CaratHunter
Plans
Heart|Lab Grown|IGI

1.50ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG685557009

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG685557009

Diamond specifications and retailer prices

From $1,150 NZD
$648 USD
As of November 1, 2026
Save $1,847 NZD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,174 NZD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

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 LG685557009 or 685557009. Listed at 8 retailers as of November 1, 2026, with a 161% 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 angle41.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685557009
Dimensions6.92 × 7.59 × 4.80 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
6.92 mm7.59 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685557009
Side View
Table 61.0%Crown 41.2°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 63.2%

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: Nov 1
Current: $4,174 NZD|Low: $1,081 NZD|High: $5,412 NZD|Avg: $2,403 NZD|+2.2%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4$1,094 NZD
Retailer 5$1,150 NZD
Retailer 6$1,166 NZD
Retailer 2$1,267 NZD
Retailer 9$1,796 NZD
Retailer 8$2,360 NZD
Retailer 3$2,841 NZD
Retailer 10$2,936 NZD
Novita Diamonds$4,174 NZD
Retailer 7$5,412 NZD

43 data points across 10 retailers

8 retailers$1,150 NZD to $2,997 NZD

A
Cheapest Retailer
-
$1,150 NZD
$648 USD
A
Retailer 2
-
$1,166 NZD
$657 USD
View
A
Retailer 3
-
$1,267 NZD
£562 GBP
View
A
Retailer 4
-
$1,796 NZD
$1,012 USD
View
B+
Retailer 5
-
$2,360 NZD
$1,330 USD
View
B+
Retailer 6
-
$2,841 NZD
£1,261 GBP
View
B+
Retailer 7
-
$2,997 NZD
$1,689 USD
View
Most Expensive
Novita Diamonds
cert_685557009 · Oct 8
$4,174 NZD
A$3,619 AUD
View
Price last confirmed 25 days ago
7 more retailers have this diamond
Prices start from $1,150 NZDSave up to $1,847 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
$1,150 NZD