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Radiant|Lab Grown|IGI

1.50ct H SI1 Radiant Lab Grown Diamond

EX • H/SI1 • IGI LG529287230

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

Certificate IGI LG529287230

Diamond specifications and retailer prices

From $608 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: $608 USD at B2C Jewels
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 B2C Jewels

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529287230 or 529287230. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.50
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529287230
Dimensions7.71 × 5.65 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.71 mm5.65 mm1.50 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529287230
Side View
Table 65.5%Crown 46.7°Girdle: STK-THKPavilion 35.4°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $608 USD|Low: $586 USD|High: $743 USD|Avg: $646 USD|-18.2%
September 23, 2026
B2C Jewels$608 USD

3 data points across 1 retailer

1 retailer

B+
B2C Jewels
20604442 · Nov 1
$608 USD
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B+
1.50ct Radiant
$608 USD