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Emerald|Lab Grown|IGI

20.40ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG662422475

Shape and cutting style on the report: Emerald cut

Certificate IGI LG662422475

Diamond specifications and retailer prices

From $30,407 SGD
$23,776 USD
As of October 31, 2026
Save $9,539 SGD (24%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $56,540 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 20.4ct lab-grown emerald diamond

This 20.4ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662422475 or 662422475. Listed at 16 retailers as of October 31, 2026, with a 31% 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

20.40
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662422475
Dimensions18.68 × 13.41 × 8.44 mm
L/W Ratio1.39
Culet sizeLong
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.68 mm13.41 mm20.40 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662422475
Side View
Table 60.0%Crown 32°Girdle: MED-STKPavilion 32.5°Culet: LNGDepth 62.9%

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 31
Current: $56,540 SGD|Low: $13,577 SGD|High: $108,609 SGD|Avg: $27,016 SGD|+9.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 8$16,404 SGD
Retailer 5$30,407 SGD
Retailer 13$32,480 SGD
Retailer 10$33,563 SGD
Retailer 7$33,832 SGD
Retailer 16$36,487 SGD
Retailer 12$37,389 SGD
Retailer 6$37,591 SGD
Retailer 14$38,358 SGD
Retailer 3$38,934 SGD
Retailer 9$39,946 SGD
Retailer 15$43,093 SGD
Brilliant Earth$56,540 SGD
Retailer 2$72,711 SGD
Retailer 11$86,491 SGD
Retailer 4$108,609 SGD

34 data points across 16 retailers

16 retailers$30,407 SGD to $39,946 SGD

Retailer 1
-
$16,404 SGD
$12,827 USD
Price last confirmed 21 days ago
B
Retailer 2
-
$30,407 SGD
$23,776 USD
View
B
Retailer 3
-
$32,480 SGD
$25,397 USD
View
B
Retailer 4
-
$33,563 SGD
$26,244 USD
View
B
Retailer 5
-
$33,832 SGD
$26,454 USD
View
B
Retailer 6
-
$36,487 SGD
$28,530 USD
View
B
Retailer 7
-
$37,389 SGD
$29,235 USD
View
B
Retailer 8
-
$37,591 SGD
$29,393 USD
View
Final sale: no returns
B
Retailer 9
-
$38,358 SGD
$29,993 USD
View
B
Retailer 10
-
$38,934 SGD
$30,443 USD
View
B
Retailer 11
-
$39,946 SGD
£24,594 GBP
View
Retailer 12
-
$43,093 SGD
$33,695 USD
View
Price under review
Most Expensive
Brilliant Earth
21391472A · Oct 29
$56,540 SGD
$44,210 USD
View
Price under review
12 more retailers have this diamond
Prices start from $30,407 SGDSave up to $9,539 SGD

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
20.40ct Emerald
$30,407 SGD