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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 $476 NZD
$268 USD
As of October 30, 2026
Save $3,446 NZD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,921 NZD 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 $476 to $3,921, a $3,446 spread on the same certified stone. Brilliant Earth lists it at $3,921. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,921 NZD|Low: $476 NZD|High: $3,921 NZD|Avg: $1,399 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 12
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Retailer 20
October 31, 2026
Retailer 10$476 NZD
Retailer 6$532 NZD
Retailer 17$550 NZD
Retailer 3$589 NZD
Retailer 7$589 NZD
Retailer 9$626 NZD
Retailer 19$869 NZD
Retailer 4$978 NZD
Retailer 15$1,012 NZD
Retailer 5$1,045 NZD
Retailer 13$1,129 NZD
Retailer 14$1,432 NZD
Retailer 2$1,494 NZD
Retailer 20$1,771 NZD
Retailer 18$1,893 NZD
Retailer 12$1,983 NZD
Retailer 8$1,990 NZD
Retailer 11$2,204 NZD
Retailer 16$2,362 NZD
Brilliant Earth$3,921 NZD

16 data points across 20 retailers

20 retailers$476 NZD to $3,921 NZD

A
Cheapest Retailer
-
$476 NZD
$268 USD
A
Retailer 2
-
$532 NZD
$300 USD
View
Final sale: no returns
A
Retailer 3
-
$550 NZD
$310 USD
View
A
Retailer 4
-
$589 NZD
$332 USD
View
A
Retailer 5
-
$589 NZD
$332 USD
View
Retailer 6
-
$626 NZD
£278 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$869 NZD
$490 USD
View
A
Retailer 8
-
$978 NZD
$551 USD
View
A
Retailer 9
-
$1,012 NZD
ZAR 9,210 ZAR
View
A
Retailer 10
-
$1,045 NZD
$589 USD
View
A
Retailer 11
-
$1,129 NZD
£501 GBP
View
A
Retailer 12
-
$1,432 NZD
A$1,242 AUD
View
A
Retailer 13
-
$1,494 NZD
$842 USD
View
B+
Retailer 14
-
$1,771 NZD
$998 USD
View
B+
Retailer 15
-
$1,893 NZD
$1,067 USD
View
B+
Retailer 16
-
$1,983 NZD
$1,118 USD
View
B+
Retailer 17
-
$1,990 NZD
SGD 1,516 SGD
View
B+
Retailer 18
-
$2,204 NZD
$1,242 USD
View
B+
Retailer 19
-
$2,362 NZD
£1,048 GBP
View
Most Expensive
B
Brilliant Earth
22143105A · Oct 30
$3,921 NZD
$2,210 USD
View
19 more retailers have this diamond
Prices start from $476 NZDSave up to $3,446 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
1.38ct Heart
$476 NZD