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Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG743578833

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG743578833

Diamond specifications and retailer prices

From $654 NZD
$368 USD
As of October 30, 2026
Save $2,810 NZD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,464 NZD at With Clarity · As of November 2, 2026
View at With Clarity

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 LG743578833 or 743578833. Listed at 21 retailers as of October 30, 2026, with prices from $654 to $3,464, a $2,810 spread on the same certified stone. With Clarity lists it at $3,464. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743578833
Dimensions7.43 × 7.94 × 4.43 mm
L/W Ratio1.07
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
7.43 mm7.94 mm1.50 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743578833
Side View
Table 59.0%Crown 32.4°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 55.8%

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: $834 NZD|Low: $627 NZD|High: $3,203 NZD|Avg: $1,492 NZD|-1.0%
Retailer 1
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 1, 2026
Retailer 13$654 NZD
Retailer 5$757 NZD
Retailer 2$810 NZD
Retailer 1$834 NZD
Retailer 11$1,075 NZD
Retailer 4$1,088 NZD
Retailer 7$1,299 NZD
Retailer 10$1,392 NZD
Retailer 6$1,450 NZD
Retailer 8$1,880 NZD
Retailer 12$2,376 NZD
Retailer 3$2,822 NZD
Retailer 9$3,183 NZD

35 data points across 13 retailers

21 retailers$654 NZD to $3,464 NZD

A
Cheapest Retailer
-
$654 NZD
$368 USD
A
Retailer 2
-
$732 NZD
$412 USD
View
Final sale: no returns
A
Retailer 3
-
$757 NZD
$426 USD
View
Retailer 4
-
$810 NZD
$456 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$810 NZD
$456 USD
View
A
Retailer 6
-
$834 NZD
£369 GBP
View
A
Retailer 7
-
$1,075 NZD
$605 USD
View
A
Retailer 8
-
$1,088 NZD
$612 USD
View
A
Retailer 9
-
$1,260 NZD
$709 USD
View
A
Retailer 10
-
$1,299 NZD
€696 EUR
View
A
Retailer 11
-
$1,392 NZD
ZAR 12,652 ZAR
View
A
Retailer 12
-
$1,450 NZD
£642 GBP
View
A
Retailer 13
-
$1,825 NZD
$1,027 USD
View
A
Retailer 14
-
$1,880 NZD
A$1,627 AUD
View
B+
Retailer 15
-
$2,376 NZD
$1,337 USD
View
B+
Retailer 16
-
$2,604 NZD
$1,465 USD
View
B+
Retailer 17
-
$2,674 NZD
$1,505 USD
View
B+
Retailer 18
-
$2,822 NZD
$1,588 USD
View
B
Retailer 19
-
$3,059 NZD
$1,721 USD
View
B+
Retailer 20
-
$3,183 NZD
£1,410 GBP
View
Most Expensive
B
With Clarity
743578833 · Nov 2
$3,464 NZD
$1,949 USD
View
20 more retailers have this diamond
Prices start from $654 NZDSave up to $2,810 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
$654 NZD