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 $783 USD
As of October 28, 2026
Save $3,617 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,490 USD 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
Color
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: $4,400 USD|Low: $717 USD|High: $6,280 USD|Avg: $2,320 USD|-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$783 USD
Retailer 9$784 USD
Retailer 15$915 USD
Retailer 10$1,188 USD
Retailer 16$1,215 USD
Retailer 11$1,341 USD
Retailer 13$1,367 USD
Retailer 6$1,725 USD
Retailer 17$1,735 USD
Retailer 5$2,316 USD
Retailer 3$2,567 USD
Retailer 2$2,721 USD
Retailer 7$2,826 USD
Retailer 12$3,150 USD
Retailer 4$3,991 USD
Brilliant Earth$4,400 USD
Retailer 8$4,640 USD

26 data points across 17 retailers

19 retailers$783 USD to $4,400 USD

A
Cheapest Retailer
-
$783 USD
Final sale: no returns
Retailer 2
-
$784 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$915 USD
View
A
Retailer 4
-
$1,188 USD
£935 GBP
View
A
Retailer 5
-
$1,215 USD
View
A
Retailer 6
-
$1,341 USD
€1,277 EUR
View
A
Retailer 7
-
$1,367 USD
ZAR 22,076 ZAR
View
A
Retailer 8
-
$1,725 USD
View
A
Retailer 9
-
$1,735 USD
View
B+
Retailer 10
-
$2,316 USD
£1,824 GBP
View
B+
Retailer 11
-
$2,441 USD
View
B+
Retailer 12
-
$2,567 USD
View
B+
Retailer 13
-
$2,721 USD
View
B+
Retailer 14
-
$2,826 USD
SGD 3,819 SGD
View
B+
Retailer 15
-
$3,150 USD
£2,480 GBP
View
B+
Retailer 16
-
$3,991 USD
View
B
Retailer 17
-
$4,400 USD
View
Retailer 18
-
$4,640 USD
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
20987844A · Sep 28
$6,490 USD
View
Price last confirmed 32 days ago
18 more retailers have this diamond
Prices start from $783 USDSave up to $3,617 USD

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
$783 USD