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Cushion|Lab Grown|IGI

1.18ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG836674520

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG836674520

Diamond specifications and retailer prices

From $658 SGD
$515 USD
As of October 30, 2026
Save $3,842 SGD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,500 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.18ct lab-grown cushion diamond

This 1.18ct 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 LG836674520 or 836674520. Listed at 19 retailers as of October 30, 2026, with prices from $658 to $4,500, a $3,842 spread on the same certified stone. Do Amore Diamonds lists it at $4,500. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836674520
Dimensions6.64 × 6.50 × 3.99 mm
L/W Ratio1.02
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
6.64 mm6.50 mm1.18 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836674520
Side View
Table 55.0%Crown 36.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,500 SGD|Low: $658 SGD|High: $4,500 SGD|Avg: $1,694 SGD
Do Amore Diamonds
Retailer 2
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Retailer 21
October 31, 2026
Retailer 19$658 SGD
Retailer 8$793 SGD
Retailer 3$808 SGD
Retailer 15$830 SGD
Retailer 2$863 SGD
Retailer 14$1,001 SGD
Retailer 6$1,076 SGD
Retailer 18$1,180 SGD
Retailer 21$1,234 SGD
Retailer 17$1,339 SGD
Retailer 4$1,382 SGD
Retailer 9$1,785 SGD
Retailer 10$2,107 SGD
Retailer 16$2,250 SGD
Retailer 12$2,494 SGD
Retailer 7$2,569 SGD
Retailer 13$2,766 SGD
Retailer 5$3,121 SGD
Retailer 20$3,374 SGD
Retailer 11$3,503 SGD
Do Amore Diamonds$4,500 SGD

14 data points across 21 retailers

19 retailers$658 SGD to $4,500 SGD

A
Cheapest Retailer
-
$658 SGD
$515 USD
Final sale: no returns
A
Retailer 2
-
$793 SGD
$620 USD
View
A
Retailer 3
-
$808 SGD
$632 USD
View
A
Retailer 4
-
$830 SGD
£511 GBP
View
A
Retailer 5
-
$863 SGD
$675 USD
View
Retailer 6
-
$1,001 SGD
$783 USD
View
Price last confirmed 28 days ago
A
Retailer 7
-
$1,076 SGD
$842 USD
View
A
Retailer 8
-
$1,110 SGD
$868 USD
View
B+
Retailer 9
-
$1,180 SGD
€879 EUR
View
B+
Retailer 10
-
$1,339 SGD
£825 GBP
View
B+
Retailer 11
-
$1,382 SGD
ZAR 17,459 ZAR
View
B+
Retailer 12
-
$1,785 SGD
$1,397 USD
View
B
Retailer 13
-
$2,107 SGD
$1,648 USD
View
B
Retailer 14
-
$2,250 SGD
CA$2,444 CAD
View
B
Retailer 15
-
$2,569 SGD
$2,010 USD
View
B
Retailer 16
-
$2,766 SGD
$2,164 USD
View
B
Retailer 17
-
$3,121 SGD
$2,441 USD
View
B
Retailer 18
-
$3,374 SGD
£2,078 GBP
View
Most Expensive
B
Do Amore Diamonds
20-E101602 · Oct 31
$4,500 SGD
$3,520 USD
View
18 more retailers have this diamond
Prices start from $658 SGDSave up to $3,842 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
1.18ct Cushion
$658 SGD