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Cushion|Lab Grown|IGI

11.21ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1

Diamond specifications and retailer prices

From £2,656 GBP
CA$4,943 CAD
As of October 30, 2026
Save £9,391 GBP (78%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £12,047 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

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. Listed at 3 retailers as of October 30, 2026, with prices from £2,656 to £12,047, a £9,391 spread on the same certified stone. The Diamond Guys lists it at £12,047. 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
OriginLab Grown
Grading LabIGI
Dimensions15.10 × 12.34 × 7.82 mm
L/W Ratio1.22
Top View
15.10 mm12.34 mm11.21 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.4%

Caratlytics Score

How it works →
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 30
Current: £2,656 GBP|Low: £1,790 GBP|High: £12,047 GBP|Avg: £4,199 GBP|-6.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
The Diamond Guys
September 29, 2026
Retailer 3£1,790 GBP
Retailer 4£2,465 GBP
Retailer 1£2,656 GBP
Retailer 2£2,729 GBP
The Diamond Guys£12,047 GBP

3 data points across 5 retailers

3 retailers£2,656 GBP to £12,047 GBP

A
Cheapest Retailer
-
£2,656 GBP
CA$4,943 CAD
Retailer 2
-
£2,729 GBP
$3,657 USD
View
Price last confirmed 27 days ago
Most Expensive
C
The Diamond Guys
1857199710 · Nov 1
£12,047 GBP
$16,142 USD
View
2 more retailers have this diamond
Prices start from £2,656 GBPSave up to £9,391 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
11.21ct Cushion
£2,656 GBP