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Heart|Lab Grown|IGI

1.81ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG678590671

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG678590671

Diamond specifications and retailer prices

From $498 CAD
$356 USD
As of October 27, 2026
Save $2,609 CAD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,107 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.81ct lab-grown heart diamond

This 1.81ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678590671 or 678590671. Listed at 12 retailers as of October 27, 2026, with prices from $498 to $3,107, a $2,609 spread on the same certified stone. Brilliant Earth lists it at $3,107. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678590671
Dimensions7.73 × 8.42 × 4.98 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Top View
7.73 mm8.42 mm1.81 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678590671
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.1%

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: $3,107 CAD|Low: $558 CAD|High: $3,639 CAD|Avg: $1,749 CAD|-14.6%
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
October 29, 2026
Retailer 14$558 CAD
Retailer 15$824 CAD
Retailer 2$960 CAD
Retailer 13$991 CAD
Retailer 9$994 CAD
Retailer 5$1,258 CAD
Retailer 7$1,349 CAD
Retailer 8$1,434 CAD
Retailer 11$1,811 CAD
Retailer 12$1,986 CAD
Retailer 3$2,319 CAD
Retailer 10$2,426 CAD
Retailer 6$2,724 CAD
Retailer 4$2,848 CAD
Brilliant Earth$3,107 CAD

24 data points across 15 retailers

12 retailers$498 CAD to $3,107 CAD

A
Cheapest Retailer
-
$498 CAD
$356 USD
A
Retailer 2
-
$558 CAD
$399 USD
View
Final sale: no returns
A
Retailer 3
-
$578 CAD
$413 USD
View
A
Retailer 4
-
$824 CAD
HK$4,600 HKD
View
B+
Retailer 5
-
$960 CAD
€653 EUR
View
B+
Retailer 6
-
$991 CAD
$708 USD
View
B+
Retailer 7
-
$994 CAD
$710 USD
View
B+
Retailer 8
-
$1,434 CAD
A$1,576 AUD
View
B
Retailer 9
-
$1,811 CAD
$1,294 USD
View
B
Retailer 10
-
$1,986 CAD
$1,419 USD
View
B
Retailer 11
-
$2,426 CAD
£1,365 GBP
View
Most Expensive
B
Brilliant Earth
15435809A · Oct 28
$3,107 CAD
$2,220 USD
View
11 more retailers have this diamond
Prices start from $498 CADSave up to $2,609 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
1.81ct Heart
$498 CAD