Round|Natural|GIA

1.00ct H IF Round Natural Diamond

EX • H/IF • GIA 1565105592

Certificate GIA 1565105592

Diamond specifications and retailer prices

From £2,268 GBP
As of November 4, 2026
Save £1,066 GBP (32%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £4,968 GBP at NZ Jewellers · As of September 21, 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 1565105592. Listed at 22 retailers as of November 4, 2026, with a 47% 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
FluorescenceMedium
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1565105592
Dimensions6.31 × 6.36 × 3.96 mm
L/W Ratio1.01
Key to symbols
Natural
Top View
6.31 mm6.36 mm1.00 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1565105592
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.5%

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 4
Current: £4,796 GBP|Low: £2,016 GBP|High: £4,910 GBP|Avg: £2,957 GBP|-2.3%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 5, 2026
Retailer 11£2,016 GBP
Retailer 21£2,268 GBP
Retailer 19£2,274 GBP
Retailer 20£2,307 GBP
Retailer 13£2,314 GBP
Retailer 5£2,346 GBP
Retailer 9£2,366 GBP
Retailer 3£2,424 GBP
Retailer 4£2,455 GBP
Retailer 8£2,495 GBP
Retailer 10£2,753 GBP
Retailer 14£2,829 GBP
Retailer 6£2,859 GBP
Retailer 17£2,909 GBP
Retailer 15£2,927 GBP
Retailer 7£3,024 GBP
Retailer 18£3,024 GBP
Retailer 22£3,128 GBP
Retailer 16£3,249 GBP
Retailer 2£3,335 GBP
Retailer 12£4,702 GBP
NZ Jewellers£4,796 GBP

36 data points across 22 retailers

22 retailers£2,268 GBP to £3,335 GBP

Retailer 1
-
£2,016 GBP
Price last confirmed 28 days ago
A
Retailer 2
-
£2,268 GBP
View
A
Retailer 3
-
£2,274 GBP
View
A
Retailer 4
-
£2,307 GBP
View
A
Retailer 5
-
£2,314 GBP
View
Retailer 6
-
£2,366 GBP
View
Price last confirmed 27 days ago
Retailer 7
-
£2,401 GBP
View
Price last confirmed 42 days ago
A
Retailer 8
-
£2,424 GBP
View
Retailer 9
-
£2,753 GBP
View
Price last confirmed 27 days ago
Retailer 10
-
£2,829 GBP
View
Price last confirmed 26 days ago
Retailer 11
-
£2,852 GBP
View
Price last confirmed 44 days ago
A
Retailer 12
-
£2,859 GBP
View
A
Retailer 13
-
£2,909 GBP
View
Retailer 14
-
£2,927 GBP
View
Price last confirmed 37 days ago
B+
Retailer 15
-
£3,024 GBP
View
B+
Retailer 16
-
£3,024 GBP
View
B+
Retailer 17
-
£3,128 GBP
View
B+
Retailer 18
-
£3,249 GBP
View
B+
Retailer 19
-
£3,335 GBP
View
Retailer 20
-
£4,702 GBP
View
Price last confirmed 28 days ago
Retailer 21
-
£4,796 GBP
View
Price last confirmed 27 days ago
Most Expensive
NZ Jewellers
ba920e11-c0bc-4d31-9277-233b6ae67585 · Sep 21
£4,968 GBP
$6,686 USD
View
Price last confirmed 44 days ago
21 more retailers have this diamond
Prices start from £2,268 GBPSave up to £1,066 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
£2,268 GBP