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Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG846663699

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG846663699

Diamond specifications and retailer prices

From $948 CAD
£534 GBP
As of October 30, 2026
Save $4,975 CAD (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,923 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG846663699 or 846663699. Listed at 8 retailers as of October 30, 2026, with prices from $948 to $5,923, a $4,975 spread on the same certified stone. Brilliant Earth lists it at $5,923. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663699
Dimensions8.85 × 6.31 × 3.95 mm
L/W Ratio1.40
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
8.85 mm6.31 mm1.89 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663699
Side View
Table 62.0%Crown 35.8°Girdle: STK-THKPavilion 33.5°Culet: NoneDepth 62.6%

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: $5,923 CAD|Low: $948 CAD|High: $5,923 CAD|Avg: $2,851 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$948 CAD
Retailer 3$1,387 CAD
Retailer 6$1,397 CAD
Retailer 8$2,382 CAD
Retailer 2$3,068 CAD
Retailer 5$3,346 CAD
Retailer 7$4,531 CAD
Brilliant Earth$5,923 CAD

5 data points across 8 retailers

8 retailers$948 CAD to $5,923 CAD

A
Cheapest Retailer
-
$948 CAD
£534 GBP
A
Retailer 2
-
$1,387 CAD
$993 USD
View
A
Retailer 3
-
$1,397 CAD
$1,000 USD
View
B+
Retailer 4
-
$2,382 CAD
$1,705 USD
View
B+
Retailer 5
-
$3,068 CAD
$2,196 USD
View
B+
Retailer 6
-
$3,346 CAD
$2,395 USD
View
B
Retailer 7
-
$4,531 CAD
£2,554 GBP
View
Most Expensive
B
Brilliant Earth
22319380A · Oct 30
$5,923 CAD
$4,240 USD
View
7 more retailers have this diamond
Prices start from $948 CADSave up to $4,975 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
$948 CAD