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Radiant|Lab Grown|IGI

1.87ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG846662590

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

Certificate IGI LG846662590

Diamond specifications and retailer prices

From $889 CAD
$635 USD
As of October 30, 2026
Save $7,425 CAD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,314 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.87ct lab-grown radiant diamond

This 1.87ct 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 LG846662590 or 846662590. Listed at 15 retailers as of October 29, 2026, with prices from $889 to $8,314, a $7,425 spread on the same certified stone. Brilliant Earth lists it at $8,314. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662590
Dimensions8.80 × 6.21 × 3.98 mm
L/W Ratio1.42
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
8.80 mm6.21 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662590
Side View
Table 63.0%Crown 40°Girdle: MediumPavilion 33.9°Culet: NoneDepth 64.1%

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: $8,314 CAD|Low: $889 CAD|High: $8,398 CAD|Avg: $3,387 CAD|-1.0%
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
October 30, 2026
Retailer 11$889 CAD
Retailer 6$967 CAD
Retailer 13$1,268 CAD
Retailer 3$1,281 CAD
Retailer 2$1,291 CAD
Retailer 12$1,685 CAD
Retailer 16$1,777 CAD
Retailer 10$1,920 CAD
Retailer 15$2,634 CAD
Retailer 5$3,063 CAD
Retailer 4$3,201 CAD
Retailer 7$4,392 CAD
Retailer 9$4,493 CAD
Retailer 8$5,323 CAD
Retailer 14$7,894 CAD
Brilliant Earth$8,314 CAD

9 data points across 16 retailers

15 retailers$889 CAD to $8,314 CAD

A
Cheapest Retailer
-
$889 CAD
$635 USD
A
Retailer 2
-
$967 CAD
$691 USD
View
A
Retailer 3
-
$1,268 CAD
$906 USD
View
A
Retailer 4
-
$1,281 CAD
$915 USD
View
A
Retailer 5
-
$1,291 CAD
£726 GBP
View
A
Retailer 6
-
$1,685 CAD
$1,204 USD
View
A
Retailer 7
-
$1,729 CAD
$1,235 USD
View
A
Retailer 8
-
$1,777 CAD
$1,270 USD
View
B+
Retailer 9
-
$2,634 CAD
$1,882 USD
View
B+
Retailer 10
-
$3,063 CAD
$2,188 USD
View
B+
Retailer 11
-
$3,201 CAD
$2,287 USD
View
Retailer 12
-
$4,392 CAD
$3,138 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
$4,493 CAD
£2,528 GBP
View
B
Retailer 14
-
$7,894 CAD
$5,640 USD
View
Most Expensive
B
Brilliant Earth
22257763Y · Oct 29
$8,314 CAD
$5,940 USD
View
14 more retailers have this diamond
Prices start from $889 CADSave up to $7,425 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
1.87ct Radiant
$889 CAD