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Emerald|Lab Grown|IGI

3.99ct D VS1 Emerald Lab Grown Diamond

EX • D/VS1 • IGI LG839615157

Certificate IGI LG839615157

Diamond specifications and retailer prices

From $1,207 USD
£950 GBP
Save $2,473 USD (67%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,680 USD at Rare Carat
View at Rare Carat

About this 3.99ct lab-grown emerald diamond

This 3.99ct 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 LG839615157 or 839615157. Listed at 2 retailers, with prices from $1,207 to $3,680 at Rare Carat, a $2,473 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

3.99
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839615157
Dimensions10.38 × 7.70 × 5.19 mm
L/W Ratio1.35
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.38 mm7.70 mm3.99 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839615157
Side View
Table 66.0%Crown 39.3°Girdle: MediumPavilion 40°Culet: LargeDepth 67.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $3,680 USD|Low: $1,217 USD|High: $3,680 USD|Avg: $2,044 USD
Rare Carat
Retailer 2
September 29, 2026
Retailer 2$1,218 USD
Rare Carat$3,680 USD

6 data points across 2 retailers

2 retailers$1,207 USD to $3,680 USD

B+
Cheapest Retailer
-
$1,207 USD
£950 GBP
Most Expensive
C
Rare Carat
839615157 · Sep 27
$3,680 USD
View
1 more retailer has this diamond
Prices start from $1,207 USDSave up to $2,473 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+
3.99ct Emerald
$1,207 USD