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Heart|Lab Grown|IGI

1.37ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG606348833

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG606348833

Diamond specifications and retailer prices

From $651 NZD
As of November 4, 2026
Save $3,252 NZD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,903 NZD at Brilliant Earth · As of November 4, 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 LG606348833 or 606348833. Listed at 20 retailers as of November 4, 2026, with prices from $651 to $3,903, a $3,252 spread on the same certified stone. Brilliant Earth lists it at $3,903. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG606348833
Dimensions6.98 × 7.66 × 4.57 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
6.98 mm7.66 mm1.37 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG606348833
Side View
Table 64.0%Crown 35.5°Girdle: ThinPavilion 41.6°Culet: NoneDepth 59.7%

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: $3,903 NZD|Low: $559 NZD|High: $3,903 NZD|Avg: $1,480 NZD
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
November 5, 2026
Retailer 4$559 NZD
Retailer 3$722 NZD
Retailer 5$722 NZD
Retailer 7$761 NZD
Retailer 12$972 NZD
Retailer 9$993 NZD
Retailer 10$1,167 NZD
Retailer 11$1,244 NZD
Retailer 2$1,277 NZD
Retailer 8$1,772 NZD
Retailer 13$2,115 NZD
Retailer 6$2,883 NZD
Brilliant Earth$3,903 NZD

39 data points across 13 retailers

20 retailers$651 NZD to $3,903 NZD

Retailer 1
-
$559 NZD
Price last confirmed 34 days ago
A
Retailer 2
-
$651 NZD
View
Final sale: no returns
Retailer 3
-
$674 NZD
View
Price last confirmed 37 days ago
Retailer 4
-
$722 NZD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$761 NZD
View
A
Retailer 6
-
$972 NZD
View
A
Retailer 7
-
$993 NZD
View
A
Retailer 8
-
$1,167 NZD
View
A
Retailer 9
-
$1,244 NZD
View
A
Retailer 10
-
$1,277 NZD
View
A
Retailer 11
-
$1,300 NZD
View
B+
Retailer 12
-
$1,550 NZD
View
B+
Retailer 13
-
$1,772 NZD
View
B+
Retailer 14
-
$1,786 NZD
View
B+
Retailer 15
-
$2,115 NZD
View
Retailer 16
-
$2,319 NZD
View
Price last confirmed 36 days ago
B
Retailer 17
-
$2,397 NZD
View
B
Retailer 18
-
$2,840 NZD
View
B+
Retailer 19
-
$2,883 NZD
View
Most Expensive
B
Brilliant Earth
10023368A · Nov 4
$3,903 NZD
$2,200 USD
View
19 more retailers have this diamond
Prices start from $651 NZDSave up to $3,252 NZD

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
$651 NZD