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Heart|Lab Grown|IGI

1.38ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG840634314

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634314

Diamond specifications and retailer prices

From $382 AUD
$268 USD
As of October 30, 2026
Save $2,765 AUD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,146 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.38ct lab-grown heart diamond

This 1.38ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634314 or 840634314. Listed at 20 retailers as of October 30, 2026, with prices from $382 to $3,146, a $2,765 spread on the same certified stone. Brilliant Earth lists it at $3,146. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.38
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634314
Dimensions6.58 × 7.67 × 4.51 mm
L/W Ratio1.17
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
6.58 mm7.67 mm1.38 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634314
Side View
Table 54.0%Crown 38°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 58.8%

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: $3,146 AUD|Low: $382 AUD|High: $3,146 AUD|Avg: $1,122 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
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Retailer 17
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Retailer 19
Retailer 20
October 31, 2026
Retailer 10$382 AUD
Retailer 6$427 AUD
Retailer 17$441 AUD
Retailer 3$473 AUD
Retailer 7$473 AUD
Retailer 9$502 AUD
Retailer 19$698 AUD
Retailer 4$784 AUD
Retailer 15$812 AUD
Retailer 5$839 AUD
Retailer 2$906 AUD
Retailer 14$1,149 AUD
Retailer 13$1,199 AUD
Retailer 20$1,421 AUD
Retailer 18$1,519 AUD
Retailer 12$1,591 AUD
Retailer 8$1,597 AUD
Retailer 11$1,768 AUD
Retailer 16$1,895 AUD
Brilliant Earth$3,146 AUD

16 data points across 20 retailers

20 retailers$382 AUD to $3,146 AUD

A
Cheapest Retailer
-
$382 AUD
$268 USD
A
Retailer 2
-
$427 AUD
$300 USD
View
Final sale: no returns
A
Retailer 3
-
$441 AUD
$310 USD
View
A
Retailer 4
-
$473 AUD
$332 USD
View
A
Retailer 5
-
$473 AUD
$332 USD
View
Retailer 6
-
$502 AUD
£278 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$698 AUD
$490 USD
View
A
Retailer 8
-
$784 AUD
$551 USD
View
A
Retailer 9
-
$812 AUD
ZAR 9,210 ZAR
View
A
Retailer 10
-
$839 AUD
$589 USD
View
A
Retailer 11
-
$906 AUD
£501 GBP
View
A
Retailer 12
-
$1,149 AUD
View
A
Retailer 13
-
$1,199 AUD
$842 USD
View
B+
Retailer 14
-
$1,421 AUD
$998 USD
View
B+
Retailer 15
-
$1,519 AUD
$1,067 USD
View
B+
Retailer 16
-
$1,591 AUD
$1,118 USD
View
B+
Retailer 17
-
$1,597 AUD
SGD 1,516 SGD
View
B+
Retailer 18
-
$1,768 AUD
$1,242 USD
View
B+
Retailer 19
-
$1,895 AUD
£1,048 GBP
View
Most Expensive
B
Brilliant Earth
22143105A · Oct 30
$3,146 AUD
$2,210 USD
View
19 more retailers have this diamond
Prices start from $382 AUDSave up to $2,765 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
1.38ct Heart
$382 AUD