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Round|Natural|GIA

1.00ct H IF Round Natural Diamond

EX • H/IF • GIA 6555048607

Certificate GIA 6555048607

Diamond specifications and retailer prices

From £2,473 GBP
As of November 1, 2026
Save £2,908 GBP (54%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £5,887 GBP at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6555048607. Listed at 22 retailers as of November 1, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6555048607
Dimensions6.32 × 6.38 × 4.00 mm
L/W Ratio1.01
Top View
6.32 mm6.38 mm1.00 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555048607
Side View
Table 56.0%CrownGirdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £3,807 GBP|Low: £2,453 GBP|High: £5,446 GBP|Avg: £3,484 GBP|+5.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 12£2,473 GBP
Retailer 4£2,947 GBP
Retailer 5£3,053 GBP
Retailer 2£3,083 GBP
Retailer 15£3,118 GBP
Retailer 14£3,119 GBP
Retailer 7£3,147 GBP
Retailer 10£3,219 GBP
Retailer 8£3,379 GBP
Retailer 3£3,385 GBP
Retailer 16£3,424 GBP
Retailer 13£3,789 GBP
Retailer 1£3,807 GBP
Retailer 11£4,153 GBP
Retailer 6£4,706 GBP
Retailer 9£5,381 GBP

38 data points across 16 retailers

22 retailers£2,473 GBP to £5,381 GBP

A
Cheapest Retailer
-
£2,473 GBP
A
Retailer 2
-
£2,947 GBP
View
B+
Retailer 3
-
£3,053 GBP
View
Retailer 4
-
£3,083 GBP
View
Price last confirmed 22 days ago
B+
Retailer 5
-
£3,118 GBP
View
Retailer 6
-
£3,147 GBP
View
Price last confirmed 10 days ago
B+
Retailer 7
-
£3,219 GBP
View
Retailer 8
-
£3,379 GBP
View
Price last confirmed 37 days ago
Retailer 9
-
£3,379 GBP
View
Price last confirmed 28 days ago
B+
Retailer 10
-
£3,385 GBP
View
Retailer 11
-
£3,424 GBP
View
Price last confirmed 32 days ago
Retailer 12
-
£3,782 GBP
View
Price last confirmed 59 days ago
Retailer 13
-
£3,782 GBP
View
Price last confirmed 49 days ago
B+
Retailer 14
-
£3,789 GBP
View
B+
Retailer 15
-
£3,807 GBP
View
Retailer 16
-
£3,898 GBP
View
Price last confirmed 38 days ago
B+
Retailer 17
-
£4,153 GBP
View
B
Retailer 18
-
£4,802 GBP
View
B
Retailer 19
-
£5,381 GBP
View
Retailer 20
-
£5,711 GBP
View
Price last confirmed 48 days ago
Retailer 21
-
£5,887 GBP
View
Price last confirmed 38 days ago
Most Expensive
NZ Jewellers
7443e40e-7f84-4130-b8e9-d2405b2dcd45 · Oct 3
£5,887 GBP
$7,923 USD
View
Price last confirmed 33 days ago
21 more retailers have this diamond
Prices start from £2,473 GBPSave up to £2,908 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
£2,473 GBP