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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 €606 EUR
$677 USD
As of November 1, 2026
Save €509 EUR (46%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,115 EUR at Diamond Exchange Canada · As of October 30, 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 October 30, 2026, with prices from €606 to €1,115, a €509 spread on the same certified stone. Diamond Exchange Canada lists it at €1,115. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,115 EUR|Low: €243 EUR|High: €1,115 EUR|Avg: €874 EUR|+2.9%
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
September 30, 2026
Retailer 2€606 EUR
Retailer 4€687 EUR
Retailer 3€1,008 EUR
Diamond Exchange Canada€1,115 EUR

48 data points across 4 retailers

2 retailers€606 EUR to €1,115 EUR

B
Cheapest Retailer
-
€606 EUR
$677 USD
Most Expensive
C
Diamond Exchange Canada
1787455252 · Oct 30
€1,115 EUR
CA$1,730 CAD
View
1 more retailer has this diamond
Prices start from €606 EURSave up to €509 EUR

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
€606 EUR