Emerald|Lab Grown|IGI

3.03ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG566394419

Shape and cutting style on the report: Emerald cut

Certificate IGI LG566394419

Diamond specifications and retailer prices

From $348 USD
As of October 30, 2026
Save $4,242 USD (92%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,590 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.03ct lab-grown emerald diamond

This 3.03ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG566394419 or 566394419. Listed at 16 retailers as of October 28, 2026, with prices from $348 to $4,590, a $4,242 spread on the same certified stone. Brilliant Earth lists it at $4,590. 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

3.03
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566394419
Dimensions9.18 × 6.60 × 4.47 mm
L/W Ratio1.39
Culet sizeLong
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
9.18 mm6.60 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566394419
Side View
Table 63.0%Crown 38.6°Girdle: MediumPavilion 38.2°Culet: LNGDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,590 USD|Low: $334 USD|High: $4,730 USD|Avg: $1,117 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$348 USD
Retailer 5$390 USD
Retailer 11$432 USD
Retailer 12$432 USD
Retailer 4$580 USD
Retailer 7$585 USD
Retailer 6$687 USD
Retailer 3$748 USD
Retailer 2$776 USD
Retailer 9$1,266 USD
Retailer 8$1,689 USD
Brilliant Earth$4,590 USD

44 data points across 12 retailers

16 retailers$348 USD to $4,590 USD

A
Cheapest Retailer
-
$348 USD
A
Retailer 2
-
$390 USD
View
Final sale: no returns
A
Retailer 3
-
$404 USD
View
A
Retailer 4
-
$432 USD
View
A
Retailer 5
-
$432 USD
View
B+
Retailer 6
-
$580 USD
View
A
Retailer 7
-
$585 USD
View
A
Retailer 8
-
$687 USD
€654 EUR
View
A
Retailer 9
-
$748 USD
View
A
Retailer 10
-
$776 USD
£611 GBP
View
B+
Retailer 11
-
$1,266 USD
View
B+
Retailer 12
-
$1,388 USD
View
B+
Retailer 13
-
$1,430 USD
View
B
Retailer 14
-
$1,666 USD
View
B+
Retailer 15
-
$1,689 USD
£1,330 GBP
View
Most Expensive
B
Brilliant Earth
16273539A · Oct 28
$4,590 USD
View
15 more retailers have this diamond
Prices start from $348 USDSave up to $4,242 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
3.03ct Emerald
$348 USD