CaratHunter
Plans
Heart|Lab Grown|IGI

1.21ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG626496502

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG626496502

Diamond specifications and retailer prices

From $626 CAD
A$688 AUD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $626 CAD at GemTrove
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at GemTrove

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG626496502 or 626496502. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.21
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG626496502
Dimensions7.46 × 6.67 × 4.36 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.46 mm6.67 mm1.21 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG626496502
Side View
Table 60.0%Crown 33.7°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 58.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $626 CAD|Low: $413 CAD|High: $1,638 CAD|Avg: $678 CAD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 19, 2026
Retailer 2$413 CAD
Retailer 5$431 CAD
Retailer 3$504 CAD
Retailer 6$543 CAD
Retailer 4$591 CAD
GemTrove$626 CAD
Retailer 7$1,638 CAD

5 data points across 7 retailers

1 retailer

B+
GemTrove
GT-L-01036827-98 · Oct 29
$626 CAD
A$688 AUD
View

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+
1.21ct Heart
$626 CAD