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Radiant|Lab Grown|IGI

1.51ct D SI2 Radiant Lab Grown Diamond

EX • D/SI2 • IGI LG476156752

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

Certificate IGI LG476156752

Diamond specifications and retailer prices

From $544 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $544 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 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG476156752 or 476156752. Listed at a single retailer as of October 29, 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

1.51
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476156752
Dimensions7.87 × 5.83 mm
L/W Ratio1.35
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
7.87 mm5.83 mm1.51 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476156752
Side View
Table 64.0%Crown 45.7°Girdle: MED-STKPavilion 36.2°Culet: NoneDepth 69.0%

Caratlytics Score

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

Last verified: Oct 29
Current: $544 USD|Low: $529 USD|High: $629 USD|Avg: $567 USD|-13.5%
September 23, 2026
B2C Jewels$544 USD

3 data points across 1 retailer

1 retailer

B+
B2C Jewels
26718725 · Oct 29
$544 USD
View

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B+
1.51ct Radiant
$544 USD