CaratHunter
Plans
Cushion|Natural|GIA

0.80ct G SI1 Cushion Natural Diamond

G/SI1 • GIA 6551983153

Certificate GIA 6551983153

Diamond specifications and retailer prices

From £608 GBP
$815 USD
As of October 31, 2026
Save £606 GBP (50%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,214 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.8ct natural cushion diamond

This 0.8ct natural cushion sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included) and certified by GIA 6551983153. Listed at 4 retailers as of October 29, 2026, with prices from £608 to £1,214, a £606 spread on the same certified stone. MOH London lists it at £1,214. 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

0.80
Carat
G
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551983153
Dimensions5.28 × 5.18 × 3.63 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.28 mm5.18 mm0.80 ctG / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551983153
Side View
Table 62.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 70.0%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £1,214 GBP|Low: £508 GBP|High: £1,336 GBP|Avg: £909 GBP|-8.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 4£608 GBP
Retailer 2£831 GBP
Retailer 3£929 GBP
MOH London£1,214 GBP

39 data points across 4 retailers

4 retailers£608 GBP to £1,214 GBP

B+
Cheapest Retailer
-
£608 GBP
$815 USD
Final sale: no returns
B+
Retailer 2
-
£831 GBP
View
B+
Retailer 3
-
£929 GBP
€1,186 EUR
View
Most Expensive
B+
MOH London
96D5ECD07 · Oct 29
£1,214 GBP
View
3 more retailers have this diamond
Prices start from £608 GBPSave up to £606 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+
0.80ct Cushion
£608 GBP