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Cushion|Lab Grown|GCAL

1.09ct H VS1 Cushion Lab Grown Diamond

VG • H/VS1 • GCAL 313080906

Shape and cutting style on the report: Cushion modified brilliant

Certificate GCAL 313080906

Diamond specifications and retailer prices

From £136 GBP
As of November 4, 2026
Save £642 GBP (82%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £778 GBP at MOH London · As of November 2, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GCAL 313080906. Listed at 8 retailers as of November 2, 2026, with prices from £136 to £778, a £642 spread on the same certified stone. MOH London lists it at £778. 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
H
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle30.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 313080906
Dimensions7.31 × 5.42 × 3.40 mm
L/W Ratio1.35
Culet sizeNone
Top View
7.31 mm5.42 mm1.09 ctH / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGCAL 313080906
Side View
Table 65.0%Crown 33.5°Girdle: Slightly ThickPavilion 30.8°Culet: NoneDepth 62.9%

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 4
Current: £778 GBP|Low: £127 GBP|High: £782 GBP|Avg: £416 GBP|+6.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6£136 GBP
Retailer 4£215 GBP
Retailer 7£224 GBP
Retailer 2£387 GBP
Retailer 3£453 GBP
Retailer 5£536 GBP
Retailer 8£663 GBP
MOH London£778 GBP

26 data points across 8 retailers

8 retailers£136 GBP to £778 GBP

A
Cheapest Retailer
-
£136 GBP
Final sale: no returns
A
Retailer 2
-
£215 GBP
View
B+
Retailer 3
-
£224 GBP
View
B+
Retailer 4
-
£387 GBP
View
B+
Retailer 5
-
£453 GBP
View
B
Retailer 6
-
£536 GBP
View
B
Retailer 7
-
£663 GBP
View
Most Expensive
B
MOH London
313080906 · Nov 2
£778 GBP
View
7 more retailers have this diamond
Prices start from £136 GBPSave up to £642 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
£136 GBP