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Cushion|Lab Grown|IGI

1.94ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG819631048

Shape and cutting style on the report: Square cushion antique cut

Certificate IGI LG819631048

Diamond specifications and retailer prices

From £3,806 GBP
$5,100 USD
As of October 30, 2026
4 retailers carry this diamond
Most expensive: £3,806 GBP at Brilliant Earth
View at Brilliant Earth

About this 1.94ct lab-grown cushion diamond

This 1.94ct 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 LG819631048 or 819631048. Listed at 4 retailers as of October 30, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.94
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819631048
Dimensions7.63 × 7.35 × 4.72 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizeLarge
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
7.63 mm7.35 mm1.94 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819631048
Side View
Table 50.0%Crown 36.3°Girdle: STK-THKPavilion 40.3°Culet: LargeDepth 64.2%

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: £3,806 GBP|Low: £440 GBP|High: £4,321 GBP|Avg: £1,750 GBP|+2.4%
Brilliant Earth
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
Retailer 16
October 30, 2026
Retailer 7£499 GBP
Retailer 12£629 GBP
Retailer 13£791 GBP
Retailer 15£1,003 GBP
Retailer 14£1,019 GBP
Retailer 10£1,094 GBP
Retailer 8£1,576 GBP
Retailer 16£1,808 GBP
Retailer 5£1,978 GBP
Retailer 11£2,012 GBP
Retailer 3£2,158 GBP
Retailer 9£2,255 GBP
Retailer 6£2,525 GBP
Retailer 2£2,679 GBP
Brilliant Earth£3,806 GBP
Retailer 4£4,321 GBP

10 data points across 16 retailers

4 retailers

Retailer 1
-
£552 GBP
$740 USD
Price last confirmed 38 days ago
Retailer 2
-
£631 GBP
$846 USD
View
Price last confirmed 38 days ago
Retailer 3
-
£2,012 GBP
View
Price last confirmed 38 days ago
Most Expensive
B
Brilliant Earth
21591212B · Oct 30
£3,806 GBP
$5,100 USD
View
3 more retailers have this diamond

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
1.94ct Cushion
£3,806 GBP