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Cushion|Lab Grown|IGI

1.06ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG620421792

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG620421792

Diamond specifications and retailer prices

From $446 USD
As of October 30, 2026
Save $1,494 USD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,940 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.06ct lab-grown cushion diamond

This 1.06ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG620421792 or 620421792. Listed at 18 retailers as of October 29, 2026, with prices from $446 to $1,940, a $1,494 spread on the same certified stone. Brilliant Earth lists it at $1,940. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.06
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421792
Dimensions7.03 × 5.54 × 3.65 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
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
7.03 mm5.54 mm1.06 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421792
Side View
Table 61.0%Crown 34.8°Girdle: THN-MEDPavilion 38.4°Culet: NoneDepth 65.9%

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: $1,940 USD|Low: $446 USD|High: $1,960 USD|Avg: $941 USD|-1.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 4$446 USD
Retailer 13$481 USD
Retailer 12$511 USD
Retailer 11$645 USD
Retailer 14$645 USD
Retailer 5$707 USD
Retailer 8$775 USD
Retailer 10$827 USD
Retailer 2$872 USD
Retailer 3$1,056 USD
Retailer 7$1,173 USD
Retailer 6$1,402 USD
Retailer 9$1,890 USD
Brilliant Earth$1,940 USD

42 data points across 14 retailers

18 retailers$446 USD to $1,940 USD

A
Cheapest Retailer
-
$446 USD
Final sale: no returns
A
Retailer 2
-
$481 USD
View
Retailer 3
-
$511 USD
£403 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
$645 USD
View
A
Retailer 5
-
$645 USD
View
A
Retailer 6
-
$675 USD
View
A
Retailer 7
-
$707 USD
View
A
Retailer 8
-
$775 USD
€738 EUR
View
A
Retailer 9
-
$827 USD
ZAR 13,357 ZAR
View
B+
Retailer 10
-
$872 USD
£686 GBP
View
Retailer 11
-
$1,056 USD
View
Price last confirmed 25 days ago
Retailer 12
-
$1,144 USD
A$1,760 AUD
View
Price last confirmed 144 days ago
B+
Retailer 13
-
$1,173 USD
A$1,804 AUD
View
Retailer 14
-
$1,402 USD
£1,104 GBP
View
Price last confirmed 26 days ago
B
Retailer 15
-
$1,584 USD
View
B
Retailer 16
-
$1,760 USD
View
B
Retailer 17
-
$1,890 USD
£1,488 GBP
View
Most Expensive
B
Brilliant Earth
11259141A · Oct 29
$1,940 USD
View
17 more retailers have this diamond
Prices start from $446 USDSave up to $1,494 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
1.06ct Cushion
$446 USD