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Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG685557009

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG685557009

Diamond specifications and retailer prices

From $922 AUD
$648 USD
As of October 30, 2026
Save $1,482 AUD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,349 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG685557009 or 685557009. Listed at 8 retailers as of October 30, 2026, with a 161% 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
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685557009
Dimensions6.92 × 7.59 × 4.80 mm
L/W Ratio1.10
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
6.92 mm7.59 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685557009
Side View
Table 61.0%Crown 41.2°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,349 AUD|Low: $867 AUD|High: $4,342 AUD|Avg: $1,951 AUD|-0.3%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4$877 AUD
Retailer 5$922 AUD
Retailer 6$935 AUD
Retailer 2$1,016 AUD
Retailer 9$1,441 AUD
Retailer 8$1,893 AUD
Retailer 3$2,283 AUD
Retailer 10$2,356 AUD
Novita Diamonds$3,349 AUD
Retailer 7$4,342 AUD

43 data points across 10 retailers

8 retailers$922 AUD to $2,404 AUD

A
Cheapest Retailer
-
$922 AUD
$648 USD
A
Retailer 2
-
$935 AUD
$657 USD
View
A
Retailer 3
-
$1,016 AUD
£562 GBP
View
A
Retailer 4
-
$1,441 AUD
$1,012 USD
View
B+
Retailer 5
-
$1,893 AUD
$1,330 USD
View
B+
Retailer 6
-
$2,283 AUD
£1,263 GBP
View
B+
Retailer 7
-
$2,404 AUD
$1,689 USD
View
Most Expensive
Novita Diamonds
cert_685557009 · Oct 8
$3,349 AUD
View
Price last confirmed 23 days ago
7 more retailers have this diamond
Prices start from $922 AUDSave up to $1,482 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
$922 AUD