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Cushion|Lab Grown|IGI

3.53ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG706571635

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG706571635

Diamond specifications and retailer prices

From £370 GBP
$496 USD
As of October 31, 2026
Save £1,602 GBP (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,972 GBP at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

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 LG706571635 or 706571635. Listed at 16 retailers as of October 30, 2026, with prices from £370 to £1,972, a £1,602 spread on the same certified stone. Diamond Exchange Canada lists it at £1,972. 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 angle32.7°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706571635
Dimensions10.94 × 8.01 × 5.38 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.94 mm8.01 mm3.53 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706571635
Side View
Table 59.0%Crown 32.7°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 67.2%

Caratlytics Score

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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: £1,537 GBP|Low: £370 GBP|High: £1,637 GBP|Avg: £922 GBP|-6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 5£370 GBP
Retailer 8£458 GBP
Retailer 12£519 GBP
Retailer 13£583 GBP
Retailer 7£645 GBP
Retailer 6£679 GBP
Retailer 9£867 GBP
Retailer 11£891 GBP
Retailer 2£934 GBP
Retailer 3£1,194 GBP
Retailer 4£1,471 GBP
Retailer 10£1,517 GBP
Retailer 1£1,537 GBP

40 data points across 13 retailers

16 retailers£370 GBP to £1,972 GBP

A
Cheapest Retailer
-
£370 GBP
$496 USD
Final sale: no returns
A
Retailer 2
-
£458 GBP
View
A
Retailer 3
-
£519 GBP
$695 USD
View
A
Retailer 4
-
£583 GBP
HK$6,100 HKD
View
B+
Retailer 5
-
£645 GBP
$864 USD
View
A
Retailer 6
-
£679 GBP
View
A
Retailer 7
-
£867 GBP
A$1,788 AUD
View
A
Retailer 8
-
£891 GBP
ZAR 19,291 ZAR
View
A
Retailer 9
-
£906 GBP
$1,214 USD
View
A
Retailer 10
-
£934 GBP
$1,252 USD
View
A
Retailer 11
-
£1,194 GBP
View
B+
Retailer 12
-
£1,344 GBP
$1,801 USD
View
B+
Retailer 13
-
£1,471 GBP
$1,971 USD
View
B+
Retailer 14
-
£1,517 GBP
View
B+
Retailer 15
-
£1,537 GBP
$2,059 USD
View
Most Expensive
B+
Diamond Exchange Canada
1950269858 · Oct 30
£1,972 GBP
CA$3,669 CAD
View
15 more retailers have this diamond
Prices start from £370 GBPSave up to £1,602 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
£370 GBP