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Heart|Lab Grown|IGI

1.00ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG836621580

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836621580

Diamond specifications and retailer prices

From $378 CAD
$270 USD
As of October 27, 2026
Save $2,575 CAD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,953 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836621580 or 836621580. Listed at 19 retailers as of October 27, 2026, with prices from $378 to $2,953, a $2,575 spread on the same certified stone. Brilliant Earth lists it at $2,953. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836621580
Dimensions6.21 × 6.77 × 4.04 mm
L/W Ratio1.09
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
6.21 mm6.77 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836621580
Side View
Table 61.0%Crown 39.8°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 59.7%

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: $2,953 CAD|Low: $428 CAD|High: $3,065 CAD|Avg: $1,262 CAD|-3.7%
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
October 29, 2026
Retailer 3$428 CAD
Retailer 9$498 CAD
Retailer 11$693 CAD
Retailer 7$764 CAD
Retailer 5$777 CAD
Retailer 10$804 CAD
Retailer 4$806 CAD
Retailer 2$819 CAD
Retailer 12$1,190 CAD
Retailer 6$1,390 CAD
Retailer 14$1,575 CAD
Retailer 13$1,859 CAD
Retailer 8$1,884 CAD
Brilliant Earth$2,953 CAD

35 data points across 14 retailers

19 retailers$378 CAD to $2,953 CAD

A
Cheapest Retailer
-
$378 CAD
$270 USD
A
Retailer 2
-
$428 CAD
$306 USD
View
Final sale: no returns
A
Retailer 3
-
$438 CAD
$313 USD
View
A
Retailer 4
-
$467 CAD
$334 USD
View
A
Retailer 5
-
$467 CAD
$334 USD
View
A
Retailer 6
-
$498 CAD
£280 GBP
View
A
Retailer 7
-
$693 CAD
$495 USD
View
A
Retailer 8
-
$764 CAD
€520 EUR
View
A
Retailer 9
-
$777 CAD
$555 USD
View
B+
Retailer 10
-
$804 CAD
ZAR 9,278 ZAR
View
A
Retailer 11
-
$806 CAD
$576 USD
View
B+
Retailer 12
-
$819 CAD
£461 GBP
View
B+
Retailer 13
-
$1,190 CAD
$850 USD
View
B+
Retailer 14
-
$1,390 CAD
SGD 1,342 SGD
View
B+
Retailer 15
-
$1,503 CAD
$1,074 USD
View
B+
Retailer 16
-
$1,575 CAD
$1,125 USD
View
B
Retailer 17
-
$1,859 CAD
$1,328 USD
View
B
Retailer 18
-
$1,884 CAD
£1,060 GBP
View
Most Expensive
B
Brilliant Earth
21590127A · Oct 28
$2,953 CAD
$2,110 USD
View
18 more retailers have this diamond
Prices start from $378 CADSave up to $2,575 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
1.00ct Heart
$378 CAD