CaratHunter
Plans
Heart|Lab Grown|IGI

1.51ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG722564061

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG722564061

Diamond specifications and retailer prices

From $584 NZD
$329 USD
As of November 1, 2026
Save $4,792 NZD (89%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,376 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct 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 LG722564061 or 722564061. Listed at 8 retailers as of October 31, 2026, with prices from $584 to $5,376, a $4,792 spread on the same certified stone. Brilliant Earth lists it at $5,376. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722564061
Dimensions8.16 × 7.07 × 4.75 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
8.16 mm7.07 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722564061
Side View
Table 56.0%Crown 33.4°Girdle: MED-THKPavilion 42°Culet: NoneDepth 58.2%

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: $5,376 NZD|Low: $584 NZD|High: $6,157 NZD|Avg: $2,207 NZD|-12.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$584 NZD
Retailer 4$976 NZD
Retailer 2$1,149 NZD
Retailer 6$2,084 NZD
Retailer 7$2,214 NZD
Retailer 3$2,598 NZD
Brilliant Earth$5,376 NZD

43 data points across 7 retailers

8 retailers$584 NZD to $5,376 NZD

A
Cheapest Retailer
-
$584 NZD
$329 USD
Final sale: no returns
A
Retailer 2
-
$976 NZD
$550 USD
View
A
Retailer 3
-
$1,149 NZD
£510 GBP
View
A
Retailer 4
-
$1,859 NZD
$1,048 USD
View
B+
Retailer 5
-
$2,084 NZD
SGD 1,587 SGD
View
B+
Retailer 6
-
$2,214 NZD
$1,248 USD
View
B+
Retailer 7
-
$2,598 NZD
£1,153 GBP
View
Most Expensive
B
Brilliant Earth
15964492A · Oct 31
$5,376 NZD
$3,030 USD
View
7 more retailers have this diamond
Prices start from $584 NZDSave up to $4,792 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
1.51ct Heart
$584 NZD