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Cushion|Lab Grown|IGI

1.96ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG811638578

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

Certificate IGI LG811638578

Diamond specifications and retailer prices

From £584 GBP
$783 USD
As of October 28, 2026
Save £2,699 GBP (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,844 GBP at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.96ct lab-grown cushion diamond

This 1.96ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638578 or 811638578. Listed at 19 retailers as of October 28, 2026, with a 462% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.96
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638578
Dimensions7.37 × 7.03 × 4.66 mm
L/W Ratio1.05
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
7.37 mm7.03 mm1.96 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638578
Side View
Table 58.0%Crown 36.9°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 66.3%

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: Oct 28
Current: £3,284 GBP|Low: £535 GBP|High: £4,687 GBP|Avg: £1,732 GBP|-29.9%
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
Retailer 17
October 30, 2026
Retailer 14£584 GBP
Retailer 9£585 GBP
Retailer 15£683 GBP
Retailer 10£887 GBP
Retailer 16£907 GBP
Retailer 11£1,001 GBP
Retailer 13£1,020 GBP
Retailer 6£1,287 GBP
Retailer 17£1,295 GBP
Retailer 5£1,729 GBP
Retailer 3£1,916 GBP
Retailer 2£2,031 GBP
Retailer 7£2,109 GBP
Retailer 12£2,351 GBP
Retailer 4£2,979 GBP
Brilliant Earth£3,284 GBP
Retailer 8£3,463 GBP

26 data points across 17 retailers

19 retailers£584 GBP to £3,284 GBP

A
Cheapest Retailer
-
£584 GBP
$783 USD
Final sale: no returns
Retailer 2
-
£585 GBP
$784 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£683 GBP
$915 USD
View
A
Retailer 4
-
£887 GBP
View
A
Retailer 5
-
£907 GBP
$1,215 USD
View
A
Retailer 6
-
£1,001 GBP
€1,277 EUR
View
A
Retailer 7
-
£1,020 GBP
ZAR 22,076 ZAR
View
A
Retailer 8
-
£1,287 GBP
$1,725 USD
View
A
Retailer 9
-
£1,295 GBP
$1,735 USD
View
B+
Retailer 10
-
£1,729 GBP
View
B+
Retailer 11
-
£1,822 GBP
$2,441 USD
View
B+
Retailer 12
-
£1,916 GBP
$2,567 USD
View
B+
Retailer 13
-
£2,031 GBP
$2,721 USD
View
B+
Retailer 14
-
£2,109 GBP
SGD 3,819 SGD
View
B+
Retailer 15
-
£2,351 GBP
View
B+
Retailer 16
-
£2,979 GBP
$3,991 USD
View
B
Retailer 17
-
£3,284 GBP
$4,400 USD
View
Retailer 18
-
£3,463 GBP
$4,640 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
20987844A · Sep 28
£4,844 GBP
$6,490 USD
View
Price last confirmed 32 days ago
18 more retailers have this diamond
Prices start from £584 GBPSave up to £2,699 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
1.96ct Cushion
£584 GBP