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Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

EX • D/FL

Diamond specifications and retailer prices

From $775 CAD
$555 USD
As of October 30, 2026
Save $4,766 CAD (86%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,542 CAD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.89ct lab-grown radiant diamond

This 1.89ct lab-grown radiant 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. Listed at 5 retailers as of October 29, 2026, with prices from $775 to $5,542, a $4,766 spread on the same certified stone. Blue Nile lists it at $5,542. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.50 × 6.21 × 4.31 mm
L/W Ratio1.37
Top View
8.50 mm6.21 mm1.89 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.0%CrownGirdle: MediumPavilionCulet: NoneDepth 69.4%

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 30
Current: $5,542 CAD|Low: $775 CAD|High: $7,211 CAD|Avg: $3,181 CAD|+8.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2$775 CAD
Retailer 5$869 CAD
Retailer 3$1,299 CAD
Retailer 4$2,792 CAD
Blue Nile$5,542 CAD
Retailer 6$7,211 CAD

9 data points across 6 retailers

5 retailers$775 CAD to $5,542 CAD

A
Cheapest Retailer
-
$775 CAD
$555 USD
A
Retailer 2
-
$869 CAD
$622 USD
View
A
Retailer 3
-
$1,299 CAD
$930 USD
View
B+
Retailer 4
-
$2,792 CAD
$1,999 USD
View
Most Expensive
B
Blue Nile
30353459 · Oct 29
$5,542 CAD
$3,967 USD
View
4 more retailers have this diamond
Prices start from $775 CADSave up to $4,766 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 Radiant
$775 CAD