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1.09ct I I1 Round Natural Diamond

VG • I/I1 • IGI 234633774

Shape and cutting style on the report: Round brilliant

Certificate IGI 234633774

Diamond specifications and retailer prices

From £1,112 GBP
$1,490 USD
As of November 1, 2026
Save £634 GBP (36%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,746 GBP at Yorxs · As of November 1, 2026
View at Yorxs

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 234633774. Listed at 2 retailers as of November 1, 2026, with prices from £1,112 to £1,746, a £634 spread on the same certified stone. Yorxs lists it at £1,746. 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

1.09
Carat
I
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle31.4°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 234633774
Dimensions6.61 × 6.71 × 3.98 mm
L/W Ratio1.02
Girdle conditionFaceted
Top View
6.61 mm6.71 mm1.09 ctI / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 234633774
Side View
Table 61.5%Crown 31.4°Girdle: MED-STKPavilion 41.6°CuletDepth 59.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £1,112 GBP|Low: £1,112 GBP|High: £1,758 GBP|Avg: £1,424 GBP|-0.3%
Retailer 1
Yorxs
November 1, 2026
Retailer 1£1,112 GBP
Yorxs£1,746 GBP

18 data points across 2 retailers

2 retailers£1,112 GBP to £1,746 GBP

B+
Cheapest Retailer
-
£1,112 GBP
$1,490 USD
Most Expensive
B
Yorxs
555055141 · Nov 1
£1,746 GBP
€2,228 EUR
View
1 more retailer has this diamond
Prices start from £1,112 GBPSave up to £634 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+
1.09ct Round
£1,112 GBP