Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG658492612

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG658492612

Diamond specifications and retailer prices

From $437 USD
As of October 28, 2026
Save $1,493 USD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,930 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct 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 LG658492612 or 658492612. Listed at 19 retailers as of October 28, 2026, with prices from $437 to $1,930, a $1,493 spread on the same certified stone. Brilliant Earth lists it at $1,930. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658492612
Dimensions7.36 × 5.19 × 3.41 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.36 mm5.19 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658492612
Side View
Table 60.0%Crown 33.2°Girdle: MED-THKPavilion 34.2°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,930 USD|Low: $437 USD|High: $1,930 USD|Avg: $976 USD
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
October 30, 2026
Retailer 5$437 USD
Retailer 4$484 USD
Retailer 3$630 USD
Retailer 13$662 USD
Retailer 7$761 USD
Retailer 2$793 USD
Retailer 10$832 USD
Retailer 8$1,030 USD
Retailer 6$1,180 USD
Retailer 12$1,186 USD
Retailer 11$1,260 USD
Retailer 9$1,901 USD
Brilliant Earth$1,930 USD

44 data points across 13 retailers

19 retailers$437 USD to $1,930 USD

A
Cheapest Retailer
-
$437 USD
Final sale: no returns
A
Retailer 2
-
$484 USD
View
A
Retailer 3
-
$493 USD
View
A
Retailer 4
-
$630 USD
View
A
Retailer 5
-
$662 USD
View
A
Retailer 6
-
$761 USD
€725 EUR
View
A
Retailer 7
-
$793 USD
£625 GBP
View
A
Retailer 8
-
$832 USD
ZAR 13,435 ZAR
View
B+
Retailer 9
-
$1,030 USD
A$1,584 AUD
View
B+
Retailer 10
-
$1,180 USD
A$1,815 AUD
View
B+
Retailer 11
-
$1,186 USD
View
B+
Retailer 12
-
$1,260 USD
View
Retailer 13
-
$1,260 USD
View
Price last confirmed 31 days ago
B
Retailer 14
-
$1,417 USD
£1,116 GBP
View
B
Retailer 15
-
$1,593 USD
View
B
Retailer 16
-
$1,801 USD
View
B
Retailer 17
-
$1,808 USD
View
B
Retailer 18
-
$1,901 USD
£1,497 GBP
View
Most Expensive
B
Brilliant Earth
14013277A · Oct 29
$1,930 USD
View
18 more retailers have this diamond
Prices start from $437 USDSave up to $1,493 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
1.00ct Cushion
$437 USD