Emerald|Lab Grown|IGI

3.99ct D VS2 Emerald Lab Grown Diamond

ID • D/VS2 • IGI LG649429808

Shape and cutting style on the report: Emerald cut

Certificate IGI LG649429808

Diamond specifications and retailer prices

From £2,325 GBP
$3,115 USD
As of October 25, 2026
7 retailers carry this diamond
Most expensive: £2,523 GBP at Rare Carat · As of October 4, 2026
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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG649429808 or 649429808. Listed at 7 retailers as of October 25, 2026, with a relatively tight 0% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649429808
Dimensions10.71 × 7.65 × 4.94 mm
L/W Ratio1.40
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.71 mm7.65 mm3.99 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649429808
Side View
Table 64.0%Crown 34.1°Girdle: MediumPavilion 39.1°Culet: LNGDepth 64.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: £2,325 GBP|Low: £466 GBP|High: £3,306 GBP|Avg: £1,481 GBP|+0.5%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 18, 2026
Retailer 6£466 GBP
Retailer 10£706 GBP
Retailer 2£742 GBP
Retailer 7£762 GBP
Retailer 5£770 GBP
Retailer 3£1,263 GBP
Retailer 9£1,407 GBP
Retailer 11£1,518 GBP
Retailer 8£1,946 GBP
Rare Carat£2,325 GBP
Retailer 4£3,202 GBP

16 data points across 11 retailers

7 retailers£2,325 GBP to £2,325 GBP

Retailer 1
-
£376 GBP
$504 USD
Price last confirmed 38 days ago
Retailer 2
-
£421 GBP
$564 USD
View
Price last confirmed 35 days ago
Retailer 3
-
£460 GBP
$617 USD
View
Price last confirmed 33 days ago
Retailer 4
-
£1,226 GBP
$1,643 USD
View
Price last confirmed 34 days ago
B
Retailer 5
-
£2,325 GBP
$3,115 USD
View
B
Retailer 6
-
£2,325 GBP
$3,115 USD
View
Most Expensive
Rare Carat
617629 · Oct 4
£2,523 GBP
$3,380 USD
View
Price last confirmed 26 days ago
6 more retailers have this diamond
Prices start from £2,325 GBP

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
3.99ct Emerald
£2,325 GBP