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Princess|Lab Grown|IGI

0.71ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG587391528

Shape and cutting style on the report: Princess cut

Certificate IGI LG587391528

Diamond specifications and retailer prices

From $400 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $400 USD at Brilliant Earth
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 Brilliant Earth

About this 0.71ct lab-grown princess diamond

This 0.71ct lab-grown princess sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG587391528 or 587391528. 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

0.71
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.5°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG587391528
Dimensions4.80 × 4.76 × 3.46 mm
L/W Ratio1.01
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
4.80 mm4.76 mm0.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG587391528
Side View
Table 73.0%Crown 48.5°Girdle: MediumPavilion 38.2°Culet: NoneDepth 72.7%

Caratlytics Score

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

Last verified: Oct 29
Current: $400 USD|Low: $260 USD|High: $1,120 USD|Avg: $452 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
March 23, 2026
Retailer 5$260 USD
Retailer 3$293 USD
Brilliant Earth$400 USD
Retailer 6$437 USD
Retailer 2$525 USD
Retailer 4$1,120 USD

37 data points across 6 retailers

1 retailer

B+
Brilliant Earth
7697286Y · Oct 29
$400 USD
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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.

B+
0.71ct Princess
$400 USD