
NZ Jewellers£3,168 GBP

31 data points across 16 retailers

14 retailers£1,183 GBP to £3,168 GBP

A
Cheapest Retailer
-
£1,183 GBP
A
Retailer 2
-
£1,198 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,207 GBP
View
A
Retailer 4
-
£1,270 GBP
View
Retailer 5
-
£1,298 GBP
View
Price last confirmed 9 days ago
A
Retailer 6
-
£1,298 GBP
View
A
Retailer 7
-
£1,359 GBP
View
A
Retailer 8
-
£1,360 GBP
View
A
Retailer 9
-
£1,401 GBP
View
A
Retailer 10
-
£1,432 GBP
View
B+
Retailer 11
-
£1,499 GBP
View
A
Retailer 12
-
£1,764 GBP
View
B+
Retailer 13
-
£2,269 GBP
View
Most Expensive
B
NZ Jewellers
3ddb4a13-4a67-4d33-8142-a420ec26ded6 · Nov 5
£3,168 GBP
$4,240 USD
View
13 more retailers have this diamond
Prices start from £1,183 GBPSave up to £1,984 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
£1,183 GBP