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Cushion|Lab Grown|IGI

3.54ct G VS1 Cushion Lab Grown Diamond

VG • G/VS1 • IGI LG838614326

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG838614326

Diamond specifications and retailer prices

From £837 GBP
$1,122 USD
As of October 28, 2026
Save £1,542 GBP (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,379 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.54ct lab-grown cushion diamond

This 3.54ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG838614326 or 838614326. Listed at 7 retailers as of October 28, 2026, with prices from £837 to £2,379, a £1,542 spread on the same certified stone. MOH London lists it at £2,379. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.54
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838614326
Dimensions10.55 × 7.98 × 5.12 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.55 mm7.98 mm3.54 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838614326
Side View
Table 58.0%Crown 39.5°Girdle: MED-STKPavilion 40.7°Culet: LargeDepth 64.2%

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 28
Current: £2,379 GBP|Low: £837 GBP|High: £2,379 GBP|Avg: £1,249 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4£837 GBP
Retailer 2£852 GBP
Retailer 5£947 GBP
Retailer 3£1,184 GBP
Retailer 6£1,740 GBP
Retailer 7£1,764 GBP
MOH London£2,379 GBP

11 data points across 7 retailers

7 retailers£837 GBP to £2,379 GBP

A
Cheapest Retailer
-
£837 GBP
$1,122 USD
A
Retailer 2
-
£852 GBP
View
A
Retailer 3
-
£947 GBP
$1,269 USD
View
B+
Retailer 4
-
£1,184 GBP
ZAR 25,630 ZAR
View
B
Retailer 5
-
£1,740 GBP
$2,331 USD
View
B
Retailer 6
-
£1,764 GBP
$2,364 USD
View
Most Expensive
B
MOH London
LG838614326 · Oct 29
£2,379 GBP
View
6 more retailers have this diamond
Prices start from £837 GBPSave up to £1,542 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
3.54ct Cushion
£837 GBP