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Princess|Lab Grown|IGI

1.51ct E SI1 Princess Lab Grown Diamond

EX • E/SI1 • IGI LG497157937

Shape and cutting style on the report: Princess cut

Certificate IGI LG497157937

Diamond specifications and retailer prices

From $2,659 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $2,659 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 princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497157937 or 497157937. 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
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497157937
Dimensions6.21 × 6.14 mm
L/W Ratio1.01
Culet sizePointed
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
6.21 mm6.14 mm1.51 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497157937
Side View
Table 67.5%Crown 40.8°Girdle: Slightly ThickPavilion 39.4°Culet: NoneDepth 73.3%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 29
Current: $2,659 USD|Low: $2,543 USD|High: $4,278 USD|Avg: $3,190 USD|-37.8%
September 23, 2026
B2C Jewels$2,659 USD

4 data points across 1 retailer

1 retailer

C
B2C Jewels
19409257 · Oct 29
$2,659 USD
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C
1.51ct Princess
$2,659 USD