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Heart|Lab Grown|IGI

3.31ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG784646951

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784646951

Diamond specifications and retailer prices

From $3,062 CAD
$2,192 USD
As of October 30, 2026
Save $18,003 CAD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $21,065 CAD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 3.31ct lab-grown heart diamond

This 3.31ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784646951 or 784646951. Listed at 12 retailers as of October 30, 2026, with prices from $3,062 to $21,065, a $18,003 spread on the same certified stone. Do Amore Diamonds lists it at $21,065. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.31
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784646951
Dimensions10.10 × 8.89 × 6.14 mm
L/W Ratio1.14
Girdle conditionFaceted
Culet sizePointed
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
10.10 mm8.89 mm3.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784646951
Side View
Table 58.0%Crown 36.7°Girdle: Slightly ThickPavilion 39.5°Culet: NoneDepth 60.8%

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: $21,065 CAD|Low: $3,062 CAD|High: $25,172 CAD|Avg: $8,729 CAD|-16.3%
Do Amore Diamonds
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
November 1, 2026
Retailer 12$3,062 CAD
Retailer 14$3,425 CAD
Retailer 9$3,597 CAD
Retailer 10$3,786 CAD
Retailer 11$4,073 CAD
Retailer 4$4,322 CAD
Retailer 8$5,389 CAD
Retailer 7$5,550 CAD
Retailer 13$5,596 CAD
Retailer 5$8,306 CAD
Retailer 2$10,499 CAD
Retailer 6$13,764 CAD
Retailer 3$20,479 CAD
Do Amore Diamonds$21,065 CAD

29 data points across 14 retailers

12 retailers$3,062 CAD to $21,065 CAD

A
Cheapest Retailer
-
$3,062 CAD
$2,192 USD
A
Retailer 2
-
$3,425 CAD
$2,452 USD
View
A
Retailer 3
-
$3,597 CAD
$2,575 USD
View
A
Retailer 4
-
$3,786 CAD
$2,710 USD
View
A
Retailer 5
-
$4,073 CAD
$2,916 USD
View
A
Retailer 6
-
$4,322 CAD
$3,094 USD
View
Final sale: no returns
A
Retailer 7
-
$5,389 CAD
$3,858 USD
View
A
Retailer 8
-
$5,550 CAD
$3,973 USD
View
A
Retailer 9
-
$5,596 CAD
$4,006 USD
View
B+
Retailer 10
-
$10,499 CAD
£5,918 GBP
View
B
Retailer 11
-
$20,479 CAD
$14,660 USD
View
Most Expensive
B
Do Amore Diamonds
27-27CD39F0E · Nov 1
$21,065 CAD
$15,080 USD
View
11 more retailers have this diamond
Prices start from $3,062 CADSave up to $18,003 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
3.31ct Heart
$3,062 CAD