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Cushion|Lab Grown|IGI

1.83ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG775608156

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG775608156

Diamond specifications and retailer prices

From £3,623 GBP
$4,855 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: £3,623 GBP at Shane Co
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Shane Co

About this 1.83ct lab-grown cushion diamond

This 1.83ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG775608156 or 775608156. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775608156
Dimensions8.74 × 6.20 × 4.00 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
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
8.74 mm6.20 mm1.83 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775608156
Side View
Table 60.0%Crown 31.5°Girdle: MED-THKPavilion 30.9°Culet: NoneDepth 64.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £422 GBP|Low: £260 GBP|High: £4,329 GBP|Avg: £1,487 GBP
Retailer 1
Retailer 2
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Retailer 5
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Retailer 12
Shane Co
September 18, 2026
Retailer 8£365 GBP
Retailer 1£422 GBP
Retailer 4£922 GBP
Retailer 9£949 GBP
Retailer 6£952 GBP
Retailer 12£989 GBP
Retailer 11£1,289 GBP
Retailer 7£1,930 GBP
Retailer 10£1,998 GBP
Retailer 2£2,184 GBP
Retailer 3£2,190 GBP
Shane Co£3,623 GBP
Retailer 5£4,329 GBP

39 data points across 13 retailers

1 retailer

B
Shane Co
26E0TTH · Oct 30
£3,623 GBP
$4,855 USD
View

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.

B
1.83ct Cushion
£3,623 GBP