Round|Natural|GIA

1.00ct H IF Round Natural Diamond

EX • H/IF • GIA 6561318964

Certificate GIA 6561318964

Diamond specifications and retailer prices

From £2,525 GBP
As of November 5, 2026
Save £3,355 GBP (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £5,880 GBP at NZ Jewellers · As of November 5, 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 6561318964. Listed at 20 retailers as of November 5, 2026, with prices from £2,525 to £5,880, a £3,355 spread on the same certified stone. NZ Jewellers lists it at £5,880. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6561318964
Dimensions6.36 × 6.40 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.36 mm6.40 mm1.00 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561318964
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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 5
Current: £5,880 GBP|Low: £2,525 GBP|High: £5,908 GBP|Avg: £3,684 GBP|-0.5%
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
November 5, 2026
Retailer 2£2,525 GBP
Retailer 13£2,884 GBP
Retailer 7£2,958 GBP
Retailer 5£3,022 GBP
Retailer 20£3,032 GBP
Retailer 18£3,073 GBP
Retailer 8£3,130 GBP
Retailer 16£3,317 GBP
Retailer 15£3,375 GBP
Retailer 3£3,391 GBP
Retailer 12£3,492 GBP
Retailer 4£3,502 GBP
Retailer 10£3,547 GBP
Retailer 9£3,610 GBP
Retailer 19£3,777 GBP
Retailer 6£3,913 GBP
Retailer 14£3,917 GBP
Retailer 11£4,258 GBP
Retailer 17£5,387 GBP
NZ Jewellers£5,880 GBP

28 data points across 20 retailers

20 retailers£2,525 GBP to £5,880 GBP

A
Cheapest Retailer
-
£2,525 GBP
A
Retailer 2
-
£2,884 GBP
View
A
Retailer 3
-
£2,958 GBP
View
B+
Retailer 4
-
£3,022 GBP
View
A
Retailer 5
-
£3,032 GBP
View
B+
Retailer 6
-
£3,073 GBP
View
B+
Retailer 7
-
£3,130 GBP
View
Final sale: no returns
B+
Retailer 8
-
£3,317 GBP
View
B+
Retailer 9
-
£3,375 GBP
View
B+
Retailer 10
-
£3,391 GBP
View
Retailer 11
-
£3,492 GBP
View
Price last confirmed 27 days ago
B+
Retailer 12
-
£3,502 GBP
View
B+
Retailer 13
-
£3,547 GBP
View
B+
Retailer 14
-
£3,610 GBP
View
B+
Retailer 15
-
£3,777 GBP
View
B+
Retailer 16
-
£3,913 GBP
View
B+
Retailer 17
-
£3,917 GBP
View
B+
Retailer 18
-
£4,258 GBP
View
B
Retailer 19
-
£5,387 GBP
View
Most Expensive
B
NZ Jewellers
e16d1500-a9b9-46be-85a3-efd2528fbea6 · Nov 5
£5,880 GBP
$7,938 USD
View
19 more retailers have this diamond
Prices start from £2,525 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
£2,525 GBP