Heart|Lab Grown|IGI

1.38ct D FL Heart Lab Grown Diamond

VG • D/FL • IGI LG830622668

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830622668

Diamond specifications and retailer prices

From $677 AUD
As of November 4, 2026
Save $3,428 AUD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $4,105 AUD at Brilliant Earth · As of November 4, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG830622668 or 830622668. Listed at 20 retailers as of November 4, 2026, with prices from $677 to $4,105, a $3,428 spread on the same certified stone. Brilliant Earth lists it at $4,105. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.38
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830622668
Dimensions7.13 × 7.69 × 4.40 mm
L/W Ratio1.08
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
7.13 mm7.69 mm1.38 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830622668
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 57.2%

Caratlytics Score

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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: $4,105 AUD|Low: $677 AUD|High: $5,873 AUD|Avg: $1,831 AUD|-30.1%
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
November 5, 2026
Retailer 11$677 AUD
Retailer 3$750 AUD
Retailer 8$838 AUD
Retailer 9$840 AUD
Retailer 5$929 AUD
Retailer 13$1,126 AUD
Retailer 2$1,179 AUD
Retailer 17$1,309 AUD
Retailer 15$1,414 AUD
Retailer 7$1,517 AUD
Retailer 14$1,602 AUD
Retailer 16$2,153 AUD
Retailer 12$2,174 AUD
Retailer 4$2,177 AUD
Retailer 10$2,569 AUD
Retailer 6$3,183 AUD
Brilliant Earth$4,105 AUD

35 data points across 17 retailers

20 retailers$677 AUD to $4,105 AUD

A
Cheapest Retailer
-
$677 AUD
Retailer 2
-
$750 AUD
View
Price last confirmed 28 days ago
A
Retailer 3
-
$838 AUD
View
Final sale: no returns
Retailer 4
-
$840 AUD
View
Price last confirmed 37 days ago
Retailer 5
-
$929 AUD
View
Price last confirmed 33 days ago
Retailer 6
-
$929 AUD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$1,126 AUD
View
A
Retailer 8
-
$1,179 AUD
View
B+
Retailer 9
-
$1,309 AUD
View
B+
Retailer 10
-
$1,341 AUD
View
B+
Retailer 11
-
$1,414 AUD
View
B+
Retailer 12
-
$1,517 AUD
View
B+
Retailer 13
-
$1,602 AUD
View
B+
Retailer 14
-
$2,153 AUD
View
B
Retailer 15
-
$2,174 AUD
View
B
Retailer 16
-
$2,177 AUD
View
Retailer 17
-
$2,445 AUD
View
Price last confirmed 36 days ago
B
Retailer 18
-
$2,569 AUD
View
B
Retailer 19
-
$3,183 AUD
View
Most Expensive
B
Brilliant Earth
21584146A · Nov 4
$4,105 AUD
$2,880 USD
View
19 more retailers have this diamond
Prices start from $677 AUDSave up to $3,428 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
$677 AUD