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Round|Natural|GIA

1.00ct H IF Round Natural Diamond

EX • H/IF • GIA 2566693274

Certificate GIA 2566693274

Diamond specifications and retailer prices

From £2,473 GBP
As of November 1, 2026
Save £3,355 GBP (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £5,828 GBP at NZ Jewellers · As of October 30, 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 2566693274. Listed at 16 retailers as of October 30, 2026, with prices from £2,473 to £5,828, a £3,355 spread on the same certified stone. NZ Jewellers lists it at £5,828. 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
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566693274
Dimensions6.32 × 6.36 × 3.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.32 mm6.36 mm1.00 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566693274
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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: £5,828 GBP|Low: £2,453 GBP|High: £5,828 GBP|Avg: £3,528 GBP
NZ Jewellers
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
Retailer 17
November 1, 2026
Retailer 14£2,473 GBP
Retailer 6£2,918 GBP
Retailer 10£2,996 GBP
Retailer 3£3,025 GBP
Retailer 9£3,087 GBP
Retailer 4£3,088 GBP
Retailer 12£3,187 GBP
Retailer 16£3,345 GBP
Retailer 17£3,345 GBP
Retailer 7£3,508 GBP
Retailer 5£3,751 GBP
Retailer 2£3,768 GBP
Retailer 15£3,860 GBP
Retailer 13£4,112 GBP
Retailer 8£4,754 GBP
Retailer 11£5,327 GBP
NZ Jewellers£5,828 GBP

6 data points across 17 retailers

16 retailers£2,473 GBP to £5,828 GBP

A
Cheapest Retailer
-
£2,473 GBP
A
Retailer 2
-
£2,918 GBP
View
A
Retailer 3
-
£2,996 GBP
View
B+
Retailer 4
-
£3,025 GBP
View
B+
Retailer 5
-
£3,087 GBP
View
B+
Retailer 6
-
£3,187 GBP
View
Retailer 7
-
£3,345 GBP
View
Price last confirmed 7 days ago
Retailer 8
-
£3,345 GBP
View
Price last confirmed 7 days ago
B+
Retailer 9
-
£3,508 GBP
View
B+
Retailer 10
-
£3,751 GBP
View
B+
Retailer 11
-
£3,768 GBP
View
B+
Retailer 12
-
£3,860 GBP
View
B+
Retailer 13
-
£4,112 GBP
View
B
Retailer 14
-
£4,754 GBP
View
B
Retailer 15
-
£5,327 GBP
View
Most Expensive
B
NZ Jewellers
61258358-42f6-477e-8ef1-2395009bbfad · Oct 30
£5,828 GBP
$7,844 USD
View
15 more retailers have this diamond
Prices start from £2,473 GBPSave up to £3,355 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