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Cushion|Lab Grown|IGI

1.86ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG744513209

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG744513209

Diamond specifications and retailer prices

From $653 SGD
$511 USD
As of October 30, 2026
Save $4,154 SGD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,807 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.86ct lab-grown cushion diamond

This 1.86ct 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 LG744513209 or 744513209. Listed at 13 retailers as of October 30, 2026, with prices from $653 to $4,807, a $4,154 spread on the same certified stone. Brilliant Earth lists it at $4,807. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513209
Dimensions8.21 × 8.21 × 6.39 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
8.21 mm8.21 mm1.86 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513209
Side View
Table 62.0%Crown 33.6°Girdle: STK-THKPavilion 41°Culet: NoneDepth 72.0%

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: $4,807 SGD|Low: $467 SGD|High: $7,082 SGD|Avg: $2,483 SGD|-32.1%
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 31, 2026
Retailer 5$653 SGD
Retailer 8$846 SGD
Retailer 3$914 SGD
Retailer 10$1,002 SGD
Retailer 2$1,091 SGD
Retailer 4$1,529 SGD
Retailer 7$1,626 SGD
Retailer 12$1,870 SGD
Retailer 11$2,568 SGD
Retailer 6$4,068 SGD
Retailer 13$4,187 SGD
Retailer 9$4,526 SGD
Brilliant Earth$4,807 SGD

28 data points across 13 retailers

13 retailers$653 SGD to $4,807 SGD

A
Cheapest Retailer
-
$653 SGD
$511 USD
Final sale: no returns
A
Retailer 2
-
$846 SGD
$662 USD
View
A
Retailer 3
-
$914 SGD
$715 USD
View
A
Retailer 4
-
$1,002 SGD
$784 USD
View
A
Retailer 5
-
$1,091 SGD
€813 EUR
View
A
Retailer 6
-
$1,529 SGD
$1,196 USD
View
A
Retailer 7
-
$1,626 SGD
A$1,957 AUD
View
A
Retailer 8
-
$1,870 SGD
$1,463 USD
View
B+
Retailer 9
-
$2,568 SGD
£1,582 GBP
View
B+
Retailer 10
-
$4,068 SGD
A$4,895 AUD
View
Retailer 11
-
$4,187 SGD
$3,275 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$4,526 SGD
$3,540 USD
View
Most Expensive
B
Brilliant Earth
16861062Y · Oct 30
$4,807 SGD
$3,760 USD
View
12 more retailers have this diamond
Prices start from $653 SGDSave up to $4,154 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
1.86ct Cushion
$653 SGD