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Cushion|Lab Grown|IGI

1.60ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG846664490

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG846664490

Diamond specifications and retailer prices

From $784 AUD
£434 GBP
As of October 30, 2026
Save $5,010 AUD (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,794 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.6ct lab-grown cushion diamond

This 1.6ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846664490 or 846664490. Listed at 8 retailers as of October 30, 2026, with prices from $784 to $5,794, a $5,010 spread on the same certified stone. Brilliant Earth lists it at $5,794. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846664490
Dimensions6.78 × 6.75 × 4.36 mm
L/W Ratio1.00
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
6.78 mm6.75 mm1.60 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846664490
Side View
Table 47.0%Crown 30.9°Girdle: ThickPavilion 37.3°Culet: NoneDepth 64.6%

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: $5,794 AUD|Low: $784 AUD|High: $5,794 AUD|Avg: $2,521 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5$784 AUD
Retailer 2$968 AUD
Retailer 6$1,194 AUD
Retailer 7$1,818 AUD
Retailer 8$1,819 AUD
Retailer 4$2,994 AUD
Retailer 3$3,750 AUD
Brilliant Earth$5,794 AUD

6 data points across 8 retailers

8 retailers$784 AUD to $5,794 AUD

A
Cheapest Retailer
-
$784 AUD
£434 GBP
A
Retailer 2
-
$968 AUD
$680 USD
View
A
Retailer 3
-
$1,194 AUD
$839 USD
View
A
Retailer 4
-
$1,818 AUD
$1,277 USD
View
A
Retailer 5
-
$1,819 AUD
€1,217 EUR
View
B+
Retailer 6
-
$2,994 AUD
$2,103 USD
View
B+
Retailer 7
-
$3,750 AUD
$2,634 USD
View
Most Expensive
B
Brilliant Earth
22322381A · Oct 30
$5,794 AUD
$4,070 USD
View
7 more retailers have this diamond
Prices start from $784 AUDSave up to $5,010 AUD

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
1.60ct Cushion
$784 AUD