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Radiant|Natural|IGI

1.00ct H I1 Radiant Natural Diamond

VG • H/I1 • IGI 700528965

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

Certificate IGI 700528965

Diamond specifications and retailer prices

From £797 GBP
$1,070 USD
As of November 1, 2026
Save £1,233 GBP (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,031 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded H colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 700528965. Listed at 8 retailers as of October 30, 2026, with prices from £797 to £2,031, a £1,233 spread on the same certified stone. NZ Jewellers lists it at £2,031. 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
H
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle48.8°
Pavilion angle30.8°
OriginNatural
Grading LabIGI
CertificateIGI 700528965
Dimensions6.19 × 4.87 × 3.52 mm
L/W Ratio1.27
Culet sizeNone
Top View
6.19 mm4.87 mm1.00 ctH / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI 700528965
Side View
Table 63.0%Crown 48.8°Girdle: STK-THKPavilion 30.8°Culet: NoneDepth 72.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,031 GBP|Low: £531 GBP|High: £2,031 GBP|Avg: £987 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10£531 GBP
Retailer 8£797 GBP
Retailer 5£832 GBP
Retailer 6£832 GBP
Retailer 4£864 GBP
Retailer 3£864 GBP
Retailer 7£961 GBP
Retailer 9£991 GBP
Retailer 2£1,167 GBP
NZ Jewellers£2,031 GBP

17 data points across 10 retailers

8 retailers£797 GBP to £2,031 GBP

B+
Cheapest Retailer
-
£797 GBP
$1,070 USD
B+
Retailer 2
-
£832 GBP
$1,117 USD
View
B+
Retailer 3
-
£832 GBP
$1,117 USD
View
B+
Retailer 4
-
£864 GBP
$1,159 USD
View
B+
Retailer 5
-
£864 GBP
$1,160 USD
View
B+
Retailer 6
-
£961 GBP
$1,289 USD
View
B+
Retailer 7
-
£1,167 GBP
€1,491 EUR
View
Most Expensive
B
NZ Jewellers
824c6c2c-836d-4b30-8fb4-42d55a024eda · Oct 30
£2,031 GBP
$2,725 USD
View
7 more retailers have this diamond
Prices start from £797 GBPSave up to £1,233 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.

B+
1.00ct Radiant
£797 GBP