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Heart|Lab Grown|IGI

1.00ct D SI1 Heart Lab Grown Diamond

ID • D/SI1 • IGI LG842625301

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842625301

Diamond specifications and retailer prices

From $392 CAD
£221 GBP
As of October 30, 2026
Save $1,556 CAD (80%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,948 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct 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 LG842625301 or 842625301. Listed at 5 retailers as of October 29, 2026, with prices from $392 to $1,948, a $1,556 spread on the same certified stone. MOH London lists it at $1,948. 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

1.00
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842625301
Dimensions7.05 × 6.28 × 3.87 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.05 mm6.28 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842625301
Side View
Table 60.0%Crown 34.4°Girdle: THK-VTKPavilion 37.7°Culet: NoneDepth 54.9%

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: Oct 30
Current: $1,948 CAD|Low: $380 CAD|High: $1,948 CAD|Avg: $674 CAD|+45.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 30, 2026
Retailer 2$392 CAD
Retailer 4$434 CAD
Retailer 5$438 CAD
Retailer 3$441 CAD
MOH London$1,948 CAD

17 data points across 5 retailers

5 retailers$392 CAD to $1,948 CAD

A
Cheapest Retailer
-
$392 CAD
£221 GBP
B+
Retailer 2
-
$434 CAD
$310 USD
View
B+
Retailer 3
-
$438 CAD
$313 USD
View
B+
Retailer 4
-
$441 CAD
£248 GBP
View
Most Expensive
C
MOH London
LG842625301 · Oct 29
$1,948 CAD
£1,096 GBP
View
4 more retailers have this diamond
Prices start from $392 CADSave up to $1,556 CAD

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
1.00ct Heart
$392 CAD