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Radiant|Lab Grown|IGI

1.52ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG510177411

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

Certificate IGI LG510177411

Diamond specifications and retailer prices

From $1,057 CAD
£594 GBP
As of October 29, 2026
2 retailers carry this diamond
Only listing: $1,057 CAD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 1.52ct lab-grown radiant diamond

This 1.52ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG510177411 or 510177411. Listed at 2 retailers as of October 29, 2026. 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

1.52
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510177411
Dimensions8.05 × 5.73 × 3.83 mm
L/W Ratio1.40
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
8.05 mm5.73 mm1.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510177411
Side View
Table 64.0%Crown 42.4°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 66.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $2,743 CAD|Low: $630 CAD|High: $2,967 CAD|Avg: $1,598 CAD|-7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
January 22, 2026
Retailer 2$630 CAD
Retailer 4$919 CAD
Retailer 3$1,310 CAD
Retailer 5$1,542 CAD
Retailer 1$2,743 CAD

26 data points across 5 retailers

2 retailers

B
Diamond Quarter
1.52SI1DLG112876N · Oct 29
$1,057 CAD
£594 GBP
View

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B
1.52ct Radiant
$1,057 CAD