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Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG623481707

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG623481707

Diamond specifications and retailer prices

From $713 NZD
$402 USD
As of October 30, 2026
Save $2,594 NZD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,163 NZD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG623481707 or 623481707. Listed at 18 retailers as of October 30, 2026, with a 364% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623481707
Dimensions6.82 × 7.82 × 4.72 mm
L/W Ratio1.15
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
6.82 mm7.82 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623481707
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 60.4%

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: $5,163 NZD|Low: $685 NZD|High: $5,163 NZD|Avg: $1,843 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
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 15$713 NZD
Retailer 7$797 NZD
Retailer 5$798 NZD
Retailer 3$884 NZD
Retailer 6$884 NZD
Retailer 11$1,144 NZD
Retailer 14$1,189 NZD
Retailer 2$1,439 NZD
Retailer 10$1,518 NZD
Retailer 8$1,845 NZD
Retailer 13$2,056 NZD
Retailer 9$2,057 NZD
Retailer 4$2,841 NZD
Retailer 16$3,307 NZD
Retailer 12$3,470 NZD
Brilliant Earth$5,163 NZD

44 data points across 16 retailers

18 retailers$713 NZD to $3,307 NZD

A
Cheapest Retailer
-
$713 NZD
$402 USD
A
Retailer 2
-
$797 NZD
$449 USD
View
Final sale: no returns
A
Retailer 3
-
$798 NZD
$450 USD
View
Retailer 4
-
$884 NZD
$498 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$884 NZD
$498 USD
View
A
Retailer 6
-
$1,144 NZD
$645 USD
View
A
Retailer 7
-
$1,189 NZD
$670 USD
View
A
Retailer 8
-
$1,439 NZD
£639 GBP
View
A
Retailer 9
-
$1,518 NZD
ZAR 13,825 ZAR
View
A
Retailer 10
-
$1,845 NZD
$1,040 USD
View
B+
Retailer 11
-
$2,056 NZD
$1,159 USD
View
A
Retailer 12
-
$2,057 NZD
A$1,784 AUD
View
B+
Retailer 13
-
$2,841 NZD
$1,601 USD
View
B+
Retailer 14
-
$2,904 NZD
$1,637 USD
View
B
Retailer 15
-
$3,259 NZD
$1,837 USD
View
B
Retailer 16
-
$3,307 NZD
$1,864 USD
View
Retailer 17
-
$3,470 NZD
£1,540 GBP
View
Price last confirmed 14 days ago
Most Expensive
Brilliant Earth
21385356A · Oct 8
$5,163 NZD
$2,910 USD
View
Price last confirmed 24 days ago
17 more retailers have this diamond
Prices start from $713 NZDSave up to $2,594 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
1.50ct Heart
$713 NZD