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Radiant|Lab Grown|IGI

1.87ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG830620119

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

Certificate IGI LG830620119

Diamond specifications and retailer prices

From $1,054 CAD
$753 USD
As of October 29, 2026
Save $7,330 CAD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,384 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 LG830620119 or 830620119. Listed at 10 retailers as of October 29, 2026, with prices from $1,054 to $8,384, a $7,330 spread on the same certified stone. Brilliant Earth lists it at $8,384. 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 angle40.7°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620119
Dimensions8.40 × 6.21 × 4.23 mm
L/W Ratio1.35
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
8.40 mm6.21 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620119
Side View
Table 67.0%Crown 40.7°Girdle: ThickPavilion 37.5°Culet: NoneDepth 68.1%

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 29
Current: $1,684 CAD|Low: $1,054 CAD|High: $4,048 CAD|Avg: $2,314 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$1,054 CAD
Retailer 7$1,059 CAD
Retailer 6$1,302 CAD
Retailer 1$1,684 CAD
Retailer 3$2,245 CAD
Retailer 9$3,465 CAD
Retailer 4$3,635 CAD
Retailer 8$3,826 CAD
Retailer 2$4,048 CAD

2 data points across 9 retailers

10 retailers$1,054 CAD to $8,384 CAD

A
Cheapest Retailer
-
$1,054 CAD
$753 USD
A
Retailer 2
-
$1,059 CAD
$757 USD
View
Final sale: no returns
A
Retailer 3
-
$1,302 CAD
$930 USD
View
A
Retailer 4
-
$1,684 CAD
£947 GBP
View
B+
Retailer 5
-
$2,245 CAD
$1,604 USD
View
B
Retailer 6
-
$3,465 CAD
$2,476 USD
View
B
Retailer 7
-
$3,635 CAD
$2,597 USD
View
B
Retailer 8
-
$3,826 CAD
SGD 3,694 SGD
View
B
Retailer 9
-
$4,048 CAD
$2,892 USD
View
Most Expensive
B
Brilliant Earth
22348624A · Oct 29
$8,384 CAD
$5,990 USD
View
9 more retailers have this diamond
Prices start from $1,054 CADSave up to $7,330 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
$1,054 CAD