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Cushion|Lab Grown|IGI

11.05ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG627413588

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG627413588

Diamond specifications and retailer prices

From €1,976 EUR
£1,739 GBP
As of October 30, 2026
Save €14,091 EUR (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €16,067 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 11.05ct lab-grown cushion diamond

This 11.05ct lab-grown cushion sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627413588 or 627413588. Listed at 17 retailers as of October 29, 2026, with prices from €1,976 to €16,067, a €14,091 spread on the same certified stone. Brilliant Earth lists it at €16,067. 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

11.05
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627413588
Dimensions12.96 × 12.30 × 8.45 mm
L/W Ratio1.05
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
12.96 mm12.30 mm11.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627413588
Side View
Table 64.0%Crown 38.4°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 68.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €16,067 EUR|Low: €1,970 EUR|High: €16,067 EUR|Avg: €4,522 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
October 31, 2026
Retailer 9€1,976 EUR
Retailer 5€2,368 EUR
Retailer 15€2,453 EUR
Retailer 4€2,600 EUR
Retailer 7€2,890 EUR
Retailer 8€3,379 EUR
Retailer 14€3,427 EUR
Retailer 10€3,798 EUR
Retailer 3€3,827 EUR
Retailer 2€3,886 EUR
Retailer 12€4,553 EUR
Retailer 13€6,226 EUR
Retailer 11€6,563 EUR
Retailer 6€6,909 EUR
Brilliant Earth€16,067 EUR

43 data points across 15 retailers

17 retailers€1,976 EUR to €16,067 EUR

A
Cheapest Retailer
-
€1,976 EUR
£1,739 GBP
A
Retailer 2
-
€2,368 EUR
$2,646 USD
View
Final sale: no returns
Retailer 3
-
€2,453 EUR
$2,741 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
€2,600 EUR
$2,905 USD
View
A
Retailer 5
-
€2,890 EUR
$3,229 USD
View
A
Retailer 6
-
€3,379 EUR
£2,972 GBP
View
A
Retailer 7
-
€3,427 EUR
$3,829 USD
View
A
Retailer 8
-
€3,798 EUR
ZAR 68,549 ZAR
View
Retailer 9
-
€3,827 EUR
$4,275 USD
View
Price last confirmed 11 days ago
A
Retailer 10
-
€3,886 EUR
View
Retailer 11
-
€4,553 EUR
A$7,826 AUD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
€4,652 EUR
£4,092 GBP
View
B+
Retailer 13
-
€6,226 EUR
$6,956 USD
View
B+
Retailer 14
-
€6,563 EUR
$7,332 USD
View
B
Retailer 15
-
€6,909 EUR
$7,719 USD
View
B
Retailer 16
-
€8,566 EUR
$9,570 USD
View
Most Expensive
B
Brilliant Earth
20601816A · Oct 29
€16,067 EUR
$17,950 USD
View
16 more retailers have this diamond
Prices start from €1,976 EURSave up to €14,091 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
11.05ct Cushion
€1,976 EUR