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Cushion|Lab Grown|IGI

0.55ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG837680393

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

Certificate IGI LG837680393

Diamond specifications and retailer prices

From £183 GBP
$245 USD
As of October 25, 2026
Save £481 GBP (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £663 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.55ct lab-grown cushion diamond

This 0.55ct lab-grown cushion sits in the half to three-quarter carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837680393 or 837680393. Listed at 10 retailers as of October 25, 2026, with prices from £183 to £663, a £481 spread on the same certified stone. MOH London lists it at £663. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837680393
Dimensions4.79 × 4.76 × 3.14 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.79 mm4.76 mm0.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837680393
Side View
Table 64.0%Crown 37.8°Girdle: STK-THKPavilion 39.3°CuletDepth 66.0%

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 25
Current: £663 GBP|Low: £187 GBP|High: £668 GBP|Avg: £357 GBP|+0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5£245 GBP
Retailer 3£246 GBP
Retailer 7£258 GBP
Retailer 2£261 GBP
Retailer 6£269 GBP
Retailer 4£270 GBP
Retailer 8£446 GBP
Retailer 9£495 GBP
MOH London£663 GBP

37 data points across 9 retailers

10 retailers£183 GBP to £663 GBP

A
Cheapest Retailer
-
£183 GBP
$245 USD
B+
Retailer 2
-
£245 GBP
A$506 AUD
View
B+
Retailer 3
-
£246 GBP
View
B+
Retailer 4
-
£258 GBP
$346 USD
View
B+
Retailer 5
-
£261 GBP
$350 USD
View
Retailer 6
-
£269 GBP
$360 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
£270 GBP
€344 EUR
View
B
Retailer 8
-
£455 GBP
$609 USD
View
B
Retailer 9
-
£495 GBP
$664 USD
View
Most Expensive
B
MOH London
LG837680393 · Oct 29
£663 GBP
View
9 more retailers have this diamond
Prices start from £183 GBPSave up to £481 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
0.55ct Cushion
£183 GBP