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Cushion|Natural|GIA

0.78ct K VS1 Cushion Natural Diamond

K/VS1 • GIA 6551872979

Certificate GIA 6551872979

Diamond specifications and retailer prices

From £499 GBP
As of November 6, 2026
Save £491 GBP (50%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £990 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 0.78ct natural cushion diamond

This 0.78ct natural cushion sits in the just-under-one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included) and certified by GIA 6551872979. Listed at 3 retailers as of November 2, 2026, with prices from £499 to £990, a £491 spread on the same certified stone. MOH London lists it at £990. 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

0.78
Carat
K
Colour
VS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551872979
Dimensions5.91 × 4.66 × 3.25 mm
L/W Ratio1.27
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.91 mm4.66 mm0.78 ctK / VS1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551872979
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.8%

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: £990 GBP|Low: £449 GBP|High: £1,139 GBP|Avg: £772 GBP|-12.1%
MOH London
Retailer 2
Retailer 3
November 3, 2026
Retailer 3£499 GBP
Retailer 2£725 GBP
MOH London£990 GBP

23 data points across 3 retailers

3 retailers£499 GBP to £990 GBP

B+
Cheapest Retailer
-
£499 GBP
Final sale: no returns
B+
Retailer 2
-
£725 GBP
View
Most Expensive
B
MOH London
31F1896D0 · Nov 2
£990 GBP
View
2 more retailers have this diamond
Prices start from £499 GBPSave up to £491 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+
0.78ct Cushion
£499 GBP