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Cushion|Lab Grown|IGI

1.55ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG799649637

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG799649637

Diamond specifications and retailer prices

From £226 GBP
$301 USD
As of October 30, 2026
Save £836 GBP (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,062 GBP at Reve Diamonds · As of October 30, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG799649637 or 799649637. Listed at 19 retailers as of October 30, 2026, with prices from £226 to £1,062, a £836 spread on the same certified stone. Reve Diamonds lists it at £1,062. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799649637
Dimensions6.70 × 6.36 × 4.43 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.70 mm6.36 mm1.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799649637
Side View
Table 63.0%Crown 35.2°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 69.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £415 GBP|Low: £251 GBP|High: £1,036 GBP|Avg: £664 GBP|+4.7%
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
Retailer 14
Retailer 15
October 30, 2026
Retailer 15£251 GBP
Retailer 14£338 GBP
Retailer 10£408 GBP
Retailer 1£415 GBP
Retailer 12£430 GBP
Retailer 7£448 GBP
Retailer 9£481 GBP
Retailer 13£582 GBP
Retailer 3£641 GBP
Retailer 5£808 GBP
Retailer 8£934 GBP
Retailer 4£963 GBP
Retailer 6£973 GBP
Retailer 11£1,009 GBP
Retailer 2£1,021 GBP

37 data points across 15 retailers

19 retailers£226 GBP to £1,062 GBP

A
Cheapest Retailer
-
£226 GBP
$301 USD
Final sale: no returns
A
Retailer 2
-
£251 GBP
$334 USD
View
A
Retailer 3
-
£338 GBP
$450 USD
View
A
Retailer 4
-
£408 GBP
€518 EUR
View
A
Retailer 5
-
£415 GBP
$553 USD
View
A
Retailer 6
-
£430 GBP
ZAR 9,259 ZAR
View
A
Retailer 7
-
£448 GBP
$597 USD
View
A
Retailer 8
-
£481 GBP
View
A
Retailer 9
-
£493 GBP
$656 USD
View
B+
Retailer 10
-
£582 GBP
A$1,193 AUD
View
B+
Retailer 11
-
£641 GBP
$853 USD
View
B+
Retailer 12
-
£808 GBP
SGD 1,454 SGD
View
B+
Retailer 13
-
£844 GBP
$1,123 USD
View
B
Retailer 14
-
£920 GBP
$1,225 USD
View
B+
Retailer 15
-
£934 GBP
A$1,914 AUD
View
B+
Retailer 16
-
£963 GBP
$1,283 USD
View
B
Retailer 17
-
£1,009 GBP
View
Retailer 18
-
£1,021 GBP
$1,360 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Reve Diamonds
39C7B2D8F · Oct 30
£1,062 GBP
$1,414 USD
View
18 more retailers have this diamond
Prices start from £226 GBPSave up to £836 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
£226 GBP