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Cushion|Natural|GIA

1.30ct F SI2 Cushion Natural Diamond

EX • F/SI2 • GIA 2556063892

Certificate GIA 2556063892

Diamond specifications and retailer prices

From £3,207 GBP
As of November 6, 2026
Save £2,417 GBP (43%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,624 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.3ct natural cushion diamond

This 1.3ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556063892. Listed at 4 retailers as of November 2, 2026, with prices from £3,207 to £5,624, a £2,417 spread on the same certified stone. MOH London lists it at £5,624. 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

1.30
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556063892
Dimensions7.26 × 5.95 × 4.10 mm
L/W Ratio1.22
Culet sizeNone
Top View
7.26 mm5.95 mm1.30 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556063892
Side View
Table 69.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

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

Last verified: Nov 6
Current: £5,624 GBP|Low: £3,207 GBP|High: £5,691 GBP|Avg: £4,020 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 4£3,207 GBP
Retailer 2£3,365 GBP
Retailer 3£4,093 GBP
MOH London£5,624 GBP

42 data points across 4 retailers

4 retailers£3,207 GBP to £5,624 GBP

B+
Cheapest Retailer
-
£3,207 GBP
B+
Retailer 2
-
£3,365 GBP
View
B
Retailer 3
-
£4,093 GBP
View
Most Expensive
B
MOH London
C55F1DAF5 · Nov 2
£5,624 GBP
View
3 more retailers have this diamond
Prices start from £3,207 GBPSave up to £2,417 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+
1.30ct Cushion
£3,207 GBP