Emerald|Lab Grown|IGI

3.91ct G VS1 Emerald Lab Grown Diamond

EX • G/VS1 • IGI LG829608749

Shape and cutting style on the report: Emerald cut

Certificate IGI LG829608749

Diamond specifications and retailer prices

From $643 USD
As of October 23, 2026
2 retailers carry this diamond
Most expensive: $1,654 USD at Brilliance · As of October 18, 2026
View at Brilliance

About this 3.91ct lab-grown emerald diamond

This 3.91ct lab-grown emerald sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG829608749 or 829608749. Listed at 2 retailers as of October 23, 2026. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.91
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829608749
Dimensions10.53 × 7.70 × 4.96 mm
L/W Ratio1.37
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.53 mm7.70 mm3.91 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829608749
Side View
Table 66.0%Crown 34°Girdle: MediumPavilion 40.4°Culet: LargeDepth 64.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 23
Current: $1,654 USD|Low: $452 USD|High: $3,649 USD|Avg: $1,545 USD|-2.9%
Brilliance
Retailer 2
Retailer 3
Retailer 4
October 19, 2026
Retailer 2$452 USD
Retailer 3$643 USD
Brilliance$1,654 USD
Retailer 4$3,649 USD

6 data points across 4 retailers

2 retailers

B+
Cheapest Retailer
-
$643 USD
Most Expensive
B+
Brilliance
D45322714 · Oct 18
$1,654 USD
View
Price last confirmed 11 days ago
1 more retailer has this diamond
Prices start from $643 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.

B+
3.91ct Emerald
$643 USD