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Round|Natural|GIA

1.00ct H IF Round Natural Diamond

EX • H/IF • GIA 1563672128

Certificate GIA 1563672128

Diamond specifications and retailer prices

From £2,596 GBP
As of November 4, 2026
Save £3,511 GBP (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £6,107 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 1563672128. Listed at 23 retailers as of October 30, 2026, with prices from £2,596 to £6,107, a £3,511 spread on the same certified stone. NZ Jewellers lists it at £6,107. 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 1563672128
Dimensions6.36 × 6.34 × 3.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
6.36 mm6.34 mm1.00 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563672128
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 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 4
Current: £6,107 GBP|Low: £2,482 GBP|High: £6,107 GBP|Avg: £3,558 GBP
NZ Jewellers
Retailer 2
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Retailer 23
November 2, 2026
Retailer 3£2,596 GBP
Retailer 17£2,658 GBP
Retailer 9£2,901 GBP
Retailer 19£3,005 GBP
Retailer 7£3,121 GBP
Retailer 8£3,141 GBP
Retailer 11£3,236 GBP
Retailer 5£3,310 GBP
Retailer 15£3,375 GBP
Retailer 16£3,375 GBP
Retailer 13£3,435 GBP
Retailer 21£3,505 GBP
Retailer 10£3,514 GBP
Retailer 14£3,650 GBP
Retailer 4£3,693 GBP
Retailer 18£3,727 GBP
Retailer 2£4,040 GBP
Retailer 6£4,045 GBP
Retailer 12£4,076 GBP
Retailer 23£4,076 GBP
Retailer 22£4,309 GBP
Retailer 20£5,583 GBP
NZ Jewellers£6,107 GBP

11 data points across 23 retailers

23 retailers£2,596 GBP to £6,107 GBP

A
Cheapest Retailer
-
£2,596 GBP
A
Retailer 2
-
£2,658 GBP
View
A
Retailer 3
-
£2,901 GBP
View
Retailer 4
-
£2,974 GBP
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£3,005 GBP
View
B+
Retailer 6
-
£3,121 GBP
View
B+
Retailer 7
-
£3,141 GBP
View
B+
Retailer 8
-
£3,310 GBP
View
Retailer 9
-
£3,375 GBP
View
Price last confirmed 7 days ago
Retailer 10
-
£3,375 GBP
View
Price last confirmed 7 days ago
B+
Retailer 11
-
£3,435 GBP
View
B+
Retailer 12
-
£3,505 GBP
View
B+
Retailer 13
-
£3,514 GBP
View
B+
Retailer 14
-
£3,650 GBP
View
B+
Retailer 15
-
£3,693 GBP
View
B+
Retailer 16
-
£3,727 GBP
View
B+
Retailer 17
-
£4,040 GBP
View
B+
Retailer 18
-
£4,045 GBP
View
B+
Retailer 19
-
£4,076 GBP
View
B+
Retailer 20
-
£4,076 GBP
View
B
Retailer 21
-
£4,309 GBP
View
B
Retailer 22
-
£5,583 GBP
View
Most Expensive
B
NZ Jewellers
92513d2d-8a71-41cd-97c7-f7001d0a4e8c · Oct 30
£6,107 GBP
$8,220 USD
View
22 more retailers have this diamond
Prices start from £2,596 GBPSave up to £3,511 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
£2,596 GBP