Round|Natural|GIA

1.00ct F IF Round Natural Diamond

EX • F/IF • GIA 6551945657

Certificate GIA 6551945657

Diamond specifications and retailer prices

From £3,317 GBP
As of November 5, 2026
Save £918 GBP (22%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,234 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6551945657. Listed at 6 retailers as of November 5, 2026, with prices from £3,317 to £4,234, a £918 spread on the same certified stone. GemTrove lists it at £4,234. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6551945657
Dimensions6.30 × 6.35 × 4.02 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.30 mm6.35 mm1.00 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6551945657
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.5%

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 5
Current: £3,895 GBP|Low: £3,280 GBP|High: £4,085 GBP|Avg: £3,765 GBP|-3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2£3,317 GBP
Retailer 5£3,763 GBP
Retailer 4£3,863 GBP
Retailer 1£3,895 GBP
Retailer 3£4,010 GBP

46 data points across 5 retailers

6 retailers£3,317 GBP to £4,234 GBP

A
Cheapest Retailer
-
£3,317 GBP
A
Retailer 2
-
£3,763 GBP
View
A
Retailer 3
-
£3,863 GBP
View
Final sale: no returns
A
Retailer 4
-
£3,895 GBP
View
A
Retailer 5
-
£4,010 GBP
View
Most Expensive
B+
GemTrove
GT-N-01359863-98 · Nov 6
£4,234 GBP
A$8,768 AUD
View
5 more retailers have this diamond
Prices start from £3,317 GBPSave up to £918 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 Round
£3,317 GBP