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Heart|Lab Grown|IGI

1.50ct D SI1 Heart Lab Grown Diamond

VG • D/SI1 • IGI LG831623817

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG831623817

Diamond specifications and retailer prices

From $301 AUD
As of November 6, 2026
Save $1,468 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,769 AUD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG831623817 or 831623817. Listed at 15 retailers as of November 6, 2026, with prices from $301 to $1,769, a $1,468 spread on the same certified stone. Reve Diamonds lists it at $1,769. 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

1.50
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831623817
Dimensions7.39 × 7.71 × 4.56 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm7.71 mm1.50 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831623817
Side View
Table 70.0%Crown 32.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.1%

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 6
Current: $681 AUD|Low: $338 AUD|High: $1,769 AUD|Avg: $838 AUD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
November 6, 2026
Retailer 6$338 AUD
Retailer 5$374 AUD
Retailer 8$502 AUD
Retailer 3$620 AUD
Retailer 1$681 AUD
Retailer 9$712 AUD
Retailer 7$1,205 AUD
Retailer 4$1,278 AUD
Retailer 2$1,490 AUD
Reve Diamonds$1,769 AUD

24 data points across 10 retailers

15 retailers$301 AUD to $1,769 AUD

A
Cheapest Retailer
-
$301 AUD
A
Retailer 2
-
$338 AUD
View
Final sale: no returns
Retailer 3
-
$374 AUD
View
Price last confirmed 18 days ago
Retailer 4
-
$374 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$374 AUD
View
B+
Retailer 6
-
$502 AUD
View
B+
Retailer 7
-
$620 AUD
View
B+
Retailer 8
-
$681 AUD
View
B+
Retailer 9
-
$712 AUD
View
Retailer 10
-
$1,201 AUD
View
Price last confirmed 17 days ago
B
Retailer 11
-
$1,201 AUD
View
B
Retailer 12
-
$1,205 AUD
View
B
Retailer 13
-
$1,278 AUD
View
B
Retailer 14
-
$1,490 AUD
View
Most Expensive
B
Reve Diamonds
5921A6628 · Nov 6
$1,769 AUD
$1,216 USD
View
14 more retailers have this diamond
Prices start from $301 AUDSave up to $1,468 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
1.50ct Heart
$301 AUD