Emerald|Lab Grown|IGI

20.00ct I VS2 Emerald Lab Grown Diamond

ID • I/VS2 • IGI LG605361983

Shape and cutting style on the report: Emerald cut

Certificate IGI LG605361983

Diamond specifications and retailer prices

From £23,414 GBP
$31,180 USD
As of October 28, 2026
Save £6,566 GBP (22%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £29,980 GBP at Calavera New York · As of October 12, 2026
View at Calavera New York

About this 20ct lab-grown emerald diamond

This 20ct lab-grown emerald sits in the over five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605361983 or 605361983. Listed at 13 retailers as of October 28, 2026, with a 28% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

20.00
Carat
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605361983
Dimensions16.85 × 13.07 × 8.38 mm
L/W Ratio1.29
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.85 mm13.07 mm20.00 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605361983
Side View
Table 64.0%Crown 36.9°Girdle: MED-STKPavilion 41.2°Culet: LNGDepth 64.1%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: £29,980 GBP|Low: £21,954 GBP|High: £67,513 GBP|Avg: £32,685 GBP
Calavera New York
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
October 16, 2026
Retailer 7£21,954 GBP
Retailer 12£23,414 GBP
Retailer 16£24,315 GBP
Retailer 14£24,756 GBP
Retailer 10£25,845 GBP
Retailer 13£26,051 GBP
Retailer 3£27,263 GBP
Retailer 4£28,051 GBP
Retailer 9£28,773 GBP
Retailer 15£28,945 GBP
Retailer 2£29,537 GBP
Calavera New York£29,980 GBP
Retailer 11£29,980 GBP
Retailer 6£32,186 GBP
Retailer 5£63,380 GBP
Retailer 8£67,513 GBP

14 data points across 16 retailers

13 retailers£23,414 GBP to £29,980 GBP

B
Cheapest Retailer
-
£23,414 GBP
$31,180 USD
B
Retailer 2
-
£24,315 GBP
$32,380 USD
View
B
Retailer 3
-
£24,756 GBP
$32,967 USD
View
B
Retailer 4
-
£25,845 GBP
$34,417 USD
View
B
Retailer 5
-
£26,051 GBP
$34,692 USD
View
B
Retailer 6
-
£27,263 GBP
$36,306 USD
View
B
Retailer 7
-
£28,051 GBP
$37,355 USD
View
C
Retailer 8
-
£28,773 GBP
$38,317 USD
View
B
Retailer 9
-
£28,945 GBP
$38,546 USD
View
Final sale: no returns
B
Retailer 10
-
£29,537 GBP
$39,334 USD
View
B
Retailer 11
-
£29,980 GBP
$39,924 USD
View
Most Expensive
B
Calavera New York
585776b1-e147-4477-8926-a19d50e0ef84 · Oct 12
£29,980 GBP
$39,924 USD
View
Price last confirmed 17 days ago
11 more retailers have this diamond
Prices start from £23,414 GBPSave up to £6,566 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
20.00ct Emerald
£23,414 GBP