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Heart|Lab Grown|IGI

1.20ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG834614894

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG834614894

Diamond specifications and retailer prices

From $436 AUD
$306 USD
As of October 30, 2026
Save $2,853 AUD (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,289 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.2ct lab-grown heart diamond

This 1.2ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG834614894 or 834614894. Listed at 20 retailers as of October 30, 2026, with prices from $436 to $3,289, a $2,853 spread on the same certified stone. Brilliant Earth lists it at $3,289. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834614894
Dimensions6.38 × 7.38 × 4.35 mm
L/W Ratio1.16
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
6.38 mm7.38 mm1.20 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834614894
Side View
Table 65.0%Crown 39.5°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 58.9%

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: $3,289 AUD|Low: $406 AUD|High: $3,289 AUD|Avg: $1,210 AUD
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
October 31, 2026
Retailer 17$436 AUD
Retailer 10$491 AUD
Retailer 11$524 AUD
Retailer 6$541 AUD
Retailer 4$573 AUD
Retailer 19$598 AUD
Retailer 13$762 AUD
Retailer 18$881 AUD
Retailer 9$901 AUD
Retailer 2$961 AUD
Retailer 16$998 AUD
Retailer 15$1,130 AUD
Retailer 8$1,280 AUD
Retailer 14$1,358 AUD
Retailer 12$1,686 AUD
Retailer 3$1,741 AUD
Retailer 5$1,804 AUD
Retailer 7$2,114 AUD
Retailer 20$2,182 AUD
Brilliant Earth$3,289 AUD

29 data points across 20 retailers

20 retailers$436 AUD to $3,289 AUD

A
Cheapest Retailer
-
$436 AUD
$306 USD
A
Retailer 2
-
$491 AUD
$345 USD
View
A
Retailer 3
-
$524 AUD
$368 USD
View
A
Retailer 4
-
$541 AUD
$380 USD
View
A
Retailer 5
-
$573 AUD
£317 GBP
View
A
Retailer 6
-
$598 AUD
$420 USD
View
Final sale: no returns
A
Retailer 7
-
$762 AUD
$535 USD
View
A
Retailer 8
-
$881 AUD
$619 USD
View
A
Retailer 9
-
$901 AUD
ZAR 10,227 ZAR
View
A
Retailer 10
-
$961 AUD
£532 GBP
View
B+
Retailer 11
-
$998 AUD
$701 USD
View
B+
Retailer 12
-
$1,130 AUD
$794 USD
View
B+
Retailer 13
-
$1,280 AUD
View
B+
Retailer 14
-
$1,358 AUD
$954 USD
View
B+
Retailer 15
-
$1,686 AUD
$1,184 USD
View
B
Retailer 16
-
$1,741 AUD
View
B+
Retailer 17
-
$1,804 AUD
$1,268 USD
View
B
Retailer 18
-
$2,114 AUD
£1,169 GBP
View
B
Retailer 19
-
$2,182 AUD
$1,533 USD
View
Most Expensive
B
Brilliant Earth
21696587A · Oct 31
$3,289 AUD
$2,310 USD
View
19 more retailers have this diamond
Prices start from $436 AUDSave up to $2,853 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
1.20ct Heart
$436 AUD