CaratHunter
Plans
Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG780664743

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780664743

Diamond specifications and retailer prices

From $203 CAD
As of November 5, 2026
Save $972 CAD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,174 CAD at MOH London · As of November 4, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round 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 LG780664743 or 780664743. Listed at 11 retailers as of November 4, 2026, with prices from $203 to $1,174, a $972 spread on the same certified stone. MOH London lists it at $1,174. 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

1.05
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780664743
Dimensions6.56 × 6.51 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.56 mm6.51 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780664743
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.2%

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: $1,174 CAD|Low: $170 CAD|High: $1,451 CAD|Avg: $726 CAD|-2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 2$203 CAD
Retailer 11$232 CAD
Retailer 13$427 CAD
Retailer 10$465 CAD
Retailer 6$492 CAD
Retailer 4$570 CAD
Retailer 8$595 CAD
Retailer 9$810 CAD
Retailer 7$856 CAD
Retailer 3$887 CAD
MOH London$1,174 CAD
Retailer 12$1,229 CAD
Retailer 5$1,451 CAD

20 data points across 13 retailers

11 retailers$203 CAD to $1,174 CAD

A
Cheapest Retailer
-
$203 CAD
Retailer 2
-
$207 CAD
View
Price last confirmed 45 days ago
A
Retailer 3
-
$232 CAD
View
Final sale: no returns
Retailer 4
-
$240 CAD
View
Price last confirmed 45 days ago
A
Retailer 5
-
$465 CAD
View
Retailer 6
-
$492 CAD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$595 CAD
View
B
Retailer 8
-
$810 CAD
View
Retailer 9
-
$827 CAD
View
Price last confirmed 41 days ago
B
Retailer 10
-
$856 CAD
View
Most Expensive
B
MOH London
LG780664743 · Nov 4
$1,174 CAD
£662 GBP
View
10 more retailers have this diamond
Prices start from $203 CADSave up to $972 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
1.05ct Round
$203 CAD