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Cushion|Lab Grown|IGI

1.09ct F FL Cushion Lab Grown Diamond

EX • F/FL • IGI LG783640238

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG783640238

Diamond specifications and retailer prices

From $1,611 AUD
As of November 6, 2026
Save $3,747 AUD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,358 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG783640238 or 783640238. Listed at 12 retailers as of November 5, 2026, with prices from $1,611 to $5,358, a $3,747 spread on the same certified stone. MOH London lists it at $5,358. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
F
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.7°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783640238
Dimensions7.94 × 5.17 × 3.33 mm
L/W Ratio1.54
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm5.17 mm1.09 ctF / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783640238
Side View
Table 59.0%Crown 29.7°Girdle: MED-STKPavilion 37.2°Culet: NoneDepth 64.4%

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: Nov 6
Current: $5,358 AUD|Low: $1,434 AUD|High: $5,443 AUD|Avg: $2,903 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9$1,434 AUD
Retailer 2$1,611 AUD
Retailer 6$1,688 AUD
Retailer 11$1,854 AUD
Retailer 5$2,174 AUD
Retailer 12$2,305 AUD
Retailer 7$2,378 AUD
Retailer 8$2,605 AUD
Retailer 10$3,056 AUD
Retailer 3$3,969 AUD
Retailer 4$4,967 AUD
MOH London$5,358 AUD

39 data points across 12 retailers

12 retailers$1,611 AUD to $5,358 AUD

Retailer 1
-
$1,434 AUD
Price last confirmed 21 days ago
B+
Retailer 2
-
$1,611 AUD
View
B+
Retailer 3
-
$1,688 AUD
View
Retailer 4
-
$1,851 AUD
View
Price last confirmed 110 days ago
Retailer 5
-
$1,854 AUD
View
Price last confirmed 15 days ago
B+
Retailer 6
-
$2,174 AUD
View
B
Retailer 7
-
$2,305 AUD
View
Retailer 8
-
$2,605 AUD
View
Price last confirmed 19 days ago
Retailer 9
-
$3,056 AUD
View
Price last confirmed 17 days ago
Retailer 10
-
$3,969 AUD
View
Price last confirmed 17 days ago
B
Retailer 11
-
$4,967 AUD
View
Most Expensive
B
MOH London
LG783640238 · Nov 5
$5,358 AUD
£2,899 GBP
View
11 more retailers have this diamond
Prices start from $1,611 AUDSave up to $3,747 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.

B+
1.09ct Cushion
$1,611 AUD