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Cushion|Lab Grown|IGI

1.90ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG675592990

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG675592990

Diamond specifications and retailer prices

From $645 CAD
$459 USD
As of October 28, 2026
Save $5,676 CAD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,321 CAD at Brilliant Earth · As of October 28, 2026
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 LG675592990 or 675592990. Listed at 22 retailers as of October 28, 2026, with prices from $645 to $6,321, a $5,676 spread on the same certified stone. Brilliant Earth lists it at $6,321. 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 angle31.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675592990
Dimensions8.73 × 6.63 × 4.41 mm
L/W Ratio1.32
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
8.73 mm6.63 mm1.90 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675592990
Side View
Table 61.0%Crown 31.2°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
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: $6,321 CAD|Low: $645 CAD|High: $6,518 CAD|Avg: $2,459 CAD|-3.0%
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
Retailer 18
Retailer 19
Retailer 20
October 29, 2026
Retailer 8$645 CAD
Retailer 4$714 CAD
Retailer 20$838 CAD
Retailer 16$971 CAD
Retailer 5$1,023 CAD
Retailer 15$1,025 CAD
Retailer 3$1,076 CAD
Retailer 14$1,299 CAD
Retailer 13$1,355 CAD
Retailer 19$1,725 CAD
Retailer 17$1,850 CAD
Retailer 7$2,605 CAD
Retailer 10$2,648 CAD
Retailer 11$2,743 CAD
Retailer 9$2,786 CAD
Retailer 2$2,911 CAD
Retailer 12$3,275 CAD
Retailer 18$4,418 CAD
Retailer 6$5,113 CAD
Brilliant Earth$6,321 CAD

28 data points across 20 retailers

22 retailers$645 CAD to $6,321 CAD

A
Cheapest Retailer
-
$645 CAD
$459 USD
Final sale: no returns
A
Retailer 2
-
$714 CAD
$508 USD
View
A
Retailer 3
-
$838 CAD
£470 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
$971 CAD
HK$5,400 HKD
View
A
Retailer 5
-
$1,023 CAD
$728 USD
View
A
Retailer 6
-
$1,025 CAD
$730 USD
View
A
Retailer 7
-
$1,076 CAD
$766 USD
View
A
Retailer 8
-
$1,299 CAD
£728 GBP
View
A
Retailer 9
-
$1,355 CAD
ZAR 15,582 ZAR
View
A
Retailer 10
-
$1,725 CAD
$1,228 USD
View
A
Retailer 11
-
$1,850 CAD
A$2,026 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$2,605 CAD
$1,855 USD
View
A
Retailer 13
-
$2,648 CAD
$1,885 USD
View
B+
Retailer 14
-
$2,743 CAD
$1,953 USD
View
B+
Retailer 15
-
$2,786 CAD
SGD 2,680 SGD
View
B+
Retailer 16
-
$2,911 CAD
£1,632 GBP
View
B+
Retailer 17
-
$3,275 CAD
£1,836 GBP
View
Price last confirmed 14 days ago
B+
Retailer 18
-
$4,418 CAD
$3,145 USD
View
Price last confirmed 8 days ago
B
Retailer 19
-
$4,995 CAD
£2,800 GBP
View
B
Retailer 20
-
$5,027 CAD
$3,579 USD
View
Price last confirmed 80 days ago
B
Retailer 21
-
$5,113 CAD
$3,640 USD
View
Most Expensive
B
Brilliant Earth
20152130Y · Oct 28
$6,321 CAD
$4,500 USD
View
21 more retailers have this diamond
Prices start from $645 CADSave up to $5,676 CAD

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
$645 CAD