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Heart|Lab Grown|IGI

1.55ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG722564049

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG722564049

Diamond specifications and retailer prices

From $599 NZD
$337 USD
As of November 1, 2026
Save $4,662 NZD (89%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,261 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct 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 LG722564049 or 722564049. Listed at 8 retailers as of October 31, 2026, with prices from $599 to $5,261, a $4,662 spread on the same certified stone. Brilliant Earth lists it at $5,261. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722564049
Dimensions8.02 × 6.93 × 4.75 mm
L/W Ratio1.16
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
8.02 mm6.93 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722564049
Side View
Table 60.0%Crown 35.5°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,261 NZD|Low: $599 NZD|High: $5,421 NZD|Avg: $2,264 NZD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$599 NZD
Retailer 3$1,004 NZD
Retailer 2$1,181 NZD
Retailer 8$1,955 NZD
Retailer 7$2,129 NZD
Retailer 5$2,296 NZD
Retailer 4$2,679 NZD
Brilliant Earth$5,261 NZD

42 data points across 8 retailers

8 retailers$599 NZD to $5,261 NZD

A
Cheapest Retailer
-
$599 NZD
$337 USD
Final sale: no returns
A
Retailer 2
-
$1,004 NZD
$565 USD
View
A
Retailer 3
-
$1,181 NZD
£523 GBP
View
A
Retailer 4
-
$1,955 NZD
$1,100 USD
View
A
Retailer 5
-
$2,129 NZD
SGD 1,619 SGD
View
B+
Retailer 6
-
$2,296 NZD
$1,292 USD
View
B+
Retailer 7
-
$2,679 NZD
£1,187 GBP
View
Most Expensive
B
Brilliant Earth
15964493A · Oct 31
$5,261 NZD
$2,960 USD
View
7 more retailers have this diamond
Prices start from $599 NZDSave up to $4,662 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
1.55ct Heart
$599 NZD