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Emerald|Lab Grown|IGI

0.40ct D VS1 Emerald Lab Grown Diamond

VG • D/VS1 • IGI LG843689186

Shape and cutting style on the report: Emerald cut

Certificate IGI LG843689186

Diamond specifications and retailer prices

From £137 GBP
As of October 19, 2026
7 retailers carry this diamond
Most expensive: £1,642 GBP at Yorxs · As of October 29, 2026
View at Yorxs

About this 0.4ct lab-grown emerald diamond

This 0.4ct lab-grown emerald sits in the sub-half-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG843689186 or 843689186. Listed at 7 retailers as of October 19, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
D
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.9°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843689186
Dimensions4.96 × 3.32 × 2.21 mm
L/W Ratio1.49
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.96 mm3.32 mm0.40 ctD / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG843689186
Side View
Table 69.0%Crown 35.9°Girdle: THK-VTKPavilion 34.8°Culet: LargeDepth 66.6%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 19
Current: £216 GBP|Low: £137 GBP|High: £1,642 GBP|Avg: £317 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
October 29, 2026
Retailer 2£137 GBP
Retailer 3£170 GBP
Retailer 1£216 GBP
Retailer 6£301 GBP
Retailer 5£308 GBP
Retailer 4£587 GBP
Yorxs£1,642 GBP

5 data points across 7 retailers

7 retailers£137 GBP to £1,642 GBP

Retailer 1
-
£137 GBP
Price last confirmed 11 days ago
Retailer 2
-
£170 GBP
$226 USD
View
Price last confirmed 12 days ago
Retailer 3
-
£216 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
£301 GBP
$400 USD
View
Price last confirmed 11 days ago
Retailer 5
-
£308 GBP
$410 USD
View
Price last confirmed 10 days ago
Retailer 6
-
£587 GBP
View
Price last confirmed 12 days ago
Most Expensive
Yorxs
622919570 · Oct 29
£1,642 GBP
€2,082 EUR
View
Price under review
6 more retailers have this diamond

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.

0.40ct Emerald
£137 GBP