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Cushion|Natural|GIA

0.77ct F SI1 Cushion Natural Diamond

F/SI1 • GIA 3555625953

Certificate GIA 3555625953

Diamond specifications and retailer prices

From £598 GBP
As of November 6, 2026
Save £583 GBP (49%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,180 GBP at MOH London · As of November 7, 2026
View at MOH London

About this 0.77ct natural cushion diamond

This 0.77ct natural cushion sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 3555625953. Listed at 3 retailers as of November 6, 2026, with prices from £598 to £1,180, a £583 spread on the same certified stone. MOH London lists it at £1,180. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.77
Carat
F
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555625953
Dimensions5.95 × 4.78 × 3.18 mm
L/W Ratio1.24
Key to symbols
Crystal, Cloud
Top View
5.95 mm4.78 mm0.77 ctF / SI1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555625953
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,180 GBP|Low: £520 GBP|High: £1,365 GBP|Avg: £925 GBP|-12.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 3£598 GBP
Retailer 2£870 GBP
Retailer 4£926 GBP
MOH London£1,180 GBP

28 data points across 4 retailers

3 retailers£598 GBP to £1,180 GBP

A
Cheapest Retailer
-
£598 GBP
Final sale: no returns
B+
Retailer 2
-
£870 GBP
View
Most Expensive
B+
MOH London
DBADF6AC8 · Nov 7
£1,180 GBP
View
2 more retailers have this diamond
Prices start from £598 GBPSave up to £583 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
0.77ct Cushion
£598 GBP