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Round|Natural|GIA

1.05ct E FL Round Natural Diamond

EX • E/FL • GIA 5543799234

Certificate GIA 5543799234

Diamond specifications and retailer prices

From £5,246 GBP
As of October 28, 2026
Save £898 GBP (15%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £6,144 GBP at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5543799234. Listed at 2 retailers as of October 28, 2026, with prices from £5,246 to £6,144, a £898 spread on the same certified stone. Blue Nile lists it at £6,144. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5543799234
Dimensions6.43 × 6.46 × 4.05 mm
L/W Ratio1.00
Top View
6.43 mm6.46 mm1.05 ctE / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5543799234
Side View
Table 57.0%Crown 35.5°GirdlePavilion 41°CuletDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: £6,144 GBP|Low: £5,246 GBP|High: £10,837 GBP|Avg: £7,020 GBP
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 28, 2026
Retailer 2£5,246 GBP
Retailer 5£6,016 GBP
Blue Nile£6,144 GBP
Retailer 4£6,405 GBP
Retailer 8£6,640 GBP
Retailer 3£6,683 GBP
Retailer 6£8,172 GBP
Retailer 7£10,837 GBP

5 data points across 8 retailers

2 retailers£5,246 GBP to £6,144 GBP

A
Cheapest Retailer
-
£5,246 GBP
Most Expensive
A
Blue Nile
29542238 · Oct 29
£6,144 GBP
$8,182 USD
View
1 more retailer has this diamond
Prices start from £5,246 GBPSave up to £898 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
1.05ct Round
£5,246 GBP