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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 €1,963 EUR
£1,733 GBP
As of November 2, 2026
Save €14,041 EUR (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €16,004 EUR at Brilliant Earth · As of November 2, 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 November 2, 2026, with prices from €1,963 to €16,004, a €14,041 spread on the same certified stone. Brilliant Earth lists it at €16,004. 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
Colour
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: Nov 2
Current: €16,004 EUR|Low: €1,962 EUR|High: €16,004 EUR|Avg: €4,489 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€1,963 EUR
Retailer 5€2,359 EUR
Retailer 15€2,444 EUR
Retailer 4€2,590 EUR
Retailer 7€2,879 EUR
Retailer 10€3,337 EUR
Retailer 2€3,459 EUR
Retailer 12€3,783 EUR
Retailer 3€3,812 EUR
Retailer 8€3,870 EUR
Retailer 11€4,528 EUR
Retailer 14€6,202 EUR
Retailer 13€6,537 EUR
Retailer 6€6,882 EUR
Brilliant Earth€16,004 EUR

40 data points across 15 retailers

17 retailers€1,963 EUR to €16,004 EUR

A
Cheapest Retailer
-
€1,963 EUR
£1,733 GBP
A
Retailer 2
-
€2,359 EUR
$2,646 USD
View
Final sale: no returns
Retailer 3
-
€2,444 EUR
$2,741 USD
View
Price last confirmed 23 days ago
A
Retailer 4
-
€2,590 EUR
$2,905 USD
View
A
Retailer 5
-
€2,879 EUR
$3,229 USD
View
A
Retailer 6
-
€3,337 EUR
£2,947 GBP
View
A
Retailer 7
-
€3,459 EUR
$3,880 USD
View
A
Retailer 8
-
€3,783 EUR
ZAR 68,549 ZAR
View
A
Retailer 9
-
€3,812 EUR
$4,275 USD
View
A
Retailer 10
-
€3,870 EUR
View
B+
Retailer 11
-
€4,528 EUR
A$7,813 AUD
View
B+
Retailer 12
-
€4,633 EUR
£4,092 GBP
View
B+
Retailer 13
-
€6,202 EUR
$6,956 USD
View
B+
Retailer 14
-
€6,537 EUR
$7,332 USD
View
B
Retailer 15
-
€6,882 EUR
$7,719 USD
View
B
Retailer 16
-
€8,533 EUR
$9,570 USD
View
Most Expensive
B
Brilliant Earth
20601816A · Nov 2
€16,004 EUR
$17,950 USD
View
16 more retailers have this diamond
Prices start from €1,963 EURSave up to €14,041 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
€1,963 EUR