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Cushion|Lab Grown|IGI

1.09ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG801694817

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801694817

Diamond specifications and retailer prices

From $678 SGD
$530 USD
As of October 30, 2026
Save $2,812 SGD (81%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,490 SGD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG801694817 or 801694817. Listed at 7 retailers as of October 30, 2026, with prices from $678 to $3,490, a $2,812 spread on the same certified stone. Do Amore Diamonds lists it at $3,490. 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 angle34.2°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694817
Dimensions6.75 × 5.49 × 3.82 mm
L/W Ratio1.23
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
6.75 mm5.49 mm1.09 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694817
Side View
Table 59.0%Crown 34.2°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 69.6%

Caratlytics Score

How it works →
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: $3,490 SGD|Low: $660 SGD|High: $3,733 SGD|Avg: $1,909 SGD|-6.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3$678 SGD
Retailer 7$678 SGD
Retailer 6$795 SGD
Retailer 2$910 SGD
Retailer 4$2,084 SGD
Retailer 5$2,166 SGD
Retailer 8$2,559 SGD
Do Amore Diamonds$3,490 SGD

23 data points across 8 retailers

7 retailers$678 SGD to $3,490 SGD

A
Cheapest Retailer
-
$678 SGD
$530 USD
A
Retailer 2
-
$678 SGD
$530 USD
View
A
Retailer 3
-
$795 SGD
$622 USD
View
A
Retailer 4
-
$910 SGD
€678 EUR
View
B+
Retailer 5
-
$2,084 SGD
$1,630 USD
View
B+
Retailer 6
-
$2,166 SGD
£1,334 GBP
View
Most Expensive
B
Do Amore Diamonds
27-55A00E098 · Oct 30
$3,490 SGD
$2,730 USD
View
6 more retailers have this diamond
Prices start from $678 SGDSave up to $2,812 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
$678 SGD