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Cushion|Lab Grown|IGI

11.09ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG678596589

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG678596589

Diamond specifications and retailer prices

From €2,453 EUR
$2,740 USD
As of October 31, 2026
Save €5,605 EUR (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €8,057 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 11.09ct lab-grown cushion diamond

This 11.09ct 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 LG678596589 or 678596589. Listed at 11 retailers as of October 31, 2026, with prices from €2,453 to €8,057, a €5,605 spread on the same certified stone. Taylor and Hart lists it at €8,057. 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

11.09
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678596589
Dimensions15.34 × 11.73 × 7.57 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.34 mm11.73 mm11.09 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678596589
Side View
Table 60.0%Crown 35.6°Girdle: STK-THKPavilion 33.8°Culet: NoneDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €4,272 EUR|Low: €1,861 EUR|High: €8,293 EUR|Avg: €4,532 EUR|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 1, 2026
Retailer 6€1,861 EUR
Retailer 7€2,306 EUR
Retailer 5€2,453 EUR
Retailer 3€3,174 EUR
Retailer 4€3,569 EUR
Retailer 10€3,600 EUR
Retailer 1€4,272 EUR
Retailer 8€4,379 EUR
Retailer 2€6,156 EUR
Retailer 9€6,565 EUR
Taylor and Hart€8,057 EUR

43 data points across 11 retailers

11 retailers€2,453 EUR to €8,057 EUR

Retailer 1
-
€1,861 EUR
£1,638 GBP
Price last confirmed 15 days ago
Retailer 2
-
€2,306 EUR
$2,576 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
€2,453 EUR
$2,740 USD
View
A
Retailer 4
-
€3,174 EUR
£2,792 GBP
View
A
Retailer 5
-
€3,569 EUR
ZAR 64,423 ZAR
View
A
Retailer 6
-
€3,600 EUR
$4,022 USD
View
Retailer 7
-
€4,272 EUR
A$7,343 AUD
View
B+
Retailer 8
-
€4,379 EUR
£3,852 GBP
View
B+
Retailer 9
-
€6,156 EUR
$6,878 USD
View
B+
Retailer 10
-
€6,565 EUR
$7,334 USD
View
Most Expensive
B
Taylor and Hart
BUENFQE · Oct 31
€8,057 EUR
$9,002 USD
View
10 more retailers have this diamond
Prices start from €2,453 EURSave up to €5,605 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
11.09ct Cushion
€2,453 EUR