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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 €4,058 EUR
$4,534 USD
As of November 1, 2026
Save €12,241 EUR (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €16,300 EUR at Brilliant Earth · As of October 31, 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 October 31, 2026, with prices from €4,058 to €16,300, a €12,241 spread on the same certified stone. Brilliant Earth lists it at €16,300. 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
Color
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: €16,300 EUR|Low: €1,527 EUR|High: €17,141 EUR|Avg: €6,164 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
October 31, 2026
Retailer 7€1,527 EUR
Retailer 14€2,937 EUR
Retailer 12€3,034 EUR
Retailer 4€3,783 EUR
Retailer 13€4,058 EUR
Retailer 9€4,154 EUR
Retailer 5€4,341 EUR
Retailer 2€4,834 EUR
Retailer 6€5,047 EUR
Retailer 8€5,354 EUR
Retailer 3€6,721 EUR
Retailer 15€7,947 EUR
Retailer 10€8,261 EUR
Brilliant Earth€16,300 EUR
Retailer 11€17,141 EUR

20 data points across 15 retailers

4 retailers€4,058 EUR to €16,300 EUR

A
Cheapest Retailer
-
€4,058 EUR
$4,534 USD
B+
Retailer 2
-
€4,834 EUR
View
B
Retailer 3
-
€7,947 EUR
$8,878 USD
View
Most Expensive
B
Brilliant Earth
18094760A · Oct 31
€16,300 EUR
$18,210 USD
View
3 more retailers have this diamond
Prices start from €4,058 EURSave up to €12,241 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
€4,058 EUR