CaratHunter
Plans
Round|Lab Grown|IGI

1.30ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG451057283

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057283

Diamond specifications and retailer prices

From $916 CAD
$656 USD
As of October 29, 2026
Save $3,568 CAD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,485 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057283 or 451057283. Listed at 10 retailers as of October 26, 2026, with prices from $916 to $4,485, a $3,568 spread on the same certified stone. MOH London lists it at $4,485. 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

1.30
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057283
Dimensions6.91 × 6.95 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
6.91 mm6.95 mm1.30 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057283
Side View
Table 55.5%Crown 36.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.9%

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 29
Current: $4,485 CAD|Low: $880 CAD|High: $4,533 CAD|Avg: $1,901 CAD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 5$916 CAD
Retailer 8$997 CAD
Retailer 10$1,025 CAD
Retailer 2$1,034 CAD
Retailer 6$1,063 CAD
Retailer 11$1,720 CAD
Retailer 7$1,735 CAD
Retailer 3$2,379 CAD
Retailer 4$2,716 CAD
Retailer 9$2,989 CAD
MOH London$4,485 CAD

16 data points across 11 retailers

10 retailers$916 CAD to $4,485 CAD

A
Cheapest Retailer
-
$916 CAD
$656 USD
A
Retailer 2
-
$997 CAD
$714 USD
View
A
Retailer 3
-
$1,025 CAD
$734 USD
View
Final sale: no returns
A
Retailer 4
-
$1,034 CAD
$740 USD
View
Retailer 5
-
$1,063 CAD
$761 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,063 CAD
$761 USD
View
B+
Retailer 7
-
$1,735 CAD
$1,242 USD
View
B
Retailer 8
-
$2,716 CAD
$1,944 USD
View
B
Retailer 9
-
$2,989 CAD
$2,140 USD
View
Most Expensive
B
MOH London
LG451057283 · Oct 26
$4,485 CAD
£2,528 GBP
View
9 more retailers have this diamond
Prices start from $916 CADSave up to $3,568 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
1.30ct Round
$916 CAD