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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 $895 AUD
As of November 3, 2026
Save $2,350 AUD (72%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,246 AUD 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 $895 to $3,246, a $2,350 spread on the same certified stone. Brilliant Earth lists it at $3,246. 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
Colour
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: $3,246 AUD|Low: $578 AUD|High: $3,246 AUD|Avg: $1,372 AUD
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$578 AUD
Retailer 13$613 AUD
Retailer 9$895 AUD
Retailer 4$937 AUD
Retailer 8$939 AUD
Retailer 5$940 AUD
Retailer 7$995 AUD
Retailer 6$1,030 AUD
Retailer 10$1,409 AUD
Retailer 2$1,476 AUD
Retailer 11$1,972 AUD
Retailer 12$2,317 AUD
Brilliant Earth$3,246 AUD

40 data points across 13 retailers

15 retailers$895 AUD to $3,246 AUD

Retailer 1
-
$578 AUD
Price last confirmed 13 days ago
A
Retailer 2
-
$895 AUD
View
A
Retailer 3
-
$937 AUD
View
A
Retailer 4
-
$939 AUD
View
A
Retailer 5
-
$940 AUD
View
A
Retailer 6
-
$995 AUD
View
A
Retailer 7
-
$1,030 AUD
View
A
Retailer 8
-
$1,354 AUD
View
Retailer 9
-
$1,409 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$1,476 AUD
View
B+
Retailer 11
-
$1,923 AUD
View
B+
Retailer 12
-
$1,972 AUD
View
B+
Retailer 13
-
$2,078 AUD
View
Retailer 14
-
$2,317 AUD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
14979838A · Nov 3
$3,246 AUD
$2,230 USD
View
14 more retailers have this diamond
Prices start from $895 AUDSave up to $2,350 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
1.29ct Cushion
$895 AUD