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Heart|Lab Grown|IGI

1.55ct F SI1 Heart Lab Grown Diamond

VG • F/SI1 • IGI LG594313111

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG594313111

Diamond specifications and retailer prices

From $390 AUD
As of November 1, 2026
Save $2,637 AUD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,027 AUD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG594313111 or 594313111. Listed at 13 retailers as of November 6, 2026, with prices from $390 to $3,027, a $2,637 spread on the same certified stone. Do Amore Diamonds lists it at $3,027. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594313111
Dimensions7.06 × 7.96 × 4.77 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
7.06 mm7.96 mm1.55 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594313111
Side View
Table 56.0%Crown 37°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.9%

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: $3,027 AUD|Low: $390 AUD|High: $3,027 AUD|Avg: $1,141 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$390 AUD
Retailer 2$547 AUD
Retailer 7$668 AUD
Retailer 8$763 AUD
Retailer 3$806 AUD
Retailer 5$1,259 AUD
Retailer 4$1,720 AUD
Do Amore Diamonds$3,027 AUD

45 data points across 8 retailers

13 retailers$390 AUD to $3,027 AUD

A
Cheapest Retailer
-
$390 AUD
Retailer 2
-
$390 AUD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$390 AUD
View
A
Retailer 4
-
$547 AUD
View
A
Retailer 5
-
$553 AUD
View
B+
Retailer 6
-
$668 AUD
View
B+
Retailer 7
-
$763 AUD
View
B+
Retailer 8
-
$806 AUD
View
B
Retailer 9
-
$1,259 AUD
View
B
Retailer 10
-
$1,384 AUD
View
Retailer 11
-
$1,384 AUD
View
Price last confirmed 38 days ago
B
Retailer 12
-
$1,720 AUD
View
Most Expensive
B
Do Amore Diamonds
27-8E3FBB8DD · Nov 6
$3,027 AUD
$2,080 USD
View
12 more retailers have this diamond
Prices start from $390 AUDSave up to $2,637 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
$390 AUD