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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG635421819

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG635421819

Diamond specifications and retailer prices

From $270 CAD
As of November 4, 2026
Save $1,368 CAD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,637 CAD at Reve Diamonds · As of November 4, 2026
View at Reve 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 LG635421819 or 635421819. Listed at 18 retailers as of November 4, 2026, with prices from $270 to $1,637, a $1,368 spread on the same certified stone. Reve Diamonds lists it at $1,637. 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 angle36°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635421819
Dimensions7.31 × 6.80 × 4.35 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.31 mm6.80 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635421819
Side View
Table 58.0%Crown 36°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 59.5%

Caratlytics Score

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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: $444 CAD|Low: $270 CAD|High: $1,654 CAD|Avg: $775 CAD|-3.3%
Retailer 1
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Reve Diamonds
November 5, 2026
Retailer 13$270 CAD
Retailer 15$302 CAD
Retailer 3$313 CAD
Retailer 11$335 CAD
Retailer 8$341 CAD
Retailer 1$444 CAD
Retailer 2$585 CAD
Retailer 5$588 CAD
Retailer 7$595 CAD
Retailer 12$603 CAD
Retailer 10$665 CAD
Retailer 4$832 CAD
Retailer 14$1,075 CAD
Retailer 17$1,080 CAD
Retailer 16$1,151 CAD
Retailer 9$1,592 CAD
Retailer 6$1,594 CAD
Reve Diamonds$1,637 CAD

35 data points across 18 retailers

18 retailers$270 CAD to $1,637 CAD

A
Cheapest Retailer
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$270 CAD
A
Retailer 2
-
$302 CAD
View
Final sale: no returns
A
Retailer 3
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$313 CAD
View
A
Retailer 4
-
$335 CAD
View
Retailer 5
-
$341 CAD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$444 CAD
View
A
Retailer 7
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$585 CAD
View
A
Retailer 8
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$588 CAD
View
A
Retailer 9
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$595 CAD
View
A
Retailer 10
-
$603 CAD
View
B+
Retailer 11
-
$665 CAD
View
B+
Retailer 12
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$789 CAD
View
B+
Retailer 13
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$832 CAD
View
B+
Retailer 14
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$1,075 CAD
View
B
Retailer 15
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$1,080 CAD
View
B
Retailer 16
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$1,151 CAD
View
B
Retailer 17
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$1,594 CAD
View
Most Expensive
B
Reve Diamonds
EF8A55ECE · Nov 4
$1,637 CAD
$1,172 USD
View
17 more retailers have this diamond
Prices start from $270 CADSave up to $1,368 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
$270 CAD