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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 $1,300 AUD
$913 USD
As of November 2, 2026
Save $2,359 AUD (64%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,659 AUD 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 31, 2026, with prices from $1,300 to $3,659, a $2,359 spread on the same certified stone. Brilliant Earth lists it at $3,659. 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
Colour
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

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: Nov 2
Current: $2,382 AUD|Low: $1,300 AUD|High: $2,669 AUD|Avg: $2,080 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 22, 2026
Retailer 4$1,300 AUD
Retailer 3$1,649 AUD
Retailer 6$2,361 AUD
Retailer 1$2,382 AUD
Retailer 5$2,434 AUD
Retailer 2$2,619 AUD

15 data points across 6 retailers

7 retailers$1,300 AUD to $3,659 AUD

A
Cheapest Retailer
-
$1,300 AUD
$913 USD
A
Retailer 2
-
$1,649 AUD
$1,158 USD
View
Retailer 3
-
$2,361 AUD
View
Price last confirmed 28 days ago
B+
Retailer 4
-
$2,382 AUD
$1,673 USD
View
B+
Retailer 5
-
$2,434 AUD
SGD 2,310 SGD
View
Retailer 6
-
$2,619 AUD
$1,840 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
22138815Y · Oct 31
$3,659 AUD
$2,570 USD
View
6 more retailers have this diamond
Prices start from $1,300 AUDSave up to $2,359 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
1.61ct Cushion
$1,300 AUD