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Heart|Lab Grown|IGI

1.51ct F IF Heart Lab Grown Diamond

ID • F/IF • IGI LG506192604

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG506192604

Diamond specifications and retailer prices

From $414 AUD
As of November 4, 2026
Save $3,257 AUD (89%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $3,671 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG506192604 or 506192604. Listed at 31 retailers as of November 4, 2026, with prices from $414 to $3,671, a $3,257 spread on the same certified stone. Do Amore Diamonds lists it at $3,671. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506192604
Dimensions6.86 × 8.00 × 4.73 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
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
6.86 mm8.00 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506192604
Side View
Table 60.5%Crown 33.4°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 59.1%

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 4
Current: $3,671 AUD|Low: $414 AUD|High: $4,773 AUD|Avg: $1,751 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 19
Retailer 20
November 5, 2026
Retailer 3$414 AUD
Retailer 6$496 AUD
Retailer 15$736 AUD
Retailer 10$749 AUD
Retailer 4$800 AUD
Retailer 8$884 AUD
Retailer 16$976 AUD
Retailer 2$1,000 AUD
Retailer 5$1,120 AUD
Retailer 9$1,280 AUD
Retailer 14$1,329 AUD
Retailer 20$1,576 AUD
Retailer 19$1,846 AUD
Retailer 7$1,971 AUD
Retailer 11$2,051 AUD
Retailer 12$2,193 AUD
Retailer 13$2,261 AUD
Retailer 18$2,843 AUD
Retailer 17$3,114 AUD
Do Amore Diamonds$3,671 AUD

43 data points across 20 retailers

31 retailers$414 AUD to $3,671 AUD

A
Cheapest Retailer
-
$414 AUD
Retailer 2
-
$414 AUD
View
Price last confirmed 29 days ago
Retailer 3
-
$414 AUD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$496 AUD
View
Final sale: no returns
Retailer 5
-
$513 AUD
View
Price last confirmed 27 days ago
Retailer 6
-
$513 AUD
View
Price last confirmed 34 days ago
A
Retailer 7
-
$736 AUD
View
A
Retailer 8
-
$749 AUD
View
A
Retailer 9
-
$800 AUD
View
Retailer 10
-
$874 AUD
View
Price last confirmed 37 days ago
A
Retailer 11
-
$884 AUD
View
A
Retailer 12
-
$976 AUD
View
Retailer 13
-
$979 AUD
View
Price last confirmed 38 days ago
Retailer 14
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$999 AUD
View
Price last confirmed 22 days ago
A
Retailer 15
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$1,000 AUD
View
Retailer 16
-
$1,070 AUD
View
Price last confirmed 40 days ago
A
Retailer 17
-
$1,120 AUD
View
A
Retailer 18
-
$1,280 AUD
View
A
Retailer 19
-
$1,329 AUD
View
B+
Retailer 20
-
$1,576 AUD
View
Retailer 21
-
$1,820 AUD
View
Price last confirmed 27 days ago
B+
Retailer 22
-
$1,820 AUD
View
B+
Retailer 23
-
$1,846 AUD
View
B+
Retailer 24
-
$1,971 AUD
View
B+
Retailer 25
-
$2,051 AUD
View
B+
Retailer 26
-
$2,193 AUD
View
B+
Retailer 27
-
$2,261 AUD
View
B
Retailer 28
-
$2,843 AUD
View
B
Retailer 29
-
$3,114 AUD
View
Retailer 30
-
$3,147 AUD
View
Price last confirmed 37 days ago
Most Expensive
B
Do Amore Diamonds
27-A9AF4A36A · Nov 4
$3,671 AUD
$2,570 USD
View
30 more retailers have this diamond
Prices start from $414 AUDSave up to $3,257 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
1.51ct Heart
$414 AUD