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Cushion|Lab Grown|IGI

1.55ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG634499999

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG634499999

Diamond specifications and retailer prices

From £276 GBP
As of November 4, 2026
Save £838 GBP (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,114 GBP at Brilliant Earth · As of November 4, 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634499999 or 634499999. Listed at 12 retailers as of November 4, 2026, with prices from £276 to £1,114, a £838 spread on the same certified stone. Brilliant Earth lists it at £1,114. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634499999
Dimensions6.79 × 6.71 × 4.45 mm
L/W Ratio1.01
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
6.79 mm6.71 mm1.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634499999
Side View
Table 63.0%Crown 36.9°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 66.3%

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: Nov 4
Current: £1,114 GBP|Low: £176 GBP|High: £1,278 GBP|Avg: £555 GBP|-6.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 5£176 GBP
Retailer 8£276 GBP
Retailer 11£314 GBP
Retailer 13£379 GBP
Retailer 10£381 GBP
Retailer 6£426 GBP
Retailer 12£450 GBP
Retailer 9£602 GBP
Retailer 3£695 GBP
Retailer 4£783 GBP
Retailer 2£892 GBP
Retailer 7£906 GBP
Brilliant Earth£1,114 GBP

40 data points across 13 retailers

12 retailers£276 GBP to £1,114 GBP

A
Cheapest Retailer
-
£276 GBP
A
Retailer 2
-
£314 GBP
View
A
Retailer 3
-
£379 GBP
View
A
Retailer 4
-
£381 GBP
View
A
Retailer 5
-
£426 GBP
View
A
Retailer 6
-
£450 GBP
View
B+
Retailer 7
-
£602 GBP
View
Retailer 8
-
£695 GBP
View
Price last confirmed 18 days ago
B+
Retailer 9
-
£783 GBP
View
B
Retailer 10
-
£892 GBP
View
B
Retailer 11
-
£906 GBP
View
Most Expensive
B
Brilliant Earth
10435442A · Nov 4
£1,114 GBP
$1,500 USD
View
11 more retailers have this diamond
Prices start from £276 GBPSave up to £838 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
1.55ct Cushion
£276 GBP