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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 €355 EUR
$397 USD
As of October 25, 2026
Save €1,641 EUR (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,996 EUR at Brilliant Earth · As of October 29, 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 16 retailers as of October 25, 2026, with prices from €355 to €1,996, a €1,641 spread on the same certified stone. Brilliant Earth lists it at €1,996. 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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Price History

Last verified: Oct 25
Current: €1,996 EUR|Low: €355 EUR|High: €1,996 EUR|Avg: €843 EUR
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 31, 2026
Retailer 13€355 EUR
Retailer 12€378 EUR
Retailer 2€550 EUR
Retailer 4€576 EUR
Retailer 5€578 EUR
Retailer 7€582 EUR
Retailer 10€610 EUR
Retailer 6€634 EUR
Retailer 8€867 EUR
Retailer 3€896 EUR
Retailer 9€1,213 EUR
Retailer 11€1,426 EUR
Brilliant Earth€1,996 EUR

41 data points across 13 retailers

16 retailers€355 EUR to €1,996 EUR

A
Cheapest Retailer
-
€355 EUR
$397 USD
Retailer 2
-
€378 EUR
£332 GBP
View
Price last confirmed 16 days ago
A
Retailer 3
-
€550 EUR
$615 USD
View
A
Retailer 4
-
€576 EUR
$644 USD
View
A
Retailer 5
-
€578 EUR
$646 USD
View
A
Retailer 6
-
€582 EUR
View
A
Retailer 7
-
€610 EUR
ZAR 11,018 ZAR
View
A
Retailer 8
-
€634 EUR
£558 GBP
View
A
Retailer 9
-
€832 EUR
$930 USD
View
A
Retailer 10
-
€867 EUR
A$1,490 AUD
View
A
Retailer 11
-
€896 EUR
$1,001 USD
View
B+
Retailer 12
-
€1,183 EUR
$1,321 USD
View
B+
Retailer 13
-
€1,213 EUR
$1,355 USD
View
B+
Retailer 14
-
€1,278 EUR
$1,428 USD
View
B+
Retailer 15
-
€1,426 EUR
£1,254 GBP
View
Most Expensive
B
Brilliant Earth
14979838A · Oct 29
€1,996 EUR
$2,230 USD
View
15 more retailers have this diamond
Prices start from €355 EURSave up to €1,641 EUR

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
€355 EUR