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Cushion|Natural|GIA

1.25ct G SI2 Cushion Natural Diamond

EX • G/SI2 • GIA 6445722826

Certificate GIA 6445722826

Diamond specifications and retailer prices

From £2,765 GBP
As of November 6, 2026
Save £2,744 GBP (50%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £5,509 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.25ct natural cushion diamond

This 1.25ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6445722826. Listed at 8 retailers as of November 4, 2026, with prices from £2,765 to £5,509, a £2,744 spread on the same certified stone. MOH London lists it at £5,509. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.25
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6445722826
Dimensions6.34 × 5.84 × 4.10 mm
L/W Ratio1.09
Top View
6.34 mm5.84 mm1.25 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6445722826
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.2%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £5,509 GBP|Low: £2,765 GBP|High: £5,591 GBP|Avg: £3,510 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7£2,765 GBP
Retailer 4£2,794 GBP
Retailer 9£2,818 GBP
Retailer 6£2,977 GBP
Retailer 5£3,142 GBP
Retailer 3£3,394 GBP
Retailer 8£3,830 GBP
Retailer 2£3,902 GBP
MOH London£5,509 GBP

45 data points across 9 retailers

8 retailers£2,765 GBP to £5,509 GBP

B+
Cheapest Retailer
-
£2,765 GBP
B+
Retailer 2
-
£2,794 GBP
View
B+
Retailer 3
-
£2,977 GBP
View
Retailer 4
-
£3,142 GBP
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£3,394 GBP
View
Retailer 6
-
£3,830 GBP
View
Price last confirmed 15 days ago
B
Retailer 7
-
£3,902 GBP
View
Most Expensive
B
MOH London
BABD95758 · Nov 4
£5,509 GBP
View
7 more retailers have this diamond
Prices start from £2,765 GBPSave up to £2,744 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 Cushion
£2,765 GBP