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Heart|Lab Grown|IGI

1.50ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG837646992

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837646992

Diamond specifications and retailer prices

From $511 AUD
$359 USD
As of October 30, 2026
Save $4,030 AUD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,855 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

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 LG837646992 or 837646992. Listed at 14 retailers as of October 30, 2026, with a 789% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837646992
Dimensions7.62 × 7.06 × 4.77 mm
L/W Ratio1.08
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
7.62 mm7.06 mm1.50 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837646992
Side View
Table 56.0%Crown 35.3°Girdle: STK-VTKPavilion 41°Culet: NoneDepth 62.6%

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: Oct 30
Current: $4,855 AUD|Low: $501 AUD|High: $4,865 AUD|Avg: $2,116 AUD|+2.8%
Novita Diamonds
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
November 1, 2026
Retailer 11$511 AUD
Retailer 7$740 AUD
Retailer 4$911 AUD
Retailer 14$1,015 AUD
Retailer 8$1,144 AUD
Retailer 5$1,152 AUD
Retailer 10$1,630 AUD
Retailer 6$1,691 AUD
Retailer 12$1,859 AUD
Retailer 3$2,251 AUD
Retailer 2$2,735 AUD
Retailer 9$3,872 AUD
Retailer 13$4,541 AUD
Novita Diamonds$4,855 AUD

32 data points across 14 retailers

14 retailers$511 AUD to $4,541 AUD

A
Cheapest Retailer
-
$511 AUD
$359 USD
A
Retailer 2
-
$740 AUD
£409 GBP
View
A
Retailer 3
-
$911 AUD
$640 USD
View
A
Retailer 4
-
$1,015 AUD
$713 USD
View
A
Retailer 5
-
$1,144 AUD
€765 EUR
View
A
Retailer 6
-
$1,152 AUD
$809 USD
View
A
Retailer 7
-
$1,630 AUD
View
B+
Retailer 8
-
$1,691 AUD
$1,188 USD
View
B+
Retailer 9
-
$1,859 AUD
$1,306 USD
View
B+
Retailer 10
-
$2,251 AUD
$1,581 USD
View
B+
Retailer 11
-
$2,735 AUD
£1,513 GBP
View
B
Retailer 12
-
$3,872 AUD
$2,720 USD
View
B
Retailer 13
-
$4,541 AUD
$3,190 USD
View
Most Expensive
Novita Diamonds
cert_837646992 · Oct 8
$4,855 AUD
View
Price last confirmed 23 days ago
13 more retailers have this diamond
Prices start from $511 AUDSave up to $4,030 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
$511 AUD