Round|Lab Grown|IGI

1.47ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG812635608

Shape and cutting style on the report: Round brilliant

Certificate IGI LG812635608

Diamond specifications and retailer prices

From $194 USD
As of October 30, 2026
Save $626 USD (76%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $820 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.47ct lab-grown round diamond

This 1.47ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG812635608 or 812635608. Listed at 3 retailers as of October 28, 2026, with prices from $194 to $820, a $626 spread on the same certified stone. Brilliant Earth lists it at $820. 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

1.47
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812635608
Dimensions7.24 × 7.30 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.24 mm7.30 mm1.47 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812635608
Side View
Table 58.0%Crown 36.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $820 USD|Low: $194 USD|High: $870 USD|Avg: $529 USD|-5.7%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$194 USD
Retailer 2$400 USD
Brilliant Earth$820 USD

35 data points across 3 retailers

3 retailers$194 USD to $820 USD

A
Cheapest Retailer
-
$194 USD
Final sale: no returns
A
Retailer 2
-
$400 USD
£315 GBP
View
Most Expensive
B+
Brilliant Earth
21226967A · Oct 28
$820 USD
View
2 more retailers have this diamond
Prices start from $194 USDSave up to $626 USD

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.

A
1.47ct Round
$194 USD