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Cushion|Lab Grown|GCAL

1.09ct G SI1 Cushion Lab Grown Diamond

VG • G/SI1 • GCAL 331000185

Shape and cutting style on the report: Cushion modified brilliant

Certificate GCAL 331000185

Diamond specifications and retailer prices

From £131 GBP
As of November 6, 2026
Save £616 GBP (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £748 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL 331000185. Listed at 9 retailers as of November 5, 2026, with prices from £131 to £748, a £616 spread on the same certified stone. MOH London lists it at £748. 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

1.09
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle30°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 331000185
Dimensions7.40 × 5.51 × 3.33 mm
L/W Ratio1.34
Culet sizeNone
Top View
7.40 mm5.51 mm1.09 ctG / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 331000185
Side View
Table 60.0%Crown 32°Girdle: THN-VTKPavilion 30°Culet: NoneDepth 60.4%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £748 GBP|Low: £123 GBP|High: £753 GBP|Avg: £381 GBP|+7.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7£131 GBP
Retailer 5£191 GBP
Retailer 8£217 GBP
Retailer 3£248 GBP
Retailer 2£369 GBP
Retailer 4£433 GBP
Retailer 6£512 GBP
Retailer 9£644 GBP
MOH London£748 GBP

42 data points across 9 retailers

9 retailers£131 GBP to £748 GBP

A
Cheapest Retailer
-
£131 GBP
Final sale: no returns
A
Retailer 2
-
£191 GBP
View
B+
Retailer 3
-
£217 GBP
View
B+
Retailer 4
-
£248 GBP
View
B+
Retailer 5
-
£369 GBP
View
B
Retailer 6
-
£433 GBP
View
B
Retailer 7
-
£512 GBP
View
B
Retailer 8
-
£644 GBP
View
Most Expensive
B
MOH London
331000185 · Nov 5
£748 GBP
View
8 more retailers have this diamond
Prices start from £131 GBPSave up to £616 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
1.09ct Cushion
£131 GBP