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1.09ct H FL Round Natural Diamond

EX • H/FL • GIA 3515096058

Certificate GIA 3515096058

Diamond specifications and retailer prices

From £3,691 GBP
As of November 5, 2026
Save £3,047 GBP (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £6,738 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 3515096058. Listed at 7 retailers as of November 5, 2026, with prices from £3,691 to £6,738, a £3,047 spread on the same certified stone. NZ Jewellers lists it at £6,738. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
H
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 3515096058
Dimensions6.55 × 6.59 × 4.12 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.55 mm6.59 mm1.09 ctH / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3515096058
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: £6,738 GBP|Low: £2,946 GBP|High: £6,738 GBP|Avg: £4,850 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6£3,691 GBP
Retailer 5£3,719 GBP
Retailer 4£4,329 GBP
Retailer 2£4,397 GBP
Retailer 3£6,399 GBP
NZ Jewellers£6,738 GBP

26 data points across 6 retailers

7 retailers£3,691 GBP to £6,738 GBP

B+
Cheapest Retailer
-
£3,691 GBP
B+
Retailer 2
-
£3,719 GBP
View
Final sale: no returns
B+
Retailer 3
-
£4,329 GBP
View
B+
Retailer 4
-
£4,397 GBP
View
B
Retailer 5
-
£6,399 GBP
View
B
Retailer 6
-
£6,468 GBP
View
Most Expensive
B
NZ Jewellers
456818fe-fd84-4980-9b9a-7c6b1f9086cb · Nov 5
£6,738 GBP
$9,069 USD
View
6 more retailers have this diamond
Prices start from £3,691 GBPSave up to £3,047 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
£3,691 GBP