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Cushion|Lab Grown|IGI

1.55ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG662455619

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG662455619

Diamond specifications and retailer prices

From £216 GBP
$287 USD
As of October 28, 2026
Save £817 GBP (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,032 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662455619 or 662455619. Listed at 17 retailers as of October 28, 2026, with prices from £216 to £1,032, a £817 spread on the same certified stone. Reve Diamonds lists it at £1,032. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662455619
Dimensions6.72 × 6.63 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.72 mm6.63 mm1.55 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662455619
Side View
Table 61.0%Crown 36.6°Girdle: MED-STKPavilion 39°Culet: NoneDepth 67.3%

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 28
Current: £456 GBP|Low: £178 GBP|High: £1,032 GBP|Avg: £545 GBP|+30.8%
Retailer 1
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Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
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Retailer 17
Reve Diamonds
October 29, 2026
Retailer 6£216 GBP
Retailer 16£239 GBP
Retailer 8£271 GBP
Retailer 15£327 GBP
Retailer 10£364 GBP
Retailer 7£399 GBP
Retailer 4£409 GBP
Retailer 11£411 GBP
Retailer 1£456 GBP
Retailer 2£494 GBP
Retailer 12£557 GBP
Retailer 9£721 GBP
Retailer 14£770 GBP
Retailer 5£807 GBP
Retailer 17£858 GBP
Retailer 3£941 GBP
Retailer 13£959 GBP
Reve Diamonds£1,032 GBP

39 data points across 18 retailers

17 retailers£216 GBP to £1,032 GBP

A
Cheapest Retailer
-
£216 GBP
$287 USD
Final sale: no returns
A
Retailer 2
-
£239 GBP
$318 USD
View
Retailer 3
-
£271 GBP
View
Price last confirmed 20 days ago
A
Retailer 4
-
£327 GBP
$435 USD
View
A
Retailer 5
-
£364 GBP
€462 EUR
View
A
Retailer 6
-
£399 GBP
$531 USD
View
A
Retailer 7
-
£409 GBP
$545 USD
View
A
Retailer 8
-
£411 GBP
ZAR 8,836 ZAR
View
B+
Retailer 9
-
£456 GBP
View
B+
Retailer 10
-
£494 GBP
$658 USD
View
B+
Retailer 11
-
£557 GBP
A$1,142 AUD
View
Retailer 12
-
£770 GBP
$1,025 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
£807 GBP
$1,075 USD
View
B
Retailer 14
-
£858 GBP
$1,143 USD
View
B
Retailer 15
-
£941 GBP
$1,253 USD
View
B
Retailer 16
-
£959 GBP
View
Most Expensive
B
Reve Diamonds
D3C138ADA · Oct 28
£1,032 GBP
$1,375 USD
View
16 more retailers have this diamond
Prices start from £216 GBPSave up to £817 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
£216 GBP