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Radiant|Natural|IGI

1.00ct F I1 Radiant Natural Diamond

VG • F/I1 • IGI 606341976

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

Certificate IGI 606341976

Diamond specifications and retailer prices

From £757 GBP
$1,016 USD
As of November 1, 2026
Save £463 GBP (38%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,220 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 1ct natural radiant diamond

This 1ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 606341976. Listed at 3 retailers as of November 1, 2026, with prices from £757 to £1,220, a £463 spread on the same certified stone. Yorxs lists it at £1,220. 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
F
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle31.8°
OriginNatural
Grading LabIGI
CertificateIGI 606341976
Dimensions7.82 × 4.98 × 2.98 mm
L/W Ratio1.57
Culet sizePointed
Top View
7.82 mm4.98 mm1.00 ctF / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 606341976
Side View
Table 67.0%Crown 39°Girdle: MED-STKPavilion 31.8°Culet: NoneDepth 59.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £915 GBP|Low: £643 GBP|High: £1,408 GBP|Avg: £949 GBP|-11.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 2, 2026
Retailer 4£643 GBP
Retailer 2£757 GBP
Retailer 1£915 GBP
Retailer 3£1,076 GBP
Yorxs£1,220 GBP

17 data points across 5 retailers

3 retailers£757 GBP to £1,220 GBP

A
Cheapest Retailer
-
£757 GBP
$1,016 USD
B+
Retailer 2
-
£915 GBP
$1,228 USD
View
Most Expensive
B+
Yorxs
08D94CF9C · Nov 2
£1,220 GBP
€1,559 EUR
View
2 more retailers have this diamond
Prices start from £757 GBPSave up to £463 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
£757 GBP