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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 $673 USD
As of November 6, 2026
Save $573 USD (46%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,246 USD 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 $673 to $1,246, a $573 spread on the same certified stone. Diamond Exchange Canada lists it at $1,246. 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
Color
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: $1,246 USD|Low: $673 USD|High: $1,246 USD|Avg: $953 USD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$673 USD
Retailer 4$767 USD
Retailer 3$1,126 USD
Diamond Exchange Canada$1,246 USD

2 data points across 4 retailers

2 retailers$673 USD to $1,246 USD

B
Cheapest Retailer
-
$673 USD
Most Expensive
C
Diamond Exchange Canada
1787455252 · Nov 5
$1,246 USD
CA$1,730 CAD
View
1 more retailer has this diamond
Prices start from $673 USDSave up to $573 USD

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
$673 USD