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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG654450368

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG654450368

Diamond specifications and retailer prices

From $177 CAD
$127 USD
As of October 30, 2026
Save $633 CAD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $810 CAD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant 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 LG654450368 or 654450368. Listed at 12 retailers as of October 29, 2026, with prices from $177 to $810, a $633 spread on the same certified stone. Diamond Quarter lists it at $810. 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

1.01
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654450368
Dimensions7.27 × 4.86 × 3.31 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.27 mm4.86 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654450368
Side View
Table 63.0%Crown 45.3°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.1%

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 30
Current: $177 CAD|Low: $177 CAD|High: $1,341 CAD|Avg: $511 CAD
Retailer 1
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
Retailer 15
October 30, 2026
Retailer 1$177 CAD
Retailer 3$205 CAD
Retailer 10$219 CAD
Retailer 2$250 CAD
Retailer 8$263 CAD
Retailer 4$340 CAD
Retailer 9$365 CAD
Retailer 15$416 CAD
Retailer 14$418 CAD
Retailer 13$437 CAD
Retailer 11$564 CAD
Retailer 12$705 CAD
Retailer 6$801 CAD
Retailer 5$861 CAD
Retailer 7$1,341 CAD

3 data points across 15 retailers

12 retailers$177 CAD to $810 CAD

A
Cheapest Retailer
-
$177 CAD
$127 USD
A
Retailer 2
-
$205 CAD
$147 USD
View
A
Retailer 3
-
$219 CAD
$157 USD
View
A
Retailer 4
-
$250 CAD
HK$1,400 HKD
View
A
Retailer 5
-
$263 CAD
£148 GBP
View
A
Retailer 6
-
$365 CAD
£206 GBP
View
A
Retailer 7
-
$416 CAD
£235 GBP
View
B+
Retailer 8
-
$418 CAD
$299 USD
View
A
Retailer 9
-
$437 CAD
$313 USD
View
B+
Retailer 10
-
$564 CAD
$404 USD
View
B+
Retailer 11
-
$705 CAD
$505 USD
View
Most Expensive
B
Diamond Quarter
1.01SI1DLG68BFEEN · Oct 29
$810 CAD
£457 GBP
View
11 more retailers have this diamond
Prices start from $177 CADSave up to $633 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
1.01ct Radiant
$177 CAD