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Cushion|Lab Grown|IGI

1.29ct F IF Cushion Lab Grown Diamond

ID • F/IF • IGI LG713512881

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

Certificate IGI LG713512881

Diamond specifications and retailer prices

From $615 USD
As of November 3, 2026
Save $1,615 USD (72%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,230 USD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.29ct lab-grown cushion diamond

This 1.29ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG713512881 or 713512881. Listed at 15 retailers as of November 3, 2026, with prices from $615 to $2,230, a $1,615 spread on the same certified stone. Brilliant Earth lists it at $2,230. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG713512881
Dimensions6.41 × 6.19 × 4.29 mm
L/W Ratio1.04
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
6.41 mm6.19 mm1.29 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG713512881
Side View
Table 64.0%Crown 47.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 69.3%

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: Nov 3
Current: $2,230 USD|Low: $397 USD|High: $2,230 USD|Avg: $943 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
November 2, 2026
Retailer 3$397 USD
Retailer 13$421 USD
Retailer 9$615 USD
Retailer 4$644 USD
Retailer 8$645 USD
Retailer 5$646 USD
Retailer 7$684 USD
Retailer 6$708 USD
Retailer 10$968 USD
Retailer 2$1,014 USD
Retailer 11$1,355 USD
Retailer 12$1,592 USD
Brilliant Earth$2,230 USD

41 data points across 13 retailers

15 retailers$615 USD to $2,230 USD

Retailer 1
-
$397 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$615 USD
View
A
Retailer 3
-
$644 USD
View
A
Retailer 4
-
$645 USD
View
A
Retailer 5
-
$646 USD
View
A
Retailer 6
-
$684 USD
View
A
Retailer 7
-
$708 USD
View
A
Retailer 8
-
$930 USD
View
Retailer 9
-
$968 USD
View
Price last confirmed 7 days ago
A
Retailer 10
-
$1,014 USD
View
B+
Retailer 11
-
$1,321 USD
View
B+
Retailer 12
-
$1,355 USD
View
B+
Retailer 13
-
$1,428 USD
View
Retailer 14
-
$1,592 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
14979838A · Nov 3
$2,230 USD
View
14 more retailers have this diamond
Prices start from $615 USDSave up to $1,615 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
1.29ct Cushion
$615 USD