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 $775 USD
£610 GBP
As of October 27, 2026
Save $3,295 USD (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,070 USD at Brilliant Earth · As of October 29, 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 27, 2026, with prices from $775 to $4,070, a $3,295 spread on the same certified stone. Brilliant Earth lists it at $4,070. 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
Color
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 27
Current: $4,070 USD|Low: $775 USD|High: $4,070 USD|Avg: $1,780 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 6$775 USD
Retailer 2$880 USD
Retailer 8$1,151 USD
Retailer 4$1,277 USD
Retailer 5$1,278 USD
Retailer 3$2,552 USD
Retailer 7$3,743 USD
Brilliant Earth$4,070 USD

4 data points across 8 retailers

8 retailers$775 USD to $4,070 USD

A
Cheapest Retailer
-
$775 USD
£610 GBP
A
Retailer 2
-
$880 USD
View
A
Retailer 3
-
$1,151 USD
View
A
Retailer 4
-
$1,277 USD
View
A
Retailer 5
-
$1,278 USD
€1,217 EUR
View
B
Retailer 6
-
$2,552 USD
View
B
Retailer 7
-
$3,743 USD
View
Most Expensive
B
Brilliant Earth
22322381A · Oct 29
$4,070 USD
View
7 more retailers have this diamond
Prices start from $775 USDSave up to $3,295 USD

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
$775 USD