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Cushion|Lab Grown|IGI

3.53ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG835603042

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835603042

Diamond specifications and retailer prices

From £592 GBP
HK$6,200 HKD
As of October 31, 2026
Save £2,020 GBP (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,612 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.53ct lab-grown cushion diamond

This 3.53ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835603042 or 835603042. Listed at 10 retailers as of October 31, 2026, with prices from £592 to £2,612, a £2,020 spread on the same certified stone. Brilliant Earth lists it at £2,612. 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

3.53
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835603042
Dimensions10.75 × 8.02 × 5.39 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.75 mm8.02 mm3.53 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835603042
Side View
Table 63.0%Crown 32°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 67.2%

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 31
Current: £2,612 GBP|Low: £592 GBP|High: £2,694 GBP|Avg: £1,442 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10£592 GBP
Retailer 3£611 GBP
Retailer 9£766 GBP
Retailer 6£842 GBP
Retailer 5£843 GBP
Retailer 4£1,158 GBP
Retailer 8£1,719 GBP
Retailer 2£2,382 GBP
Retailer 7£2,394 GBP
Brilliant Earth£2,612 GBP

31 data points across 10 retailers

10 retailers£592 GBP to £2,612 GBP

A
Cheapest Retailer
-
£592 GBP
HK$6,200 HKD
A
Retailer 2
-
£611 GBP
View
A
Retailer 3
-
£766 GBP
$1,027 USD
View
A
Retailer 4
-
£842 GBP
$1,128 USD
View
A
Retailer 5
-
£843 GBP
$1,130 USD
View
A
Retailer 6
-
£1,158 GBP
A$2,388 AUD
View
B+
Retailer 7
-
£1,719 GBP
SGD 3,112 SGD
View
B
Retailer 8
-
£2,382 GBP
View
B
Retailer 9
-
£2,394 GBP
$3,208 USD
View
Most Expensive
B
Brilliant Earth
21196760A · Oct 31
£2,612 GBP
$3,500 USD
View
9 more retailers have this diamond
Prices start from £592 GBPSave up to £2,020 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
3.53ct Cushion
£592 GBP