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Emerald|Lab Grown|IGI

3.03ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG842648426

Shape and cutting style on the report: Emerald cut

Certificate IGI LG842648426

Diamond specifications and retailer prices

From $326 USD
As of October 30, 2026
Save $2,384 USD (88%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,710 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG842648426 or 842648426. Listed at 3 retailers as of October 28, 2026, with prices from $326 to $2,710, a $2,384 spread on the same certified stone. Brilliant Earth lists it at $2,710. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842648426
Dimensions9.32 × 6.67 × 4.68 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.32 mm6.67 mm3.03 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842648426
Side View
Table 64.0%Crown 35.5°Girdle: MediumPavilion 40.2°Culet: LargeDepth 66.2%

Caratlytics Score

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

Last verified: Oct 30
Current: $2,710 USD|Low: $326 USD|High: $2,710 USD|Avg: $1,522 USD
Brilliant Earth
Retailer 2
Retailer 3
October 29, 2026
Retailer 3$326 USD
Retailer 2$669 USD
Brilliant Earth$2,710 USD

17 data points across 3 retailers

3 retailers$326 USD to $2,710 USD

A
Cheapest Retailer
-
$326 USD
Final sale: no returns
A
Retailer 2
-
$669 USD
£527 GBP
View
Most Expensive
B
Brilliant Earth
21744729A · Oct 28
$2,710 USD
View
2 more retailers have this diamond
Prices start from $326 USDSave up to $2,384 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
$326 USD