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Cushion|Lab Grown|IGI

1.56ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG811606043

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

Certificate IGI LG811606043

Diamond specifications and retailer prices

From £387 GBP
$518 USD
As of November 1, 2026
Save £1,726 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £2,113 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.56ct lab-grown cushion diamond

This 1.56ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811606043 or 811606043. Listed at 18 retailers as of October 26, 2026, with prices from £387 to £2,113, a £1,726 spread on the same certified stone. MOH London lists it at £2,113. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811606043
Dimensions6.60 × 6.58 × 4.08 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.60 mm6.58 mm1.56 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811606043
Side View
Table 59.0%Crown 34.4°Girdle: STK-THKPavilion 32°Culet: NoneDepth 62.0%

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 1
Current: £2,113 GBP|Low: £387 GBP|High: £2,508 GBP|Avg: £1,066 GBP|-15.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 1, 2026
Retailer 2£387 GBP
Retailer 11£442 GBP
Retailer 5£505 GBP
Retailer 4£582 GBP
Retailer 8£669 GBP
Retailer 9£671 GBP
Retailer 12£705 GBP
Retailer 13£804 GBP
Retailer 6£866 GBP
Retailer 3£868 GBP
Retailer 16£1,177 GBP
Retailer 15£1,402 GBP
Retailer 7£1,467 GBP
Retailer 10£1,519 GBP
Retailer 14£1,606 GBP
MOH London£2,113 GBP

35 data points across 16 retailers

18 retailers£387 GBP to £2,113 GBP

A
Cheapest Retailer
-
£387 GBP
$518 USD
Final sale: no returns
A
Retailer 2
-
£442 GBP
View
Retailer 3
-
£505 GBP
$677 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
£582 GBP
$780 USD
View
A
Retailer 5
-
£669 GBP
$896 USD
View
A
Retailer 6
-
£671 GBP
$899 USD
View
A
Retailer 7
-
£705 GBP
View
A
Retailer 8
-
£804 GBP
€1,026 EUR
View
A
Retailer 9
-
£866 GBP
$1,161 USD
View
A
Retailer 10
-
£868 GBP
ZAR 18,799 ZAR
View
B+
Retailer 11
-
£1,177 GBP
A$2,427 AUD
View
Retailer 12
-
£1,275 GBP
A$2,629 AUD
View
Price last confirmed 121 days ago
B+
Retailer 13
-
£1,402 GBP
$1,879 USD
View
B+
Retailer 14
-
£1,467 GBP
View
B+
Retailer 15
-
£1,519 GBP
$2,035 USD
View
B+
Retailer 16
-
£1,606 GBP
$2,152 USD
View
Retailer 17
-
£2,095 GBP
$2,807 USD
View
Price last confirmed 104 days ago
Most Expensive
B
MOH London
LG811606043 · Oct 26
£2,113 GBP
View
17 more retailers have this diamond
Prices start from £387 GBPSave up to £1,726 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
1.56ct Cushion
£387 GBP