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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 $1,110 USD
As of November 4, 2026
Save $2,582 USD (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,692 USD at MOH London · As of November 3, 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 3, 2026, with prices from $1,110 to $3,692, a $2,582 spread on the same certified stone. MOH London lists it at $3,692. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,692 USD|Low: $985 USD|High: $3,740 USD|Avg: $1,981 USD|-0.3%
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 4, 2026
Retailer 9$985 USD
Retailer 2$1,110 USD
Retailer 6$1,160 USD
Retailer 11$1,274 USD
Retailer 5$1,498 USD
Retailer 12$1,584 USD
Retailer 7$1,634 USD
Retailer 8$1,790 USD
Retailer 10$2,100 USD
Retailer 3$2,727 USD
Retailer 4$3,413 USD
MOH London$3,692 USD

40 data points across 12 retailers

12 retailers$1,110 USD to $3,692 USD

Retailer 1
-
$985 USD
Price last confirmed 19 days ago
B+
Retailer 2
-
$1,110 USD
View
B+
Retailer 3
-
$1,160 USD
View
Retailer 4
-
$1,272 USD
View
Price last confirmed 108 days ago
Retailer 5
-
$1,274 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$1,498 USD
View
B
Retailer 7
-
$1,584 USD
View
Retailer 8
-
$1,790 USD
View
Price last confirmed 17 days ago
Retailer 9
-
$2,100 USD
View
Price last confirmed 15 days ago
Retailer 10
-
$2,727 USD
View
Price last confirmed 15 days ago
B
Retailer 11
-
$3,413 USD
View
Most Expensive
B
MOH London
LG783640238 · Nov 3
$3,692 USD
£2,907 GBP
View
11 more retailers have this diamond
Prices start from $1,110 USDSave up to $2,582 USD

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
$1,110 USD