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Heart|Lab Grown|IGI

1.12ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG418020650

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG418020650

Diamond specifications and retailer prices

From $979 AUD
As of November 6, 2026
Save $834 AUD (46%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,813 AUD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 1.12ct lab-grown heart diamond

This 1.12ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG418020650 or 418020650. Listed at 2 retailers as of November 5, 2026, with prices from $979 to $1,813, a $834 spread on the same certified stone. Diamond Exchange Canada lists it at $1,813. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.12
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle34.8°
Pavilion angle43.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG418020650
Dimensions6.23 × 7.55 × 4.07 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.23 mm7.55 mm1.12 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG418020650
Side View
Table 61.0%Crown 34.8°Girdle: THN-STKPavilion 43.5°Culet: NoneDepth 65.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $1,813 AUD|Low: $979 AUD|High: $1,813 AUD|Avg: $1,388 AUD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$979 AUD
Retailer 4$1,116 AUD
Retailer 3$1,639 AUD
Diamond Exchange Canada$1,813 AUD

2 data points across 4 retailers

2 retailers$979 AUD to $1,813 AUD

B
Cheapest Retailer
-
$979 AUD
Most Expensive
C
Diamond Exchange Canada
1787455252 · Nov 5
$1,813 AUD
CA$1,730 CAD
View
1 more retailer has this diamond
Prices start from $979 AUDSave up to $834 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.

B
1.12ct Heart
$979 AUD