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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 $977 NZD
£434 GBP
As of October 30, 2026
Save $6,244 NZD (86%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,221 NZD 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 $977 to $7,221, a $6,244 spread on the same certified stone. Brilliant Earth lists it at $7,221. 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: $7,221 NZD|Low: $977 NZD|High: $7,221 NZD|Avg: $3,193 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 3$977 NZD
Retailer 4$1,489 NZD
Retailer 5$1,561 NZD
Retailer 6$2,266 NZD
Retailer 7$2,267 NZD
Retailer 2$3,731 NZD
Retailer 8$6,641 NZD
Brilliant Earth$7,221 NZD

5 data points across 8 retailers

8 retailers$977 NZD to $7,221 NZD

A
Cheapest Retailer
-
$977 NZD
£434 GBP
A
Retailer 2
-
$1,489 NZD
$839 USD
View
A
Retailer 3
-
$1,561 NZD
$880 USD
View
A
Retailer 4
-
$2,266 NZD
$1,277 USD
View
A
Retailer 5
-
$2,267 NZD
€1,217 EUR
View
B+
Retailer 6
-
$3,731 NZD
$2,103 USD
View
B
Retailer 7
-
$6,641 NZD
$3,743 USD
View
Most Expensive
B
Brilliant Earth
22322381A · Oct 30
$7,221 NZD
$4,070 USD
View
7 more retailers have this diamond
Prices start from $977 NZDSave up to $6,244 NZD

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
$977 NZD