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Cushion|Lab Grown|IGI

11.41ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG611356515

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG611356515

Diamond specifications and retailer prices

From £2,408 GBP
$3,227 USD
As of November 1, 2026
Save £11,421 GBP (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £13,829 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.41ct lab-grown cushion diamond

This 11.41ct 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 LG611356515 or 611356515. Listed at 10 retailers as of October 31, 2026, with prices from £2,408 to £13,829, a £11,421 spread on the same certified stone. Brilliant Earth lists it at £13,829. 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

11.41
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611356515
Dimensions15.25 × 12.37 × 7.89 mm
L/W Ratio1.23
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
15.25 mm12.37 mm11.41 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611356515
Side View
Table 62.0%Crown 37.2°Girdle: MED-THKPavilion 37.9°Culet: NoneDepth 63.8%

Caratlytics Score

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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: Nov 1
Current: £13,829 GBP|Low: £1,689 GBP|High: £14,524 GBP|Avg: £5,987 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3£1,689 GBP
Retailer 9£2,408 GBP
Retailer 7£2,437 GBP
Retailer 2£3,255 GBP
Retailer 4£3,338 GBP
Retailer 5£3,874 GBP
Retailer 10£4,591 GBP
Retailer 11£6,370 GBP
Retailer 6£6,631 GBP
Retailer 8£13,747 GBP
Brilliant Earth£13,829 GBP

26 data points across 11 retailers

10 retailers£2,408 GBP to £13,829 GBP

A
Cheapest Retailer
-
£2,408 GBP
$3,227 USD
A
Retailer 2
-
£2,437 GBP
$3,265 USD
View
A
Retailer 3
-
£3,255 GBP
$4,361 USD
View
A
Retailer 4
-
£3,338 GBP
$4,473 USD
View
B+
Retailer 5
-
£3,874 GBP
€4,943 EUR
View
B+
Retailer 6
-
£4,591 GBP
$6,152 USD
View
B
Retailer 7
-
£6,370 GBP
$8,535 USD
View
B
Retailer 8
-
£6,631 GBP
$8,885 USD
View
B
Retailer 9
-
£13,747 GBP
$18,420 USD
View
Most Expensive
B
Brilliant Earth
17234205A · Oct 31
£13,829 GBP
$18,530 USD
View
9 more retailers have this diamond
Prices start from £2,408 GBPSave up to £11,421 GBP

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
11.41ct Cushion
£2,408 GBP