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Cushion|Lab Grown|IGI

1.80ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG744513208

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG744513208

Diamond specifications and retailer prices

From $632 SGD
$494 USD
As of October 30, 2026
Save $4,086 SGD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,717 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.8ct lab-grown cushion diamond

This 1.8ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744513208 or 744513208. Listed at 13 retailers as of October 30, 2026, with prices from $632 to $4,717, a $4,086 spread on the same certified stone. Brilliant Earth lists it at $4,717. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513208
Dimensions8.20 × 8.20 × 6.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
8.20 mm8.20 mm1.80 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513208
Side View
Table 62.0%Crown 33.9°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 68.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $4,717 SGD|Low: $451 SGD|High: $5,625 SGD|Avg: $2,325 SGD|-16.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 5$632 SGD
Retailer 9$826 SGD
Retailer 13$882 SGD
Retailer 8$977 SGD
Retailer 6$1,110 SGD
Retailer 3$1,437 SGD
Retailer 2$1,577 SGD
Retailer 11$1,823 SGD
Retailer 7$2,502 SGD
Retailer 4$3,985 SGD
Retailer 12$4,174 SGD
Retailer 10$4,398 SGD
Brilliant Earth$4,717 SGD

32 data points across 13 retailers

13 retailers$632 SGD to $4,717 SGD

A
Cheapest Retailer
-
$632 SGD
$494 USD
Final sale: no returns
A
Retailer 2
-
$826 SGD
$646 USD
View
A
Retailer 3
-
$882 SGD
$690 USD
View
A
Retailer 4
-
$977 SGD
$764 USD
View
A
Retailer 5
-
$1,110 SGD
€827 EUR
View
A
Retailer 6
-
$1,437 SGD
$1,124 USD
View
A
Retailer 7
-
$1,577 SGD
A$1,898 AUD
View
A
Retailer 8
-
$1,823 SGD
$1,426 USD
View
B+
Retailer 9
-
$2,502 SGD
£1,541 GBP
View
Retailer 10
-
$3,985 SGD
A$4,796 AUD
View
Price last confirmed 22 days ago
Retailer 11
-
$4,174 SGD
$3,265 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$4,398 SGD
$3,440 USD
View
Most Expensive
B
Brilliant Earth
16861116Y · Oct 30
$4,717 SGD
$3,690 USD
View
12 more retailers have this diamond
Prices start from $632 SGDSave up to $4,086 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
1.80ct Cushion
$632 SGD