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Cushion|Lab Grown|IGI

1.55ct E VS1 Cushion Lab Grown Diamond

VG • E/VS1 • IGI LG845615586

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

Certificate IGI LG845615586

Diamond specifications and retailer prices

From £318 GBP
$424 USD
As of October 28, 2026
Save £1,069 GBP (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,388 GBP at MOH London · As of October 29, 2026
View at MOH London

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 very-good cut grade and certified by IGI LG845615586 or 845615586. Listed at 17 retailers as of October 28, 2026, with prices from £318 to £1,388, a £1,069 spread on the same certified stone. MOH London lists it at £1,388. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845615586
Dimensions6.69 × 6.64 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.69 mm6.64 mm1.55 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845615586
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £1,388 GBP|Low: £318 GBP|High: £1,388 GBP|Avg: £776 GBP
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 6£318 GBP
Retailer 8£394 GBP
Retailer 13£415 GBP
Retailer 4£442 GBP
Retailer 3£466 GBP
Retailer 14£538 GBP
Retailer 11£569 GBP
Retailer 16£607 GBP
Retailer 2£637 GBP
Retailer 10£811 GBP
Retailer 12£820 GBP
Retailer 7£1,126 GBP
Retailer 15£1,134 GBP
Retailer 9£1,164 GBP
Retailer 5£1,232 GBP
Retailer 17£1,326 GBP
MOH London£1,388 GBP

4 data points across 17 retailers

17 retailers£318 GBP to £1,388 GBP

A
Cheapest Retailer
-
£318 GBP
$424 USD
Final sale: no returns
A
Retailer 2
-
£394 GBP
HK$4,100 HKD
View
A
Retailer 3
-
£415 GBP
View
A
Retailer 4
-
£442 GBP
$588 USD
View
B+
Retailer 5
-
£466 GBP
$620 USD
View
B+
Retailer 6
-
£538 GBP
$717 USD
View
B+
Retailer 7
-
£569 GBP
€722 EUR
View
B+
Retailer 8
-
£607 GBP
ZAR 13,055 ZAR
View
B+
Retailer 9
-
£637 GBP
View
B
Retailer 10
-
£811 GBP
A$1,661 AUD
View
B
Retailer 11
-
£820 GBP
A$1,679 AUD
View
B
Retailer 12
-
£1,126 GBP
SGD 2,027 SGD
View
B
Retailer 13
-
£1,134 GBP
$1,510 USD
View
B
Retailer 14
-
£1,164 GBP
$1,550 USD
View
B
Retailer 15
-
£1,232 GBP
$1,640 USD
View
B
Retailer 16
-
£1,326 GBP
$1,766 USD
View
Most Expensive
B
MOH London
LG845615586 · Oct 29
£1,388 GBP
View
16 more retailers have this diamond
Prices start from £318 GBPSave up to £1,069 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
£318 GBP