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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG510193469

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG510193469

Diamond specifications and retailer prices

From $313 CAD
As of November 4, 2026
Save $2,690 CAD (90%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $3,003 CAD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG510193469 or 510193469. Listed at 29 retailers as of November 4, 2026, with prices from $313 to $3,003, a $2,690 spread on the same certified stone. Do Amore Diamonds lists it at $3,003. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510193469
Dimensions7.52 × 6.41 × 4.34 mm
L/W Ratio1.17
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
7.52 mm6.41 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510193469
Side View
Table 61.5%Crown 37.8°Girdle: MED-STKPavilion 39°Culet: NoneDepth 57.7%

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: Nov 4
Current: $351 CAD|Low: $313 CAD|High: $1,737 CAD|Avg: $898 CAD|-3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 13$313 CAD
Retailer 1$351 CAD
Retailer 3$608 CAD
Retailer 4$726 CAD
Retailer 9$740 CAD
Retailer 6$806 CAD
Retailer 11$878 CAD
Retailer 5$944 CAD
Retailer 10$1,033 CAD
Retailer 7$1,050 CAD
Retailer 2$1,208 CAD
Retailer 12$1,253 CAD
Retailer 8$1,718 CAD

44 data points across 13 retailers

29 retailers$313 CAD to $3,003 CAD

A
Cheapest Retailer
-
$313 CAD
Retailer 2
-
$313 CAD
View
Price last confirmed 36 days ago
Retailer 3
-
$313 CAD
View
Price last confirmed 28 days ago
Retailer 4
-
$313 CAD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$351 CAD
View
Final sale: no returns
Retailer 6
-
$363 CAD
View
Price last confirmed 37 days ago
Retailer 7
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$384 CAD
View
Price last confirmed 39 days ago
Retailer 8
-
$388 CAD
View
Price last confirmed 33 days ago
Retailer 9
-
$388 CAD
View
Price last confirmed 26 days ago
A
Retailer 10
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$527 CAD
View
A
Retailer 11
-
$608 CAD
View
A
Retailer 12
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$608 CAD
View
B+
Retailer 13
-
$726 CAD
View
B+
Retailer 14
-
$740 CAD
View
B+
Retailer 15
-
$806 CAD
View
B+
Retailer 16
-
$878 CAD
View
B+
Retailer 17
-
$944 CAD
View
B+
Retailer 18
-
$1,033 CAD
View
B+
Retailer 19
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$1,050 CAD
View
Retailer 20
-
$1,208 CAD
View
Price last confirmed 28 days ago
B
Retailer 21
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$1,253 CAD
View
Retailer 22
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$1,378 CAD
View
Price last confirmed 26 days ago
B
Retailer 23
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$1,378 CAD
View
Retailer 24
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$1,378 CAD
View
Price last confirmed 36 days ago
B
Retailer 25
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$1,616 CAD
View
B
Retailer 26
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$1,718 CAD
View
B
Retailer 27
-
$1,737 CAD
View
B
Retailer 28
-
$1,774 CAD
View
Most Expensive
B
Do Amore Diamonds
27-26DD9B55D · Nov 4
$3,003 CAD
$2,150 USD
View
28 more retailers have this diamond
Prices start from $313 CADSave up to $2,690 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
$313 CAD