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Round|Natural|GIA

1.25ct H IF Round Natural Diamond

EX • H/IF • GIA 5231869748

Certificate GIA 5231869748

Diamond specifications and retailer prices

From £5,039 GBP
As of November 6, 2026
Save £2,387 GBP (32%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £7,426 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5231869748. Listed at 4 retailers as of November 4, 2026, with prices from £5,039 to £7,426, a £2,387 spread on the same certified stone. MOH London lists it at £7,426. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5231869748
Dimensions6.88 × 6.84 × 4.30 mm
L/W Ratio1.01
Top View
6.88 mm6.84 mm1.25 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231869748
Side View
Table 56.0%Crown 35°Girdle: ThinPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £7,426 GBP|Low: £5,014 GBP|High: £7,535 GBP|Avg: £5,825 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2£5,039 GBP
Retailer 4£5,185 GBP
Retailer 3£5,467 GBP
MOH London£7,426 GBP

42 data points across 4 retailers

4 retailers£5,039 GBP to £7,426 GBP

B+
Cheapest Retailer
-
£5,039 GBP
Retailer 2
-
£5,185 GBP
View
Price last confirmed 15 days ago
B+
Retailer 3
-
£5,467 GBP
View
Most Expensive
B
MOH London
4C05DEABE · Nov 4
£7,426 GBP
View
3 more retailers have this diamond
Prices start from £5,039 GBPSave up to £2,387 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+
1.25ct Round
£5,039 GBP