CaratHunter
Plans
Heart|Lab Grown|IGI

1.51ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG459130247

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG459130247

Diamond specifications and retailer prices

From $292 CAD
$209 USD
As of October 30, 2026
Save $2,516 CAD (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,808 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG459130247 or 459130247. Listed at 8 retailers as of October 29, 2026, with prices from $292 to $2,808, a $2,516 spread on the same certified stone. Do Amore Diamonds lists it at $2,808. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.8°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG459130247
Dimensions7.92 × 6.78 × 4.54 mm
L/W Ratio1.17
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
7.92 mm6.78 mm1.51 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG459130247
Side View
Table 60.5%Crown 35.8°Girdle: THK-VTKPavilion 37.9°Culet: NoneDepth 57.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,808 CAD|Low: $222 CAD|High: $2,864 CAD|Avg: $1,040 CAD|-2.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 26, 2026
Retailer 4$292 CAD
Retailer 6$327 CAD
Retailer 5$623 CAD
Retailer 7$673 CAD
Retailer 8$726 CAD
Retailer 9$812 CAD
Retailer 10$1,040 CAD
Retailer 3$1,169 CAD
Retailer 2$1,606 CAD
Do Amore Diamonds$2,808 CAD

12 data points across 10 retailers

8 retailers$292 CAD to $2,808 CAD

A
Cheapest Retailer
-
$292 CAD
$209 USD
A
Retailer 2
-
$327 CAD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$339 CAD
$243 USD
View
B
Retailer 4
-
$623 CAD
$446 USD
View
B
Retailer 5
-
$1,169 CAD
$837 USD
View
B
Retailer 6
-
$1,285 CAD
$920 USD
View
B
Retailer 7
-
$1,606 CAD
£905 GBP
View
Most Expensive
C
Do Amore Diamonds
27-3A9B3D2D2 · Oct 29
$2,808 CAD
$2,010 USD
View
7 more retailers have this diamond
Prices start from $292 CADSave up to $2,516 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
1.51ct Heart
$292 CAD