Cushion|Lab Grown|IGI

1.90ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG754508296

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754508296

Diamond specifications and retailer prices

From $4,500 USD
As of October 29, 2026
8 retailers carry this diamond
Most expensive: $4,500 USD at Brilliant Earth
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508296 or 754508296. Listed at 8 retailers as of October 29, 2026. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508296
Dimensions8.16 × 6.63 × 4.45 mm
L/W Ratio1.23
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
8.16 mm6.63 mm1.90 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508296
Side View
Table 59.0%Crown 37.5°Girdle: MED-THKPavilion 36.5°Culet: NoneDepth 67.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $4,500 USD|Low: $646 USD|High: $4,640 USD|Avg: $1,996 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 9, 2026
Retailer 3$646 USD
Retailer 5$877 USD
Retailer 14$1,000 USD
Retailer 10$1,062 USD
Retailer 11$1,084 USD
Retailer 13$1,099 USD
Retailer 15$1,217 USD
Retailer 6$1,250 USD
Retailer 8$1,672 USD
Retailer 7$2,057 USD
Retailer 9$2,409 USD
Retailer 4$2,559 USD
Retailer 17$3,109 USD
Retailer 16$3,180 USD
Retailer 12$3,396 USD
Retailer 18$3,546 USD
Brilliant Earth$4,500 USD
Retailer 2$4,590 USD

21 data points across 18 retailers

8 retailers

Retailer 1
-
$1,062 USD
HK$8,300 HKD
Price last confirmed 57 days ago
Retailer 2
-
$1,217 USD
ZAR 19,656 ZAR
View
Price last confirmed 25 days ago
Retailer 3
-
$1,672 USD
View
Price last confirmed 23 days ago
Retailer 4
-
$2,409 USD
View
Price last confirmed 22 days ago
Retailer 5
-
$2,559 USD
SGD 3,458 SGD
View
Price last confirmed 23 days ago
Retailer 6
-
$3,180 USD
View
Price last confirmed 26 days ago
Retailer 7
-
$3,396 USD
A$5,225 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
18668479Y · Oct 29
$4,500 USD
View
7 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
1.90ct Cushion
$4,500 USD