CaratHunter
Plans
Heart|Lab Grown|IGI

3.00ct G SI1 Heart Lab Grown Diamond

ID • G/SI1 • IGI LG508156284

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG508156284

Diamond specifications and retailer prices

From $782 CAD
As of November 6, 2026
Save $3,427 CAD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,209 CAD at MOH London · As of November 3, 2026
View at MOH London

About this 3ct lab-grown heart diamond

This 3ct lab-grown heart sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508156284 or 508156284. Listed at 14 retailers as of November 3, 2026, with prices from $782 to $4,209, a $3,427 spread on the same certified stone. MOH London lists it at $4,209. 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

3.00
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156284
Dimensions9.78 × 8.57 × 6.01 mm
L/W Ratio1.14
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
9.78 mm8.57 mm3.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156284
Side View
Table 58.5%Crown 42.6°Girdle: STK-VTKPavilion 42.7°Culet: NoneDepth 61.5%

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: Nov 6
Current: $4,209 CAD|Low: $751 CAD|High: $4,259 CAD|Avg: $1,805 CAD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 7$782 CAD
Retailer 4$875 CAD
Retailer 12$875 CAD
Retailer 9$969 CAD
Retailer 5$1,160 CAD
Retailer 3$1,356 CAD
Retailer 2$1,497 CAD
Retailer 11$1,497 CAD
Retailer 6$2,501 CAD
Retailer 10$2,550 CAD
Retailer 8$3,404 CAD
MOH London$4,209 CAD

45 data points across 12 retailers

14 retailers$782 CAD to $4,209 CAD

A
Cheapest Retailer
-
$782 CAD
A
Retailer 2
-
$875 CAD
View
Final sale: no returns
A
Retailer 3
-
$875 CAD
View
A
Retailer 4
-
$969 CAD
View
Retailer 5
-
$969 CAD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$1,160 CAD
View
A
Retailer 7
-
$1,356 CAD
View
B+
Retailer 8
-
$1,497 CAD
View
A
Retailer 9
-
$1,497 CAD
View
B+
Retailer 10
-
$2,501 CAD
View
B
Retailer 11
-
$2,550 CAD
View
B
Retailer 12
-
$3,078 CAD
View
B
Retailer 13
-
$3,404 CAD
View
Most Expensive
B
MOH London
LG508156284 · Nov 3
$4,209 CAD
£2,356 GBP
View
13 more retailers have this diamond
Prices start from $782 CADSave up to $3,427 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
3.00ct Heart
$782 CAD