Cushion|Lab Grown|IGI

11.29ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG617440174

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG617440174

Diamond specifications and retailer prices

From €1,877 EUR
£1,658 GBP
As of November 2, 2026
Save €17,203 EUR (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €19,080 EUR at Brilliant Earth · As of October 10, 2026
View at Brilliant Earth

About this 11.29ct lab-grown cushion diamond

This 11.29ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG617440174 or 617440174. Listed at 21 retailers as of November 2, 2026, with a 916% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

11.29
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617440174
Dimensions12.81 × 12.60 × 7.90 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.81 mm12.60 mm11.29 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617440174
Side View
Table 65.0%Crown 39°Girdle: MED-VTKPavilion 34.9°Culet: NoneDepth 62.7%

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 2
Current: €19,080 EUR|Low: €1,877 EUR|High: €19,080 EUR|Avg: €4,785 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
Retailer 14
Retailer 15
November 2, 2026
Retailer 9€1,877 EUR
Retailer 5€2,257 EUR
Retailer 6€2,338 EUR
Retailer 15€2,483 EUR
Retailer 7€2,792 EUR
Retailer 10€3,192 EUR
Retailer 14€3,342 EUR
Retailer 2€3,379 EUR
Retailer 8€3,528 EUR
Retailer 13€3,619 EUR
Retailer 11€4,331 EUR
Retailer 4€6,242 EUR
Retailer 3€6,604 EUR
Retailer 12€7,669 EUR
Brilliant Earth€19,080 EUR

41 data points across 15 retailers

21 retailers€1,877 EUR to €19,080 EUR

A
Cheapest Retailer
-
€1,877 EUR
£1,658 GBP
A
Retailer 2
-
€2,257 EUR
$2,531 USD
View
Final sale: no returns
Retailer 3
-
€2,338 EUR
$2,622 USD
View
Price last confirmed 23 days ago
A
Retailer 4
-
€2,483 EUR
$2,785 USD
View
A
Retailer 5
-
€2,792 EUR
$3,131 USD
View
A
Retailer 6
-
€3,192 EUR
£2,819 GBP
View
A
Retailer 7
-
€3,342 EUR
$3,748 USD
View
A
Retailer 8
-
€3,379 EUR
$3,790 USD
View
A
Retailer 9
-
€3,528 EUR
View
A
Retailer 10
-
€3,619 EUR
ZAR 65,570 ZAR
View
B+
Retailer 11
-
€4,331 EUR
A$7,473 AUD
View
B+
Retailer 12
-
€4,430 EUR
£3,912 GBP
View
B+
Retailer 13
-
€5,802 EUR
$6,508 USD
View
B+
Retailer 14
-
€6,242 EUR
$7,001 USD
View
B+
Retailer 15
-
€6,604 EUR
$7,407 USD
View
B
Retailer 16
-
€7,413 EUR
$8,315 USD
View
B+
Retailer 17
-
€7,669 EUR
A$13,233 AUD
View
B
Retailer 18
-
€8,167 EUR
$9,160 USD
View
B
Retailer 19
-
€8,568 EUR
$9,610 USD
View
B
Retailer 20
-
€19,080 EUR
$21,400 USD
View
Most Expensive
Brilliant Earth
16032382A · Oct 10
€19,080 EUR
$21,400 USD
View
Price last confirmed 23 days ago
20 more retailers have this diamond
Prices start from €1,877 EURSave up to €17,203 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
11.29ct Cushion
€1,877 EUR