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Cushion|Lab Grown|IGI

1.09ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663309

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846663309

Diamond specifications and retailer prices

From $567 SGD
£349 GBP
As of October 30, 2026
Save $2,450 SGD (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,017 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.09ct lab-grown cushion diamond

This 1.09ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663309 or 846663309. Listed at 8 retailers as of October 30, 2026, with prices from $567 to $3,017, a $2,450 spread on the same certified stone. Brilliant Earth lists it at $3,017. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663309
Dimensions7.98 × 5.20 × 3.48 mm
L/W Ratio1.53
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.98 mm5.20 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663309
Side View
Table 63.0%Crown 33.7°Girdle: STK-THKPavilion 35.3°Culet: NoneDepth 66.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,017 SGD|Low: $567 SGD|High: $3,631 SGD|Avg: $1,457 SGD|-16.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5$567 SGD
Retailer 6$799 SGD
Retailer 4$883 SGD
Retailer 3$900 SGD
Retailer 8$1,105 SGD
Retailer 2$2,200 SGD
Retailer 7$2,388 SGD
Brilliant Earth$3,017 SGD

6 data points across 8 retailers

8 retailers$567 SGD to $3,017 SGD

A
Cheapest Retailer
-
$567 SGD
£349 GBP
A
Retailer 2
-
$799 SGD
$625 USD
View
A
Retailer 3
-
$883 SGD
$691 USD
View
A
Retailer 4
-
$900 SGD
$704 USD
View
A
Retailer 5
-
$1,105 SGD
€823 EUR
View
B+
Retailer 6
-
$2,200 SGD
$1,721 USD
View
B
Retailer 7
-
$2,388 SGD
£1,471 GBP
View
Most Expensive
B
Brilliant Earth
22315344A · Oct 30
$3,017 SGD
$2,360 USD
View
7 more retailers have this diamond
Prices start from $567 SGDSave up to $2,450 SGD

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
$567 SGD