CaratHunter
Plans
Round|Natural|GIA

1.05ct H IF Round Natural Diamond

EX • H/IF • GIA 2556704378

Certificate GIA 2556704378

Diamond specifications and retailer prices

From £3,302 GBP
As of November 4, 2026
Save £2,380 GBP (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,232 GBP at NZ Jewellers · As of September 14, 2026
View at NZ Jewellers

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 2556704378. Listed at 16 retailers as of November 4, 2026, with a 72% 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

1.05
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556704378
Dimensions6.52 × 6.48 × 4.06 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Top View
6.52 mm6.48 mm1.05 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556704378
Side View
Table 57.0%Crown 36°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,968 GBP|Low: £3,027 GBP|High: £5,766 GBP|Avg: £3,944 GBP|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7£3,302 GBP
Retailer 2£3,414 GBP
Retailer 4£3,499 GBP
Retailer 9£3,577 GBP
Retailer 8£3,625 GBP
Retailer 3£3,638 GBP
Retailer 1£3,968 GBP
Retailer 10£4,156 GBP
Retailer 6£4,397 GBP
Retailer 5£5,682 GBP

35 data points across 10 retailers

16 retailers£3,302 GBP to £5,682 GBP

B+
Cheapest Retailer
-
£3,302 GBP
Final sale: no returns
B+
Retailer 2
-
£3,414 GBP
View
B+
Retailer 3
-
£3,499 GBP
View
Retailer 4
-
£3,577 GBP
View
Price last confirmed 50 days ago
Retailer 5
-
£3,577 GBP
View
Price last confirmed 35 days ago
Retailer 6
-
£3,577 GBP
View
Price last confirmed 37 days ago
Retailer 7
-
£3,625 GBP
View
Price last confirmed 32 days ago
B+
Retailer 8
-
£3,638 GBP
View
B+
Retailer 9
-
£3,968 GBP
View
Retailer 10
-
£4,128 GBP
View
Price last confirmed 52 days ago
Retailer 11
-
£4,128 GBP
View
Price last confirmed 37 days ago
B+
Retailer 12
-
£4,156 GBP
View
B+
Retailer 13
-
£4,397 GBP
View
B
Retailer 14
-
£5,682 GBP
View
Retailer 15
-
£6,232 GBP
View
Price last confirmed 38 days ago
Most Expensive
NZ Jewellers
be3f90e6-48a6-4a5f-997e-21a9a6bde51e · Sep 14
£6,232 GBP
$8,388 USD
View
Price last confirmed 52 days ago
15 more retailers have this diamond
Prices start from £3,302 GBPSave up to £2,380 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.

B+
1.05ct Round
£3,302 GBP