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Cushion|Lab Grown|IGI

3.55ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG526268214

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG526268214

Diamond specifications and retailer prices

From £3,396 GBP
$4,550 USD
As of October 31, 2026
11 retailers carry this diamond
Most expensive: £23,192 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 3.55ct lab-grown cushion diamond

This 3.55ct 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 LG526268214 or 526268214. Listed at 11 retailers as of October 31, 2026. 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

3.55
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526268214
Dimensions8.63 × 8.22 × 5.57 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
8.63 mm8.22 mm3.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526268214
Side View
Table 62.5%Crown 32.7°Girdle: STK-VTKPavilion 33.7°Culet: NoneDepth 67.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £23,192 GBP|Low: £3,396 GBP|High: £26,115 GBP|Avg: £14,270 GBP|-9.1%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7£3,396 GBP
Retailer 3£9,208 GBP
Retailer 9£9,643 GBP
Retailer 6£9,987 GBP
Retailer 8£10,652 GBP
Retailer 2£11,904 GBP
Retailer 10£14,309 GBP
Retailer 4£15,414 GBP
Retailer 5£23,002 GBP
Cape Diamonds£23,192 GBP
Retailer 11£26,115 GBP

35 data points across 11 retailers

11 retailers

B
Cheapest Retailer
-
£3,396 GBP
$4,550 USD
Retailer 2
-
£9,208 GBP
$12,338 USD
View
Price under review
Most Expensive
Cape Diamonds
cert_526268214 · Oct 29
£23,192 GBP
ZAR 502,015 ZAR
View
Price under review
2 more retailers have this diamond
Prices start from £3,396 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.

B
3.55ct Cushion
£3,396 GBP