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Heart|Lab Grown|IGI

1.37ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG647466514

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG647466514

Diamond specifications and retailer prices

From $437 AUD
$307 USD
As of October 30, 2026
Save $2,752 AUD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,189 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.37ct lab-grown heart diamond

This 1.37ct 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 LG647466514 or 647466514. Listed at 22 retailers as of October 30, 2026, with prices from $437 to $3,189, a $2,752 spread on the same certified stone. Brilliant Earth lists it at $3,189. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647466514
Dimensions6.96 × 7.49 × 4.47 mm
L/W Ratio1.08
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
6.96 mm7.49 mm1.37 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647466514
Side View
Table 56.0%Crown 37.9°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 59.7%

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: $3,189 AUD|Low: $437 AUD|High: $3,189 AUD|Avg: $1,169 AUD
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 4$437 AUD
Retailer 12$488 AUD
Retailer 3$507 AUD
Retailer 7$542 AUD
Retailer 17$542 AUD
Retailer 2$573 AUD
Retailer 11$601 AUD
Retailer 6$729 AUD
Retailer 18$733 AUD
Retailer 16$882 AUD
Retailer 9$903 AUD
Retailer 22$932 AUD
Retailer 13$965 AUD
Retailer 21$1,323 AUD
Retailer 10$1,422 AUD
Retailer 5$1,666 AUD
Retailer 14$1,738 AUD
Retailer 20$1,744 AUD
Retailer 15$1,810 AUD
Retailer 19$2,186 AUD
Retailer 8$2,186 AUD
Brilliant Earth$3,189 AUD

26 data points across 22 retailers

22 retailers$437 AUD to $3,189 AUD

A
Cheapest Retailer
-
$437 AUD
$307 USD
A
Retailer 2
-
$488 AUD
$343 USD
View
Final sale: no returns
A
Retailer 3
-
$507 AUD
$356 USD
View
A
Retailer 4
-
$542 AUD
$381 USD
View
A
Retailer 5
-
$542 AUD
$381 USD
View
A
Retailer 6
-
$573 AUD
£317 GBP
View
A
Retailer 7
-
$601 AUD
HK$3,300 HKD
View
A
Retailer 8
-
$729 AUD
$512 USD
View
A
Retailer 9
-
$733 AUD
$515 USD
View
A
Retailer 10
-
$882 AUD
€590 EUR
View
A
Retailer 11
-
$903 AUD
$634 USD
View
A
Retailer 12
-
$932 AUD
ZAR 10,575 ZAR
View
A
Retailer 13
-
$965 AUD
£534 GBP
View
B+
Retailer 14
-
$1,323 AUD
View
B+
Retailer 15
-
$1,422 AUD
$999 USD
View
B+
Retailer 16
-
$1,666 AUD
$1,170 USD
View
B+
Retailer 17
-
$1,738 AUD
SGD 1,650 SGD
View
B+
Retailer 18
-
$1,744 AUD
$1,225 USD
View
B+
Retailer 19
-
$1,810 AUD
$1,271 USD
View
B+
Retailer 20
-
$2,186 AUD
£1,209 GBP
View
B
Retailer 21
-
$2,186 AUD
$1,536 USD
View
Most Expensive
B
Brilliant Earth
18971090A · Oct 31
$3,189 AUD
$2,240 USD
View
21 more retailers have this diamond
Prices start from $437 AUDSave up to $2,752 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
1.37ct Heart
$437 AUD