Heart|Lab Grown|GIA

1.50ct D SI1 Heart Lab Grown Diamond

EX • D/SI1 • GIA 6421049136

Certificate GIA 6421049136

Diamond specifications and retailer prices

From $623 CAD
As of November 6, 2026
Save $2,207 CAD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,830 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6421049136. Listed at 8 retailers as of November 5, 2026, with prices from $623 to $2,830, a $2,207 spread on the same certified stone. MOH London lists it at $2,830. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6421049136
Dimensions7.80 × 6.80 × 4.76 mm
L/W Ratio1.15
Top View
7.80 mm6.80 mm1.50 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6421049136
Side View
Table 66.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.0%

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 6
Current: $2,830 CAD|Low: $598 CAD|High: $2,871 CAD|Avg: $1,498 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3$623 CAD
Retailer 7$698 CAD
Retailer 5$772 CAD
Retailer 8$772 CAD
Retailer 2$1,152 CAD
Retailer 4$2,391 CAD
Retailer 6$2,483 CAD
MOH London$2,830 CAD

44 data points across 8 retailers

8 retailers$623 CAD to $2,830 CAD

A
Cheapest Retailer
-
$623 CAD
B+
Retailer 2
-
$698 CAD
View
B+
Retailer 3
-
$772 CAD
View
Retailer 4
-
$772 CAD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$1,152 CAD
View
B
Retailer 6
-
$2,391 CAD
View
B
Retailer 7
-
$2,483 CAD
View
Most Expensive
B
MOH London
6421049136 · Nov 5
$2,830 CAD
£1,584 GBP
View
7 more retailers have this diamond
Prices start from $623 CADSave up to $2,207 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
1.50ct Heart
$623 CAD