Round|Natural|GIA

1.05ct H IF Round Natural Diamond

EX • H/IF • GIA 1429925548

Certificate GIA 1429925548

Diamond specifications and retailer prices

From £2,988 GBP
As of November 4, 2026
Save £4,451 GBP (60%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £7,439 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.05ct natural round diamond

This 1.05ct 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 1429925548. Listed at 25 retailers as of November 4, 2026, with prices from £2,988 to £7,439, a £4,451 spread on the same certified stone. Diamond Quarter lists it at £7,439. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1429925548
Dimensions6.50 × 6.45 × 4.06 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.50 mm6.45 mm1.05 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1429925548
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

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: £4,161 GBP|Low: £2,988 GBP|High: £6,096 GBP|Avg: £3,806 GBP|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 3£2,988 GBP
Retailer 9£3,043 GBP
Retailer 11£3,162 GBP
Retailer 6£3,341 GBP
Retailer 8£3,381 GBP
Retailer 2£3,421 GBP
Retailer 4£3,627 GBP
Retailer 12£3,813 GBP
Retailer 1£4,161 GBP
Retailer 5£4,252 GBP
Retailer 10£4,649 GBP
Retailer 7£6,008 GBP

33 data points across 12 retailers

25 retailers£2,988 GBP to £7,439 GBP

A
Cheapest Retailer
-
£2,988 GBP
A
Retailer 2
-
£3,039 GBP
View
A
Retailer 3
-
£3,043 GBP
View
A
Retailer 4
-
£3,162 GBP
View
Final sale: no returns
B+
Retailer 5
-
£3,190 GBP
View
B+
Retailer 6
-
£3,239 GBP
View
B+
Retailer 7
-
£3,341 GBP
View
B+
Retailer 8
-
£3,381 GBP
View
B+
Retailer 9
-
£3,421 GBP
View
Retailer 10
-
£3,427 GBP
View
Price last confirmed 38 days ago
Retailer 11
-
£3,427 GBP
View
Price last confirmed 7 days ago
B+
Retailer 12
-
£3,427 GBP
View
B+
Retailer 13
-
£3,627 GBP
View
B+
Retailer 14
-
£3,648 GBP
View
B+
Retailer 15
-
£3,648 GBP
View
B+
Retailer 16
-
£3,767 GBP
View
Retailer 17
-
£3,813 GBP
View
Price last confirmed 27 days ago
Retailer 18
-
£3,954 GBP
View
Price last confirmed 38 days ago
B+
Retailer 19
-
£4,161 GBP
View
Retailer 20
-
£4,176 GBP
View
Price last confirmed 13 days ago
B+
Retailer 21
-
£4,252 GBP
View
B+
Retailer 22
-
£4,649 GBP
View
B
Retailer 23
-
£6,008 GBP
View
Retailer 24
-
£6,327 GBP
View
Price last confirmed 38 days ago
Most Expensive
B
Diamond Quarter
1.05IFH14483EF2N · Nov 5
£7,439 GBP
View
24 more retailers have this diamond
Prices start from £2,988 GBPSave up to £4,451 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
1.05ct Round
£2,988 GBP