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Heart|Lab Grown|IGI

1.23ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG830620399

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830620399

Diamond specifications and retailer prices

From $330 CAD
$236 USD
As of October 28, 2026
Save $1,167 CAD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,498 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830620399 or 830620399. Listed at 13 retailers as of October 28, 2026, with prices from $330 to $1,498, a $1,167 spread on the same certified stone. Brilliant Earth lists it at $1,498. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830620399
Dimensions6.79 × 7.35 × 4.19 mm
L/W Ratio1.08
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
6.79 mm7.35 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830620399
Side View
Table 62.0%Crown 38.3°Girdle: MED-THKPavilion 38.2°Culet: NoneDepth 57.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $673 CAD|Low: $330 CAD|High: $1,472 CAD|Avg: $847 CAD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 12$330 CAD
Retailer 7$450 CAD
Retailer 5$617 CAD
Retailer 8$627 CAD
Retailer 9$627 CAD
Retailer 1$673 CAD
Retailer 10$803 CAD
Retailer 11$892 CAD
Retailer 2$1,188 CAD
Retailer 3$1,246 CAD
Retailer 4$1,249 CAD
Retailer 6$1,472 CAD

4 data points across 12 retailers

13 retailers$330 CAD to $1,498 CAD

A
Cheapest Retailer
-
$330 CAD
$236 USD
Final sale: no returns
A
Retailer 2
-
$450 CAD
£253 GBP
View
A
Retailer 3
-
$617 CAD
€420 EUR
View
A
Retailer 4
-
$627 CAD
$448 USD
View
A
Retailer 5
-
$627 CAD
ZAR 7,243 ZAR
View
B+
Retailer 6
-
$673 CAD
£378 GBP
View
B+
Retailer 7
-
$803 CAD
$574 USD
View
B+
Retailer 8
-
$892 CAD
A$981 AUD
View
B
Retailer 9
-
$1,188 CAD
SGD 1,147 SGD
View
B
Retailer 10
-
$1,246 CAD
$890 USD
View
B
Retailer 11
-
$1,249 CAD
$892 USD
View
B
Retailer 12
-
$1,472 CAD
£828 GBP
View
Most Expensive
B
Brilliant Earth
22311013A · Oct 28
$1,498 CAD
$1,070 USD
View
12 more retailers have this diamond
Prices start from $330 CADSave up to $1,167 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
1.23ct Heart
$330 CAD