CaratHunter
Plans
Round|Lab Grown|IGI

1.25ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG772661061

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772661061

Diamond specifications and retailer prices

From $237 CAD
As of November 1, 2026
Save $1,143 CAD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,380 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.25ct lab-grown round diamond

This 1.25ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG772661061 or 772661061. Listed at 14 retailers as of November 1, 2026, with prices from $237 to $1,380, a $1,143 spread on the same certified stone. MOH London lists it at $1,380. 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

1.25
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772661061
Dimensions6.94 × 6.91 × 4.23 mm
L/W Ratio1.00
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
6.94 mm6.91 mm1.25 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772661061
Side View
Table 57.0%Crown 33.7°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.0%

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 1
Current: $1,380 CAD|Low: $229 CAD|High: $1,421 CAD|Avg: $593 CAD|-2.9%
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
Retailer 14
November 4, 2026
Retailer 12$237 CAD
Retailer 13$267 CAD
Retailer 5$295 CAD
Retailer 11$295 CAD
Retailer 8$506 CAD
Retailer 10$524 CAD
Retailer 3$527 CAD
Retailer 4$557 CAD
Retailer 9$582 CAD
Retailer 14$645 CAD
Retailer 2$677 CAD
Retailer 7$772 CAD
Retailer 6$838 CAD
MOH London$1,380 CAD

34 data points across 14 retailers

14 retailers$237 CAD to $1,380 CAD

A
Cheapest Retailer
-
$237 CAD
A
Retailer 2
-
$267 CAD
View
Final sale: no returns
Retailer 3
-
$295 CAD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$295 CAD
View
A
Retailer 5
-
$506 CAD
View
A
Retailer 6
-
$524 CAD
View
A
Retailer 7
-
$527 CAD
View
A
Retailer 8
-
$557 CAD
View
A
Retailer 9
-
$582 CAD
View
B+
Retailer 10
-
$645 CAD
View
B+
Retailer 11
-
$677 CAD
View
B+
Retailer 12
-
$772 CAD
View
B
Retailer 13
-
$838 CAD
View
Most Expensive
B
MOH London
LG772661061 · Nov 2
$1,380 CAD
£778 GBP
View
13 more retailers have this diamond
Prices start from $237 CADSave up to $1,143 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
1.25ct Round
$237 CAD