Round|Natural|GIA

1.20ct H IF Round Natural Diamond

EX • H/IF • GIA 2566123886

Certificate GIA 2566123886

Diamond specifications and retailer prices

From £2,535 GBP
As of November 6, 2026
Save £7,207 GBP (74%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £10,429 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural round diamond

This 1.2ct 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 2566123886. Listed at 15 retailers as of November 6, 2026, with a 284% 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

1.20
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2566123886
Dimensions6.72 × 6.78 × 4.25 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.72 mm6.78 mm1.20 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2566123886
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.9%

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 6
Current: £10,429 GBP|Low: £2,535 GBP|High: £10,429 GBP|Avg: £4,957 GBP
MOH London
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
November 6, 2026
Retailer 9£2,535 GBP
Retailer 13£2,876 GBP
Retailer 7£3,588 GBP
Retailer 11£3,600 GBP
Retailer 12£3,842 GBP
Retailer 8£4,294 GBP
Retailer 3£7,153 GBP
Retailer 4£7,292 GBP
Retailer 14£7,371 GBP
Retailer 6£7,985 GBP
Retailer 5£8,004 GBP
Retailer 15£8,108 GBP
Retailer 2£9,027 GBP
Retailer 16£9,213 GBP
Retailer 10£9,742 GBP
MOH London£10,429 GBP

31 data points across 16 retailers

15 retailers£2,535 GBP to £9,742 GBP

A
Cheapest Retailer
-
£2,535 GBP
A
Retailer 2
-
£2,876 GBP
View
B+
Retailer 3
-
£3,588 GBP
View
A
Retailer 4
-
£3,600 GBP
View
B+
Retailer 5
-
£3,842 GBP
View
B
Retailer 6
-
£7,153 GBP
View
B
Retailer 7
-
£7,292 GBP
View
B
Retailer 8
-
£7,371 GBP
View
Final sale: no returns
B
Retailer 9
-
£7,985 GBP
View
B
Retailer 10
-
£8,004 GBP
View
B
Retailer 11
-
£8,108 GBP
View
B
Retailer 12
-
£9,027 GBP
View
B
Retailer 13
-
£9,213 GBP
View
B
Retailer 14
-
£9,742 GBP
View
Most Expensive
MOH London
B6831D085 · Nov 2
£10,429 GBP
View
Price under review
14 more retailers have this diamond
Prices start from £2,535 GBPSave up to £7,207 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
1.20ct Round
£2,535 GBP