CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG447099364

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447099364

Diamond specifications and retailer prices

From $1,173 CAD
As of November 5, 2026
Save $5,258 CAD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,431 CAD at MOH London · As of November 3, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099364 or 447099364. Listed at 10 retailers as of November 3, 2026, with prices from $1,173 to $6,431, a $5,258 spread on the same certified stone. MOH London lists it at $6,431. 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

1.51
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099364
Dimensions7.45 × 7.41 × 4.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.45 mm7.41 mm1.51 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099364
Side View
Table 59.5%Crown 32.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.5%

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 5
Current: $6,431 CAD|Low: $1,173 CAD|High: $6,518 CAD|Avg: $2,824 CAD
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 1, 2026
Retailer 2$1,173 CAD
Retailer 12$1,286 CAD
Retailer 5$1,726 CAD
Retailer 8$1,931 CAD
Retailer 6$2,001 CAD
Retailer 9$2,001 CAD
Retailer 3$2,339 CAD
Retailer 11$2,821 CAD
Retailer 7$3,174 CAD
Retailer 10$3,835 CAD
Retailer 4$4,482 CAD
MOH London$6,431 CAD

13 data points across 12 retailers

10 retailers$1,173 CAD to $6,431 CAD

A
Cheapest Retailer
-
$1,173 CAD
B+
Retailer 2
-
$1,726 CAD
View
B+
Retailer 3
-
$1,877 CAD
View
B+
Retailer 4
-
$1,931 CAD
View
Final sale: no returns
Retailer 5
-
$2,001 CAD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,001 CAD
View
B
Retailer 7
-
$3,174 CAD
View
B
Retailer 8
-
$3,753 CAD
View
B
Retailer 9
-
$3,835 CAD
View
Most Expensive
B
MOH London
LG447099364 · Nov 3
$6,431 CAD
£3,626 GBP
View
9 more retailers have this diamond
Prices start from $1,173 CADSave up to $5,258 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 Round
$1,173 CAD