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Cushion|Lab Grown|IGI

1.80ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846664593

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846664593

Diamond specifications and retailer prices

From $872 SGD
£537 GBP
As of October 30, 2026
Save $7,694 SGD (90%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $8,565 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846664593 or 846664593. Listed at 4 retailers as of October 30, 2026, with prices from $872 to $8,565, a $7,694 spread on the same certified stone. Brilliant Earth lists it at $8,565. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846664593
Dimensions8.77 × 6.37 × 4.11 mm
L/W Ratio1.38
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
8.77 mm6.37 mm1.80 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846664593
Side View
Table 61.0%Crown 31.1°Girdle: MED-THKPavilion 34.9°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $8,565 SGD|Low: $872 SGD|High: $8,565 SGD|Avg: $4,392 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 4$872 SGD
Retailer 3$2,865 SGD
Retailer 2$6,143 SGD
Brilliant Earth$8,565 SGD

2 data points across 4 retailers

4 retailers$872 SGD to $8,565 SGD

A
Cheapest Retailer
-
$872 SGD
£537 GBP
B+
Retailer 2
-
$2,865 SGD
$2,241 USD
View
B
Retailer 3
-
$6,143 SGD
$4,805 USD
View
Most Expensive
B
Brilliant Earth
22370008A · Oct 30
$8,565 SGD
$6,700 USD
View
3 more retailers have this diamond
Prices start from $872 SGDSave up to $7,694 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
$872 SGD