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Heart|Lab Grown|IGI

1.91ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632387

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632387

Diamond specifications and retailer prices

From $1,143 CAD
$818 USD
As of October 30, 2026
Save $5,199 CAD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,342 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.91ct lab-grown heart diamond

This 1.91ct lab-grown heart 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 LG840632387 or 840632387. Listed at 20 retailers as of October 30, 2026, with prices from $1,143 to $6,342, a $5,199 spread on the same certified stone. Brilliant Earth lists it at $6,342. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632387
Dimensions7.46 × 8.58 × 5.11 mm
L/W Ratio1.15
Girdle conditionFaceted
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
7.46 mm8.58 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632387
Side View
Table 58.0%Crown 37.2°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 59.6%

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: $6,342 CAD|Low: $1,143 CAD|High: $8,563 CAD|Avg: $3,108 CAD|-25.9%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 6$1,143 CAD
Retailer 3$1,243 CAD
Retailer 16$1,326 CAD
Retailer 9$1,377 CAD
Retailer 11$1,474 CAD
Retailer 13$1,503 CAD
Retailer 17$1,572 CAD
Retailer 5$1,673 CAD
Retailer 14$2,035 CAD
Retailer 7$2,134 CAD
Retailer 20$2,403 CAD
Retailer 15$2,436 CAD
Retailer 8$3,047 CAD
Retailer 18$3,727 CAD
Retailer 2$4,360 CAD
Retailer 4$4,588 CAD
Retailer 19$4,974 CAD
Retailer 12$5,248 CAD
Retailer 10$5,635 CAD
Brilliant Earth$6,342 CAD

21 data points across 20 retailers

20 retailers$1,143 CAD to $6,342 CAD

A
Cheapest Retailer
-
$1,143 CAD
$818 USD
A
Retailer 2
-
$1,243 CAD
$890 USD
View
A
Retailer 3
-
$1,326 CAD
$949 USD
View
Retailer 4
-
$1,377 CAD
$986 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,474 CAD
$1,055 USD
View
Final sale: no returns
A
Retailer 6
-
$1,503 CAD
£847 GBP
View
A
Retailer 7
-
$1,572 CAD
$1,125 USD
View
A
Retailer 8
-
$1,673 CAD
$1,198 USD
View
A
Retailer 9
-
$2,035 CAD
£1,147 GBP
View
B+
Retailer 10
-
$2,134 CAD
$1,528 USD
View
B+
Retailer 11
-
$2,403 CAD
$1,720 USD
View
B+
Retailer 12
-
$2,436 CAD
ZAR 28,174 ZAR
View
B+
Retailer 13
-
$3,047 CAD
$2,181 USD
View
B+
Retailer 14
-
$3,727 CAD
$2,668 USD
View
B
Retailer 15
-
$4,360 CAD
$3,121 USD
View
B
Retailer 16
-
$4,588 CAD
$3,284 USD
View
B
Retailer 17
-
$4,974 CAD
£2,804 GBP
View
B
Retailer 18
-
$5,248 CAD
SGD 5,077 SGD
View
B
Retailer 19
-
$5,635 CAD
$4,034 USD
View
Most Expensive
B
Brilliant Earth
21738367A · Oct 30
$6,342 CAD
$4,540 USD
View
19 more retailers have this diamond
Prices start from $1,143 CADSave up to $5,199 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
1.91ct Heart
$1,143 CAD