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Heart|Lab Grown|IGI

1.50ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG836620971

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836620971

Diamond specifications and retailer prices

From $423 AUD
$297 USD
As of October 30, 2026
Save $3,464 AUD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,886 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620971 or 836620971. Listed at 20 retailers as of October 30, 2026, with prices from $423 to $3,886, a $3,464 spread on the same certified stone. Brilliant Earth lists it at $3,886. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620971
Dimensions6.88 × 7.94 × 4.54 mm
L/W Ratio1.15
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
6.88 mm7.94 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620971
Side View
Table 61.0%Crown 38.9°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 57.2%

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: Oct 30
Current: $3,886 AUD|Low: $423 AUD|High: $4,456 AUD|Avg: $1,346 AUD|-12.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 6$423 AUD
Retailer 8$474 AUD
Retailer 19$491 AUD
Retailer 4$525 AUD
Retailer 11$525 AUD
Retailer 13$555 AUD
Retailer 17$747 AUD
Retailer 9$860 AUD
Retailer 16$902 AUD
Retailer 14$931 AUD
Retailer 15$1,221 AUD
Retailer 18$1,357 AUD
Retailer 5$1,418 AUD
Retailer 12$1,688 AUD
Retailer 10$1,747 AUD
Retailer 7$1,756 AUD
Retailer 20$1,849 AUD
Retailer 2$2,104 AUD
Retailer 3$2,295 AUD
Brilliant Earth$3,886 AUD

31 data points across 20 retailers

20 retailers$423 AUD to $3,886 AUD

A
Cheapest Retailer
-
$423 AUD
$297 USD
A
Retailer 2
-
$474 AUD
$333 USD
View
Final sale: no returns
A
Retailer 3
-
$491 AUD
$345 USD
View
A
Retailer 4
-
$525 AUD
$369 USD
View
Retailer 5
-
$525 AUD
$369 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$555 AUD
£307 GBP
View
A
Retailer 7
-
$747 AUD
$525 USD
View
A
Retailer 8
-
$860 AUD
$604 USD
View
A
Retailer 9
-
$902 AUD
ZAR 10,239 ZAR
View
A
Retailer 10
-
$931 AUD
£515 GBP
View
A
Retailer 11
-
$1,221 AUD
View
A
Retailer 12
-
$1,357 AUD
$953 USD
View
A
Retailer 13
-
$1,418 AUD
$996 USD
View
B+
Retailer 14
-
$1,688 AUD
$1,186 USD
View
B+
Retailer 15
-
$1,747 AUD
SGD 1,658 SGD
View
B+
Retailer 16
-
$1,756 AUD
$1,234 USD
View
B+
Retailer 17
-
$1,849 AUD
$1,299 USD
View
B+
Retailer 18
-
$2,104 AUD
£1,164 GBP
View
B+
Retailer 19
-
$2,295 AUD
$1,612 USD
View
Most Expensive
B
Brilliant Earth
21590037A · Oct 31
$3,886 AUD
$2,730 USD
View
19 more retailers have this diamond
Prices start from $423 AUDSave up to $3,464 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
$423 AUD