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Cushion|Lab Grown|IGI

3.54ct G VS1 Cushion Lab Grown Diamond

VG • G/VS1 • IGI LG835685754

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835685754

Diamond specifications and retailer prices

From £405 GBP
$542 USD
As of October 31, 2026
Save £1,479 GBP (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,883 GBP at MOH London · As of October 30, 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 LG835685754 or 835685754. Listed at 12 retailers as of October 30, 2026, with prices from £405 to £1,883, a £1,479 spread on the same certified stone. MOH London lists it at £1,883. 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 angle35.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835685754
Dimensions11.04 × 7.99 × 5.33 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.04 mm7.99 mm3.54 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835685754
Side View
Table 60.0%Crown 35.8°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 66.7%

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 31
Current: £1,883 GBP|Low: £405 GBP|High: £1,896 GBP|Avg: £979 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10£405 GBP
Retailer 11£449 GBP
Retailer 6£501 GBP
Retailer 5£552 GBP
Retailer 12£699 GBP
Retailer 2£739 GBP
Retailer 3£919 GBP
Retailer 7£948 GBP
Retailer 8£974 GBP
Retailer 4£1,463 GBP
Retailer 9£1,678 GBP
MOH London£1,883 GBP

40 data points across 12 retailers

12 retailers£405 GBP to £1,883 GBP

A
Cheapest Retailer
-
£405 GBP
$542 USD
Final sale: no returns
Retailer 2
-
£449 GBP
$601 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£501 GBP
View
A
Retailer 4
-
£552 GBP
$740 USD
View
B+
Retailer 5
-
£699 GBP
$937 USD
View
A
Retailer 6
-
£739 GBP
View
B+
Retailer 7
-
£919 GBP
$1,232 USD
View
A
Retailer 8
-
£948 GBP
A$1,954 AUD
View
A
Retailer 9
-
£974 GBP
ZAR 21,085 ZAR
View
B+
Retailer 10
-
£1,463 GBP
$1,961 USD
View
B
Retailer 11
-
£1,678 GBP
$2,249 USD
View
Most Expensive
B+
MOH London
LG835685754 · Oct 29
£1,883 GBP
View
11 more retailers have this diamond
Prices start from £405 GBPSave up to £1,479 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
£405 GBP