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Cushion|Lab Grown|IGI

1.61ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG828682072

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

Certificate IGI LG828682072

Diamond specifications and retailer prices

From $913 USD
As of October 30, 2026
Save $1,657 USD (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,570 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown cushion diamond

This 1.61ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828682072 or 828682072. Listed at 7 retailers as of October 30, 2026, with prices from $913 to $2,570, a $1,657 spread on the same certified stone. Brilliant Earth lists it at $2,570. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828682072
Dimensions6.96 × 6.87 × 4.46 mm
L/W Ratio1.01
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
6.96 mm6.87 mm1.61 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828682072
Side View
Table 61.0%Crown 32.8°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 64.9%

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: $1,673 USD|Low: $913 USD|High: $1,875 USD|Avg: $1,461 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 22, 2026
Retailer 4$913 USD
Retailer 3$1,158 USD
Retailer 6$1,659 USD
Retailer 1$1,673 USD
Retailer 5$1,709 USD
Retailer 2$1,840 USD

15 data points across 6 retailers

7 retailers$913 USD to $2,570 USD

A
Cheapest Retailer
-
$913 USD
A
Retailer 2
-
$1,158 USD
View
Retailer 3
-
$1,659 USD
A$2,552 AUD
View
Price last confirmed 27 days ago
B+
Retailer 4
-
$1,673 USD
View
B+
Retailer 5
-
$1,709 USD
SGD 2,310 SGD
View
Retailer 6
-
$1,840 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
22138815Y · Oct 31
$2,570 USD
View
6 more retailers have this diamond
Prices start from $913 USDSave up to $1,657 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
1.61ct Cushion
$913 USD