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Cushion|Lab Grown|IGI

1.02ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG689562159

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689562159

Diamond specifications and retailer prices

From $353 USD
As of October 30, 2026
Save $1,467 USD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,820 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.02ct lab-grown cushion diamond

This 1.02ct 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 LG689562159 or 689562159. Listed at 18 retailers as of October 29, 2026, with prices from $353 to $1,820, a $1,467 spread on the same certified stone. Brilliant Earth lists it at $1,820. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562159
Dimensions6.54 × 5.38 × 3.67 mm
L/W Ratio1.22
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
6.54 mm5.38 mm1.02 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562159
Side View
Table 62.0%Crown 38.2°Girdle: MED-STKPavilion 37°Culet: NoneDepth 68.2%

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 30
Current: $1,820 USD|Low: $350 USD|High: $1,820 USD|Avg: $867 USD|+1.7%
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
Retailer 15
Retailer 16
October 30, 2026
Retailer 2$353 USD
Retailer 3$392 USD
Retailer 14$595 USD
Retailer 15$611 USD
Retailer 16$630 USD
Retailer 5$637 USD
Retailer 13$673 USD
Retailer 9$698 USD
Retailer 10$726 USD
Retailer 12$956 USD
Retailer 8$1,008 USD
Retailer 4$1,015 USD
Retailer 7$1,305 USD
Retailer 6$1,564 USD
Retailer 11$1,579 USD
Brilliant Earth$1,820 USD

40 data points across 16 retailers

18 retailers$353 USD to $1,820 USD

A
Cheapest Retailer
-
$353 USD
Final sale: no returns
A
Retailer 2
-
$392 USD
View
A
Retailer 3
-
$595 USD
View
A
Retailer 4
-
$611 USD
View
A
Retailer 5
-
$630 USD
View
A
Retailer 6
-
$637 USD
View
A
Retailer 7
-
$673 USD
ZAR 10,874 ZAR
View
A
Retailer 8
-
$698 USD
£550 GBP
View
A
Retailer 9
-
$726 USD
€691 EUR
View
B+
Retailer 10
-
$956 USD
A$1,470 AUD
View
Retailer 11
-
$1,008 USD
A$1,551 AUD
View
Price last confirmed 25 days ago
B+
Retailer 12
-
$1,015 USD
View
B
Retailer 13
-
$1,305 USD
View
Retailer 14
-
$1,333 USD
View
Price last confirmed 82 days ago
B
Retailer 15
-
$1,477 USD
View
B
Retailer 16
-
$1,564 USD
View
B
Retailer 17
-
$1,579 USD
£1,243 GBP
View
Most Expensive
B
Brilliant Earth
15976567A · Oct 29
$1,820 USD
View
17 more retailers have this diamond
Prices start from $353 USDSave up to $1,467 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
1.02ct Cushion
$353 USD