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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 $645 AUD
As of November 6, 2026
Save $2,283 AUD (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,928 AUD 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 $645 to $2,928, a $2,283 spread on the same certified stone. MOH London lists it at $2,928. 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
Colour
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: $2,928 AUD|Low: $619 AUD|High: $2,970 AUD|Avg: $1,550 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 3$645 AUD
Retailer 7$722 AUD
Retailer 5$799 AUD
Retailer 8$799 AUD
Retailer 2$1,192 AUD
Retailer 4$2,474 AUD
Retailer 6$2,569 AUD
MOH London$2,928 AUD

44 data points across 8 retailers

8 retailers$645 AUD to $2,928 AUD

A
Cheapest Retailer
-
$645 AUD
B+
Retailer 2
-
$722 AUD
View
B+
Retailer 3
-
$799 AUD
View
Retailer 4
-
$799 AUD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$1,192 AUD
View
B
Retailer 6
-
$2,474 AUD
View
B
Retailer 7
-
$2,569 AUD
View
Most Expensive
B
MOH London
6421049136 · Nov 5
$2,928 AUD
£1,584 GBP
View
7 more retailers have this diamond
Prices start from $645 AUDSave up to $2,283 AUD

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
$645 AUD