CaratHunter
Plans
Emerald|Lab Grown|IGI

3.91ct D VS1 Emerald Lab Grown Diamond

EX • D/VS1 • IGI LG828649018

Certificate IGI LG828649018

Diamond specifications and retailer prices

From $926 USD
Save $1,633 USD (64%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,559 USD at Brilliance
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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828649018 or 828649018. Listed at 2 retailers, with prices from $926 to $2,559 at Brilliance, a $1,633 spread on the same certified stone. 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
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828649018
Dimensions10.66 × 7.45 × 5.08 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.66 mm7.45 mm3.91 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828649018
Side View
Table 68.0%Crown 37.1°Girdle: Slightly ThickPavilion 40.5°Culet: LargeDepth 68.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $2,559 USD|Low: $926 USD|High: $2,604 USD|Avg: $1,490 USD|-1.7%
Brilliance
Retailer 2
September 27, 2026
Retailer 2$926 USD
Brilliance$2,559 USD

4 data points across 2 retailers

2 retailers$926 USD to $2,559 USD

B
Cheapest Retailer
-
$926 USD
Most Expensive
C
Brilliance
D45322997 · Oct 1
$2,559 USD
View
1 more retailer has this diamond
Prices start from $926 USDSave up to $1,633 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.

B
3.91ct Emerald
$926 USD