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Cushion|Lab Grown|IGI

1.90ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG811638094

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811638094

Diamond specifications and retailer prices

From $694 USD
As of October 30, 2026
Save $3,566 USD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,505 USD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.9ct lab-grown cushion diamond

This 1.9ct 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 LG811638094 or 811638094. Listed at 17 retailers as of October 30, 2026, with a 514% 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

1.90
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638094
Dimensions9.11 × 6.11 × 4.19 mm
L/W Ratio1.49
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
9.11 mm6.11 mm1.90 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638094
Side View
Table 62.0%Crown 34°Girdle: MED-THKPavilion 33.8°Culet: NoneDepth 68.6%

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 30
Current: $4,505 USD|Low: $689 USD|High: $6,100 USD|Avg: $2,247 USD|-1.2%
Rare Carat
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 12$694 USD
Retailer 8$816 USD
Retailer 13$880 USD
Retailer 15$1,171 USD
Retailer 9$1,196 USD
Retailer 10$1,222 USD
Retailer 11$1,313 USD
Retailer 16$1,637 USD
Retailer 6$1,657 USD
Retailer 4$2,225 USD
Retailer 5$2,437 USD
Retailer 3$2,468 USD
Retailer 7$2,524 USD
Retailer 14$3,320 USD
Retailer 2$4,260 USD
Rare Carat$4,505 USD

27 data points across 16 retailers

17 retailers$694 USD to $4,260 USD

A
Cheapest Retailer
-
$694 USD
Final sale: no returns
Retailer 2
-
$816 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$880 USD
View
A
Retailer 4
-
$1,171 USD
View
A
Retailer 5
-
$1,196 USD
£942 GBP
View
A
Retailer 6
-
$1,222 USD
€1,164 EUR
View
A
Retailer 7
-
$1,313 USD
ZAR 21,205 ZAR
View
A
Retailer 8
-
$1,637 USD
View
A
Retailer 9
-
$1,657 USD
View
B+
Retailer 10
-
$2,225 USD
£1,752 GBP
View
B+
Retailer 11
-
$2,344 USD
View
B+
Retailer 12
-
$2,437 USD
View
B+
Retailer 13
-
$2,468 USD
View
B+
Retailer 14
-
$2,524 USD
SGD 3,411 SGD
View
B+
Retailer 15
-
$3,320 USD
£2,614 GBP
View
B
Retailer 16
-
$4,260 USD
View
Most Expensive
Rare Carat
PD0946380JJ811 · Oct 21
$4,505 USD
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from $694 USDSave up to $3,566 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
1.90ct Cushion
$694 USD