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Heart|Lab Grown|IGI

1.55ct F IF Heart Lab Grown Diamond

EX • F/IF • IGI LG787622163

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG787622163

Diamond specifications and retailer prices

From $411 AUD
As of November 4, 2026
Save $2,874 AUD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,286 AUD at Brilliant Earth · As of November 5, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787622163 or 787622163. Listed at 24 retailers as of November 4, 2026, with prices from $411 to $3,286, a $2,874 spread on the same certified stone. Brilliant Earth lists it at $3,286. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787622163
Dimensions6.84 × 8.07 × 4.79 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.84 mm8.07 mm1.55 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787622163
Side View
Table 59.0%Crown 34.5°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 59.4%

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 4
Current: $3,286 AUD|Low: $411 AUD|High: $4,385 AUD|Avg: $1,180 AUD|-25.1%
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 21
November 5, 2026
Retailer 21$411 AUD
Retailer 11$460 AUD
Retailer 19$477 AUD
Retailer 8$510 AUD
Retailer 2$521 AUD
Retailer 4$686 AUD
Retailer 10$736 AUD
Retailer 18$879 AUD
Retailer 13$886 AUD
Retailer 12$981 AUD
Retailer 20$991 AUD
Retailer 16$1,194 AUD
Retailer 17$1,317 AUD
Retailer 6$1,497 AUD
Retailer 9$1,597 AUD
Retailer 14$1,638 AUD
Retailer 7$1,707 AUD
Retailer 3$1,824 AUD
Retailer 15$2,037 AUD
Retailer 5$2,104 AUD
Brilliant Earth$3,286 AUD

32 data points across 21 retailers

24 retailers$411 AUD to $3,286 AUD

A
Cheapest Retailer
-
$411 AUD
A
Retailer 2
-
$460 AUD
View
Final sale: no returns
A
Retailer 3
-
$477 AUD
View
A
Retailer 4
-
$510 AUD
View
A
Retailer 5
-
$521 AUD
View
Retailer 6
-
$526 AUD
View
Price last confirmed 12 days ago
A
Retailer 7
-
$686 AUD
View
A
Retailer 8
-
$736 AUD
View
A
Retailer 9
-
$879 AUD
View
A
Retailer 10
-
$886 AUD
View
A
Retailer 11
-
$981 AUD
View
A
Retailer 12
-
$991 AUD
View
A
Retailer 13
-
$1,194 AUD
View
B+
Retailer 14
-
$1,317 AUD
View
B+
Retailer 15
-
$1,497 AUD
View
B+
Retailer 16
-
$1,597 AUD
View
B+
Retailer 17
-
$1,638 AUD
View
B+
Retailer 18
-
$1,707 AUD
View
B+
Retailer 19
-
$1,824 AUD
View
B+
Retailer 20
-
$2,037 AUD
View
B+
Retailer 21
-
$2,104 AUD
View
B
Retailer 22
-
$3,228 AUD
View
Retailer 23
-
$3,237 AUD
View
Price last confirmed 35 days ago
Most Expensive
B
Brilliant Earth
19073984A · Nov 5
$3,286 AUD
$2,300 USD
View
23 more retailers have this diamond
Prices start from $411 AUDSave up to $2,874 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
$411 AUD