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Cushion|Lab Grown|GCAL

1.09ct F SI1 Cushion Lab Grown Diamond

VG • F/SI1 • GCAL 331000151

Shape and cutting style on the report: Cushion modified brilliant

Certificate GCAL 331000151

Diamond specifications and retailer prices

From $389 AUD
As of November 6, 2026
Save $1,107 AUD (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,495 AUD 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 F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GCAL 331000151. Listed at 8 retailers as of November 5, 2026, with prices from $389 to $1,495, a $1,107 spread on the same certified stone. MOH London lists it at $1,495. 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
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33°
Pavilion angle33.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 331000151
Dimensions7.33 × 5.43 × 3.49 mm
L/W Ratio1.35
Culet sizeNone
Top View
7.33 mm5.43 mm1.09 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGCAL 331000151
Side View
Table 60.0%Crown 33°Girdle: THN-VTKPavilion 33.2°Culet: NoneDepth 64.2%

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: $1,495 AUD|Low: $370 AUD|High: $1,508 AUD|Avg: $822 AUD|+6.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$389 AUD
Retailer 7$434 AUD
Retailer 3$501 AUD
Retailer 2$742 AUD
Retailer 4$872 AUD
Retailer 6$1,030 AUD
Retailer 8$1,284 AUD
MOH London$1,495 AUD

42 data points across 8 retailers

8 retailers$389 AUD to $1,495 AUD

A
Cheapest Retailer
-
$389 AUD
B+
Retailer 2
-
$434 AUD
View
A
Retailer 3
-
$501 AUD
View
B+
Retailer 4
-
$742 AUD
View
B
Retailer 5
-
$872 AUD
View
B
Retailer 6
-
$1,030 AUD
View
B
Retailer 7
-
$1,284 AUD
View
Most Expensive
B
MOH London
331000151 · Nov 5
$1,495 AUD
£809 GBP
View
7 more retailers have this diamond
Prices start from $389 AUDSave up to $1,107 AUD

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
$389 AUD