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Cushion|Lab Grown|IGI

11.05ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG717520203

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG717520203

Diamond specifications and retailer prices

From $1,740 USD
£1,370 GBP
As of October 30, 2026
Save $6,607 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,347 USD at Adiamor · As of October 30, 2026
View at Adiamor

About this 11.05ct lab-grown cushion diamond

This 11.05ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG717520203 or 717520203. Listed at 12 retailers as of October 30, 2026, with prices from $1,740 to $8,347, a $6,607 spread on the same certified stone. Adiamor lists it at $8,347. 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
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717520203
Dimensions16.40 × 11.38 × 7.21 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.40 mm11.38 mm11.05 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717520203
Side View
Table 65.0%Crown 34.2°Girdle: STK-THKPavilion 33.9°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,347 USD|Low: $1,735 USD|High: $9,237 USD|Avg: $4,067 USD|-0.3%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$1,740 USD
Retailer 3$2,086 USD
Retailer 10$2,161 USD
Retailer 9$2,220 USD
Retailer 5$2,971 USD
Retailer 7$3,090 USD
Retailer 6$3,345 USD
Retailer 8$4,010 USD
Retailer 4$4,465 USD
Retailer 11$5,822 USD
Retailer 12$7,569 USD
Adiamor$8,347 USD

34 data points across 12 retailers

12 retailers$1,740 USD to $8,347 USD

A
Cheapest Retailer
-
$1,740 USD
£1,370 GBP
A
Retailer 2
-
$2,086 USD
View
Final sale: no returns
Retailer 3
-
$2,161 USD
View
Price last confirmed 18 days ago
A
Retailer 4
-
$2,220 USD
View
A
Retailer 5
-
$2,971 USD
£2,339 GBP
View
B+
Retailer 6
-
$3,090 USD
View
A
Retailer 7
-
$3,345 USD
ZAR 54,033 ZAR
View
Retailer 8
-
$4,010 USD
A$6,169 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$4,465 USD
£3,516 GBP
View
B+
Retailer 10
-
$5,822 USD
View
B+
Retailer 11
-
$7,569 USD
View
Most Expensive
B+
Adiamor
D-69052335 · Oct 30
$8,347 USD
View
11 more retailers have this diamond
Prices start from $1,740 USDSave up to $6,607 USD

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
$1,740 USD