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Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG722564061

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG722564061

Diamond specifications and retailer prices

From $468 AUD
$329 USD
As of October 30, 2026
Save $3,845 AUD (89%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,314 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG722564061 or 722564061. Listed at 8 retailers as of October 30, 2026, with prices from $468 to $4,314, a $3,845 spread on the same certified stone. Brilliant Earth lists it at $4,314. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722564061
Dimensions8.16 × 7.07 × 4.75 mm
L/W Ratio1.15
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
8.16 mm7.07 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722564061
Side View
Table 56.0%Crown 33.4°Girdle: MED-THKPavilion 42°Culet: NoneDepth 58.2%

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: $4,314 AUD|Low: $468 AUD|High: $4,940 AUD|Avg: $1,726 AUD|-12.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5$468 AUD
Retailer 3$783 AUD
Retailer 2$922 AUD
Retailer 8$1,492 AUD
Retailer 6$1,672 AUD
Retailer 7$1,777 AUD
Retailer 4$2,095 AUD
Brilliant Earth$4,314 AUD

43 data points across 8 retailers

8 retailers$468 AUD to $4,314 AUD

A
Cheapest Retailer
-
$468 AUD
$329 USD
Final sale: no returns
A
Retailer 2
-
$783 AUD
$550 USD
View
A
Retailer 3
-
$922 AUD
£510 GBP
View
A
Retailer 4
-
$1,492 AUD
$1,048 USD
View
B+
Retailer 5
-
$1,672 AUD
SGD 1,587 SGD
View
B+
Retailer 6
-
$1,777 AUD
$1,248 USD
View
B+
Retailer 7
-
$2,095 AUD
£1,159 GBP
View
Most Expensive
B
Brilliant Earth
15964492A · Oct 30
$4,314 AUD
$3,030 USD
View
7 more retailers have this diamond
Prices start from $468 AUDSave up to $3,845 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
$468 AUD