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Cushion|Lab Grown|IGI

3.21ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG522237379

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522237379

Diamond specifications and retailer prices

From £491 GBP
$658 USD
As of October 29, 2026
Save £1,882 GBP (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,373 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.21ct lab-grown cushion diamond

This 3.21ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG522237379 or 522237379. Listed at 11 retailers as of October 29, 2026, with prices from £491 to £2,373, a £1,882 spread on the same certified stone. MOH London lists it at £2,373. 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

3.21
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.7°
Pavilion angle43.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522237379
Dimensions8.93 × 8.48 × 5.75 mm
L/W Ratio1.05
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
8.93 mm8.48 mm3.21 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522237379
Side View
Table 64.0%Crown 30.7°Girdle: STK-THKPavilion 43.9°Culet: NoneDepth 67.8%

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 29
Current: £2,373 GBP|Low: £473 GBP|High: £2,390 GBP|Avg: £1,217 GBP|+4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10£491 GBP
Retailer 4£544 GBP
Retailer 3£627 GBP
Retailer 9£752 GBP
Retailer 7£835 GBP
Retailer 2£850 GBP
Retailer 8£1,581 GBP
Retailer 6£1,735 GBP
Retailer 5£2,120 GBP
MOH London£2,373 GBP

41 data points across 10 retailers

11 retailers£491 GBP to £2,373 GBP

A
Cheapest Retailer
-
£491 GBP
$658 USD
Final sale: no returns
Retailer 2
-
£544 GBP
$729 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£627 GBP
$840 USD
View
A
Retailer 4
-
£752 GBP
$1,008 USD
View
A
Retailer 5
-
£835 GBP
$1,119 USD
View
A
Retailer 6
-
£850 GBP
View
B+
Retailer 7
-
£1,581 GBP
View
B+
Retailer 8
-
£1,735 GBP
$2,325 USD
View
B+
Retailer 9
-
£1,853 GBP
HK$19,400 HKD
View
B
Retailer 10
-
£2,120 GBP
$2,840 USD
View
Most Expensive
B
MOH London
LG522237379 · Oct 29
£2,373 GBP
View
10 more retailers have this diamond
Prices start from £491 GBPSave up to £1,882 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
3.21ct Cushion
£491 GBP