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Cushion|Lab Grown|IGI

11.21ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG605326749

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG605326749

Diamond specifications and retailer prices

From €4,042 EUR
$4,534 USD
As of November 1, 2026
Save €12,193 EUR (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €16,236 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 11.21ct lab-grown cushion diamond

This 11.21ct 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 LG605326749 or 605326749. Listed at 4 retailers as of November 1, 2026, with prices from €4,042 to €16,236, a €12,193 spread on the same certified stone. Brilliant Earth lists it at €16,236. 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

11.21
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605326749
Dimensions15.10 × 12.34 × 7.82 mm
L/W Ratio1.22
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
15.10 mm12.34 mm11.21 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605326749
Side View
Table 59.0%Crown 37.2°Girdle: MED-THKPavilion 37.5°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €16,236 EUR|Low: €1,521 EUR|High: €17,074 EUR|Avg: €6,150 EUR|-3.0%
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 7€1,521 EUR
Retailer 14€2,925 EUR
Retailer 12€3,022 EUR
Retailer 4€3,769 EUR
Retailer 13€4,042 EUR
Retailer 9€4,138 EUR
Retailer 5€4,324 EUR
Retailer 2€4,814 EUR
Retailer 6€5,027 EUR
Retailer 8€5,333 EUR
Retailer 3€6,695 EUR
Retailer 15€7,916 EUR
Retailer 10€8,229 EUR
Brilliant Earth€16,236 EUR
Retailer 11€17,074 EUR

21 data points across 15 retailers

4 retailers€4,042 EUR to €16,236 EUR

A
Cheapest Retailer
-
€4,042 EUR
$4,534 USD
B+
Retailer 2
-
€4,814 EUR
View
B
Retailer 3
-
€7,916 EUR
$8,878 USD
View
Most Expensive
B
Brilliant Earth
18094760A · Nov 2
€16,236 EUR
$18,210 USD
View
3 more retailers have this diamond
Prices start from €4,042 EURSave up to €12,193 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
11.21ct Cushion
€4,042 EUR