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Cushion|Lab Grown|IGI

11.57ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG615348253

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG615348253

Diamond specifications and retailer prices

From €1,931 EUR
£1,699 GBP
As of November 2, 2026
Save €17,698 EUR (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €19,629 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.57ct lab-grown cushion diamond

This 11.57ct 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 LG615348253 or 615348253. Listed at 22 retailers as of October 31, 2026, with prices from €1,931 to €19,629, a €17,698 spread on the same certified stone. Brilliant Earth lists it at €19,629. 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

11.57
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615348253
Dimensions12.76 × 12.58 × 7.86 mm
L/W Ratio1.01
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
12.76 mm12.58 mm11.57 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615348253
Side View
Table 62.0%Crown 34.7°Girdle: THK-VTKPavilion 32.8°Culet: NoneDepth 62.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €19,629 EUR|Low: €1,931 EUR|High: €19,629 EUR|Avg: €5,035 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
Retailer 16
November 2, 2026
Retailer 2€1,931 EUR
Retailer 6€2,321 EUR
Retailer 7€2,404 EUR
Retailer 3€2,551 EUR
Retailer 8€2,864 EUR
Retailer 9€3,283 EUR
Retailer 16€3,348 EUR
Retailer 14€3,437 EUR
Retailer 12€3,632 EUR
Retailer 13€3,722 EUR
Retailer 10€4,454 EUR
Retailer 15€5,379 EUR
Retailer 5€6,420 EUR
Retailer 4€6,780 EUR
Retailer 11€7,891 EUR
Brilliant Earth€19,629 EUR

40 data points across 16 retailers

22 retailers€1,931 EUR to €19,629 EUR

A
Cheapest Retailer
-
€1,931 EUR
£1,699 GBP
A
Retailer 2
-
€2,321 EUR
$2,593 USD
View
Final sale: no returns
Retailer 3
-
€2,404 EUR
$2,686 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
€2,551 EUR
$2,850 USD
View
A
Retailer 5
-
€2,864 EUR
$3,200 USD
View
A
Retailer 6
-
€3,283 EUR
£2,888 GBP
View
A
Retailer 7
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€3,348 EUR
$3,740 USD
View
A
Retailer 8
-
€3,437 EUR
$3,840 USD
View
A
Retailer 9
-
€3,632 EUR
View
A
Retailer 10
-
€3,722 EUR
ZAR 67,176 ZAR
View
B+
Retailer 11
-
€4,454 EUR
A$7,656 AUD
View
B+
Retailer 12
-
€4,556 EUR
£4,008 GBP
View
Retailer 13
-
€5,379 EUR
$6,010 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
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€5,969 EUR
$6,669 USD
View
B+
Retailer 15
-
€6,420 EUR
$7,172 USD
View
B+
Retailer 16
-
€6,780 EUR
$7,575 USD
View
B
Retailer 17
-
€7,795 EUR
$8,709 USD
View
B
Retailer 18
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€7,891 EUR
A$13,563 AUD
View
B
Retailer 19
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€8,397 EUR
$9,381 USD
View
B
Retailer 20
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€8,816 EUR
$9,849 USD
View
Retailer 21
-
€19,629 EUR
$21,930 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
16073821A · Oct 31
€19,629 EUR
$21,930 USD
View
21 more retailers have this diamond
Prices start from €1,931 EURSave up to €17,698 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
11.57ct Cushion
€1,931 EUR