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Heart|Lab Grown|IGI

1.55ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG836620576

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836620576

Diamond specifications and retailer prices

From $1,132 NZD
$636 USD
As of October 27, 2026
Save $5,883 NZD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,015 NZD at Brilliant Earth · As of October 28, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836620576 or 836620576. Listed at 18 retailers as of October 27, 2026, with prices from $1,132 to $7,015, a $5,883 spread on the same certified stone. Brilliant Earth lists it at $7,015. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620576
Dimensions7.97 × 7.15 × 4.48 mm
L/W Ratio1.11
Girdle conditionFaceted
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
7.97 mm7.15 mm1.55 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620576
Side View
Table 64.0%Crown 39.7°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 56.2%

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: Oct 27
Current: $7,015 NZD|Low: $1,132 NZD|High: $7,015 NZD|Avg: $3,249 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
Retailer 17
Retailer 18
October 30, 2026
Retailer 5$1,132 NZD
Retailer 16$1,232 NZD
Retailer 7$1,314 NZD
Retailer 8$1,314 NZD
Retailer 12$1,455 NZD
Retailer 15$1,629 NZD
Retailer 2$2,099 NZD
Retailer 4$2,099 NZD
Retailer 6$2,147 NZD
Retailer 11$2,415 NZD
Retailer 18$3,057 NZD
Retailer 9$3,695 NZD
Retailer 3$4,318 NZD
Retailer 10$4,536 NZD
Retailer 14$5,240 NZD
Retailer 13$5,559 NZD
Retailer 17$5,567 NZD
Brilliant Earth$7,015 NZD

39 data points across 18 retailers

18 retailers$1,132 NZD to $7,015 NZD

A
Cheapest Retailer
-
$1,132 NZD
$636 USD
A
Retailer 2
-
$1,232 NZD
$692 USD
View
A
Retailer 3
-
$1,314 NZD
$738 USD
View
Retailer 4
-
$1,314 NZD
$738 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,455 NZD
$817 USD
View
Final sale: no returns
A
Retailer 6
-
$1,629 NZD
$915 USD
View
A
Retailer 7
-
$2,099 NZD
£928 GBP
View
A
Retailer 8
-
$2,099 NZD
$1,179 USD
View
A
Retailer 9
-
$2,147 NZD
$1,206 USD
View
B+
Retailer 10
-
$2,415 NZD
ZAR 21,910 ZAR
View
B+
Retailer 11
-
$3,057 NZD
$1,717 USD
View
B+
Retailer 12
-
$3,695 NZD
$2,075 USD
View
B+
Retailer 13
-
$4,318 NZD
$2,425 USD
View
B
Retailer 14
-
$4,536 NZD
$2,548 USD
View
B
Retailer 15
-
$5,240 NZD
SGD 3,977 SGD
View
B
Retailer 16
-
$5,559 NZD
$3,122 USD
View
B
Retailer 17
-
$5,567 NZD
£2,462 GBP
View
Most Expensive
B
Brilliant Earth
21433409A · Oct 28
$7,015 NZD
$3,940 USD
View
17 more retailers have this diamond
Prices start from $1,132 NZDSave up to $5,883 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
$1,132 NZD