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Cushion|Lab Grown|IGI

1.89ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG754507671

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754507671

Diamond specifications and retailer prices

From $809 CAD
$578 USD
As of October 28, 2026
Save $5,461 CAD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $6,270 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.89ct lab-grown cushion diamond

This 1.89ct 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 LG754507671 or 754507671. Listed at 23 retailers as of October 28, 2026, with prices from $809 to $6,270, a $5,461 spread on the same certified stone. Brilliant Earth lists it at $6,270. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507671
Dimensions6.68 × 6.68 × 4.52 mm
L/W Ratio1.00
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
6.68 mm6.68 mm1.89 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507671
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 67.7%

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: $6,270 CAD|Low: $809 CAD|High: $6,396 CAD|Avg: $3,054 CAD
Brilliant Earth
Retailer 2
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Retailer 23
October 29, 2026
Retailer 6$809 CAD
Retailer 18$950 CAD
Retailer 22$1,129 CAD
Retailer 21$1,160 CAD
Retailer 20$1,169 CAD
Retailer 23$1,260 CAD
Retailer 13$1,377 CAD
Retailer 2$1,380 CAD
Retailer 19$1,535 CAD
Retailer 5$1,717 CAD
Retailer 9$2,095 CAD
Retailer 12$2,308 CAD
Retailer 4$2,843 CAD
Retailer 15$2,858 CAD
Retailer 7$3,027 CAD
Retailer 10$3,069 CAD
Retailer 8$3,256 CAD
Retailer 17$3,749 CAD
Retailer 14$4,583 CAD
Retailer 11$4,598 CAD
Retailer 16$4,987 CAD
Retailer 3$5,794 CAD
Brilliant Earth$6,270 CAD

32 data points across 23 retailers

23 retailers$809 CAD to $6,270 CAD

A
Cheapest Retailer
-
$809 CAD
$578 USD
Final sale: no returns
A
Retailer 2
-
$950 CAD
£535 GBP
View
A
Retailer 3
-
$1,129 CAD
HK$6,300 HKD
View
A
Retailer 4
-
$1,160 CAD
$829 USD
View
A
Retailer 5
-
$1,169 CAD
$835 USD
View
A
Retailer 6
-
$1,260 CAD
$900 USD
View
A
Retailer 7
-
$1,377 CAD
€937 EUR
View
A
Retailer 8
-
$1,380 CAD
£776 GBP
View
A
Retailer 9
-
$1,535 CAD
ZAR 17,721 ZAR
View
A
Retailer 10
-
$1,717 CAD
$1,227 USD
View
A
Retailer 11
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$2,095 CAD
$1,497 USD
View
A
Retailer 12
-
$2,308 CAD
A$2,537 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$2,843 CAD
$2,032 USD
View
B+
Retailer 14
-
$2,858 CAD
£1,608 GBP
View
Price last confirmed 27 days ago
B+
Retailer 15
-
$3,027 CAD
$2,163 USD
View
B+
Retailer 16
-
$3,069 CAD
$2,193 USD
View
B+
Retailer 17
-
$3,256 CAD
SGD 3,144 SGD
View
B+
Retailer 18
-
$3,749 CAD
£2,109 GBP
View
B+
Retailer 19
-
$4,583 CAD
A$5,038 AUD
View
Price last confirmed 20 days ago
B
Retailer 20
-
$4,598 CAD
$3,285 USD
View
Price last confirmed 8 days ago
B
Retailer 21
-
$4,987 CAD
$3,563 USD
View
B
Retailer 22
-
$5,794 CAD
$4,140 USD
View
Most Expensive
B
Brilliant Earth
18668405Y · Oct 29
$6,270 CAD
$4,480 USD
View
22 more retailers have this diamond
Prices start from $809 CADSave up to $5,461 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
1.89ct Cushion
$809 CAD