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Round|Natural|GIA

1.09ct F I1 Round Natural Diamond

EX • F/I1 • GIA 1475442591

Certificate GIA 1475442591

Diamond specifications and retailer prices

From £1,639 GBP
$2,200 USD
As of November 2, 2026
Save £52 GBP (3%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,692 GBP at Jared · As of November 2, 2026
View at Jared

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1475442591. Listed at 3 retailers as of November 2, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
F
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1475442591
Dimensions6.52 × 6.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.52 mm6.57 mm1.09 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1475442591
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

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

Last verified: Nov 2
Current: £1,692 GBP|Low: £1,639 GBP|High: £1,870 GBP|Avg: £1,768 GBP|-9.6%
Jared
Retailer 2
Retailer 3
June 15, 2026
Retailer 2£1,639 GBP
Retailer 3£1,639 GBP
Jared£1,692 GBP

3 data points across 3 retailers

3 retailers£1,639 GBP to £1,692 GBP

B+
Cheapest Retailer
-
£1,639 GBP
$2,200 USD
B+
Retailer 2
-
£1,639 GBP
$2,200 USD
View
Most Expensive
B+
Jared
145060667 · Nov 2
£1,692 GBP
$2,270 USD
View
2 more retailers have this diamond
Prices start from £1,639 GBPSave up to £52 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
£1,639 GBP