Cushion|Lab Grown|IGI

1.55ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG634433285

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG634433285

Diamond specifications and retailer prices

From £551 GBP
$740 USD
As of November 1, 2026
Save £402 GBP (42%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £954 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634433285 or 634433285. Listed at 2 retailers as of October 31, 2026, with prices from £551 to £954, a £402 spread on the same certified stone. Brilliant Earth lists it at £954. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634433285
Dimensions7.78 × 6.16 × 4.17 mm
L/W Ratio1.26
Girdle conditionFaceted
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
7.78 mm6.16 mm1.55 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634433285
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 67.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: £954 GBP|Low: £551 GBP|High: £954 GBP|Avg: £755 GBP
Brilliant Earth
Retailer 2
October 5, 2026
Retailer 2£551 GBP
Brilliant Earth£954 GBP

2 data points across 2 retailers

2 retailers£551 GBP to £954 GBP

B+
Cheapest Retailer
-
£551 GBP
$740 USD
Most Expensive
B
Brilliant Earth
11385761A · Oct 31
£954 GBP
$1,280 USD
View
1 more retailer has this diamond
Prices start from £551 GBPSave up to £402 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+
1.55ct Cushion
£551 GBP