Radiant|Lab Grown|IGI

1.87ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818681524

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

Certificate IGI LG818681524

Diamond specifications and retailer prices

From $1,316 CAD
$940 USD
As of October 29, 2026
Save $6,998 CAD (84%) vs most expensive(unlock to see where)
13 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 LG818681524 or 818681524. Listed at 13 retailers as of October 29, 2026, with prices from $1,316 to $8,314, a $6,998 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 angle42.8°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818681524
Dimensions8.70 × 6.23 × 4.11 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
8.70 mm6.23 mm1.87 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818681524
Side View
Table 61.0%Crown 42.8°Girdle: MediumPavilion 34°Culet: NoneDepth 66.0%

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: $8,314 CAD|Low: $1,218 CAD|High: $8,664 CAD|Avg: $3,907 CAD|-4.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$1,316 CAD
Retailer 7$1,685 CAD
Retailer 10$1,777 CAD
Retailer 11$1,885 CAD
Retailer 5$1,920 CAD
Retailer 9$2,634 CAD
Retailer 3$3,864 CAD
Retailer 4$4,252 CAD
Retailer 2$4,493 CAD
Retailer 12$6,424 CAD
Retailer 8$7,894 CAD
Brilliant Earth$8,314 CAD

25 data points across 12 retailers

13 retailers$1,316 CAD to $8,314 CAD

Retailer 1
-
$959 CAD
$685 USD
Price last confirmed 13 days ago
Retailer 2
-
$1,043 CAD
$745 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,316 CAD
$940 USD
View
A
Retailer 4
-
$1,685 CAD
$1,204 USD
View
B+
Retailer 5
-
$1,729 CAD
$1,235 USD
View
A
Retailer 6
-
$1,777 CAD
$1,270 USD
View
B+
Retailer 7
-
$2,634 CAD
$1,882 USD
View
Retailer 8
-
$3,127 CAD
$2,234 USD
View
Price last confirmed 13 days ago
Retailer 9
-
$3,864 CAD
$2,761 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
$4,493 CAD
£2,528 GBP
View
Retailer 11
-
$6,424 CAD
$4,590 USD
View
Price last confirmed 15 days ago
B
Retailer 12
-
$7,894 CAD
$5,640 USD
View
Most Expensive
B
Brilliant Earth
22257905Y · Oct 29
$8,314 CAD
$5,940 USD
View
12 more retailers have this diamond
Prices start from $1,316 CADSave up to $6,998 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
$1,316 CAD