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Round|Lab Grown|IGI

1.56ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG772622410

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772622410

Diamond specifications and retailer prices

From $810 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $810 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 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG772622410 or 772622410. 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

1.56
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772622410
Dimensions7.53 × 7.49 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm7.49 mm1.56 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772622410
Side View
Table 59.0%Crown 33.1°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.9%

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: $540 USD|Low: $117 USD|High: $853 USD|Avg: $552 USD|-35.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
August 1, 2026
Retailer 2$272 USD
Retailer 3$389 USD
Retailer 5$392 USD
Retailer 1$540 USD
Retailer 4$547 USD

71 data points across 5 retailers

1 retailer

B
Brilliant Earth
19044171A · Oct 29
$810 USD
View

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
1.56ct Round
$810 USD