Round|Natural|GIA

1.05ct H IF Round Natural Diamond

EX • H/IF • GIA 5203445114

Certificate GIA 5203445114

Diamond specifications and retailer prices

From £4,536 GBP
As of November 4, 2026
Save £3,241 GBP (42%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £7,777 GBP at MOH London · As of November 2, 2026
View at MOH London

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 5203445114. Listed at 9 retailers as of November 2, 2026, with prices from £4,536 to £7,777, a £3,241 spread on the same certified stone. MOH London lists it at £7,777. 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
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5203445114
Dimensions6.53 × 6.51 × 4.05 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.53 mm6.51 mm1.05 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5203445114
Side View
Table 57.0%Crown 34.5°Girdle: ThickPavilion 41.2°Culet: NoneDepth 62.0%

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: £7,777 GBP|Low: £4,536 GBP|High: £7,871 GBP|Avg: £5,576 GBP|+2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4£4,536 GBP
Retailer 9£4,604 GBP
Retailer 8£4,709 GBP
Retailer 7£4,873 GBP
Retailer 6£5,123 GBP
Retailer 3£5,461 GBP
Retailer 2£5,722 GBP
Retailer 5£6,485 GBP
MOH London£7,777 GBP

41 data points across 9 retailers

9 retailers£4,536 GBP to £7,777 GBP

B+
Cheapest Retailer
-
£4,536 GBP
B+
Retailer 2
-
£4,604 GBP
View
B+
Retailer 3
-
£4,709 GBP
View
Retailer 4
-
£4,873 GBP
View
Price last confirmed 7 days ago
Retailer 5
-
£5,123 GBP
View
Price last confirmed 14 days ago
B
Retailer 6
-
£5,461 GBP
View
B
Retailer 7
-
£5,722 GBP
View
B
Retailer 8
-
£6,485 GBP
View
Most Expensive
B
MOH London
A87E12A17 · Nov 2
£7,777 GBP
View
8 more retailers have this diamond
Prices start from £4,536 GBPSave up to £3,241 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
£4,536 GBP