Heart|Lab Grown|IGI

12.56ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG813643585

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG813643585

Diamond specifications and retailer prices

From $5,020 CAD
$3,594 USD
As of October 27, 2026
Save $15,507 CAD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $20,528 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 12.56ct lab-grown heart diamond

This 12.56ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813643585 or 813643585. Listed at 16 retailers as of October 27, 2026, with prices from $5,020 to $20,528, a $15,507 spread on the same certified stone. Taylor and Hart lists it at $20,528. 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

12.56
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813643585
Dimensions16.63 × 14.58 × 8.49 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.63 mm14.58 mm12.56 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813643585
Side View
Table 66.0%Crown 39.6°Girdle: MED-THKPavilion 35.3°Culet: NoneDepth 51.1%

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 27
Current: $9,015 CAD|Low: $3,816 CAD|High: $20,528 CAD|Avg: $10,328 CAD|+7.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 29, 2026
Retailer 2$5,623 CAD
Retailer 4$5,825 CAD
Retailer 10$6,244 CAD
Retailer 3$7,797 CAD
Retailer 7$7,876 CAD
Retailer 5$8,402 CAD
Retailer 1$9,015 CAD
Retailer 6$10,915 CAD
Retailer 8$14,640 CAD
Retailer 9$15,620 CAD
Taylor and Hart$20,528 CAD

38 data points across 11 retailers

16 retailers$5,020 CAD to $20,528 CAD

A
Cheapest Retailer
-
$5,020 CAD
$3,594 USD
A
Retailer 2
-
$5,463 CAD
$3,911 USD
View
A
Retailer 3
-
$5,623 CAD
$4,025 USD
View
Final sale: no returns
Retailer 4
-
$5,824 CAD
$4,169 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$5,824 CAD
$4,169 USD
View
A
Retailer 6
-
$5,825 CAD
$4,170 USD
View
A
Retailer 7
-
$6,244 CAD
$4,470 USD
View
B+
Retailer 8
-
$7,278 CAD
$5,210 USD
View
B+
Retailer 9
-
$7,797 CAD
£4,395 GBP
View
B+
Retailer 10
-
$7,876 CAD
$5,638 USD
View
B+
Retailer 11
-
$8,402 CAD
$6,015 USD
View
B+
Retailer 12
-
$9,015 CAD
ZAR 104,253 ZAR
View
Retailer 13
-
$10,915 CAD
A$12,021 AUD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$14,640 CAD
$10,480 USD
View
B
Retailer 15
-
$15,620 CAD
$11,182 USD
View
Most Expensive
B
Taylor and Hart
97C2D4F · Oct 30
$20,528 CAD
$14,695 USD
View
15 more retailers have this diamond
Prices start from $5,020 CADSave up to $15,507 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
12.56ct Heart
$5,020 CAD