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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 $905 AUD
$636 USD
As of October 30, 2026
Save $4,034 AUD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,940 AUD at Brilliant Earth · As of October 30, 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 30, 2026, with prices from $905 to $4,940, a $4,034 spread on the same certified stone. Brilliant Earth lists it at $4,940. 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 30
Current: $4,940 AUD|Low: $905 AUD|High: $5,609 AUD|Avg: $2,621 AUD|-11.9%
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 31, 2026
Retailer 5$905 AUD
Retailer 16$985 AUD
Retailer 7$1,051 AUD
Retailer 8$1,051 AUD
Retailer 12$1,163 AUD
Retailer 15$1,303 AUD
Retailer 2$1,678 AUD
Retailer 4$1,678 AUD
Retailer 6$1,717 AUD
Retailer 11$1,931 AUD
Retailer 18$2,444 AUD
Retailer 9$2,954 AUD
Retailer 3$3,452 AUD
Retailer 10$3,627 AUD
Retailer 14$4,190 AUD
Retailer 13$4,444 AUD
Retailer 17$4,451 AUD
Brilliant Earth$4,940 AUD

39 data points across 18 retailers

18 retailers$905 AUD to $4,940 AUD

A
Cheapest Retailer
-
$905 AUD
$636 USD
A
Retailer 2
-
$985 AUD
$692 USD
View
A
Retailer 3
-
$1,051 AUD
$738 USD
View
Retailer 4
-
$1,051 AUD
$738 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,163 AUD
$817 USD
View
Final sale: no returns
A
Retailer 6
-
$1,303 AUD
$915 USD
View
A
Retailer 7
-
$1,678 AUD
£928 GBP
View
B+
Retailer 8
-
$1,678 AUD
$1,179 USD
View
B+
Retailer 9
-
$1,717 AUD
$1,206 USD
View
B+
Retailer 10
-
$1,931 AUD
ZAR 21,910 ZAR
View
B+
Retailer 11
-
$2,444 AUD
$1,717 USD
View
B+
Retailer 12
-
$2,954 AUD
$2,075 USD
View
B+
Retailer 13
-
$3,452 AUD
$2,425 USD
View
B
Retailer 14
-
$3,627 AUD
$2,548 USD
View
B
Retailer 15
-
$4,190 AUD
SGD 3,977 SGD
View
B
Retailer 16
-
$4,444 AUD
$3,122 USD
View
B
Retailer 17
-
$4,451 AUD
£2,462 GBP
View
Most Expensive
B
Brilliant Earth
21433409A · Oct 30
$4,940 AUD
$3,470 USD
View
17 more retailers have this diamond
Prices start from $905 AUDSave up to $4,034 AUD

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
$905 AUD