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Emerald|Lab Grown|IGI

20.00ct I VS1 Emerald Lab Grown Diamond

ID • I/VS1 • IGI LG605361982

Shape and cutting style on the report: Emerald cut

Certificate IGI LG605361982

Diamond specifications and retailer prices

From $31,198 USD
As of October 31, 2026
Save $8,749 USD (22%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $61,844 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG605361982 or 605361982. Listed at 14 retailers as of October 31, 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605361982
Dimensions16.59 × 12.18 × 8.75 mm
L/W Ratio1.36
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
16.59 mm12.18 mm20.00 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605361982
Side View
Table 66.0%Crown 43.5°Girdle: Very ThickPavilion 40.4°Culet: LNGDepth 71.8%

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 31
Current: $61,844 USD|Low: $29,235 USD|High: $84,443 USD|Avg: $40,222 USD|+1.9%
Cape Diamonds
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
Retailer 17
October 29, 2026
Retailer 9$29,235 USD
Retailer 6$30,848 USD
Retailer 13$31,198 USD
Retailer 3$32,380 USD
Retailer 16$32,985 USD
Retailer 11$34,437 USD
Retailer 15$34,713 USD
Retailer 4$36,327 USD
Retailer 5$37,380 USD
Retailer 10$38,339 USD
Retailer 17$38,569 USD
Retailer 2$39,357 USD
Retailer 12$39,947 USD
Retailer 14$39,947 USD
Retailer 8$42,887 USD
Cape Diamonds$61,844 USD
Retailer 7$84,443 USD

20 data points across 17 retailers

14 retailers$31,198 USD to $39,947 USD

B
Cheapest Retailer
-
$31,198 USD
B
Retailer 2
-
$32,380 USD
View
B
Retailer 3
-
$32,985 USD
View
B
Retailer 4
-
$34,437 USD
View
B
Retailer 5
-
$34,713 USD
View
B
Retailer 6
-
$36,327 USD
View
B
Retailer 7
-
$37,380 USD
View
B
Retailer 8
-
$38,339 USD
View
B
Retailer 9
-
$38,569 USD
View
Final sale: no returns
B
Retailer 10
-
$39,357 USD
View
Retailer 11
-
$39,947 USD
View
Price last confirmed 19 days ago
B
Retailer 12
-
$39,947 USD
View
Most Expensive
Cape Diamonds
cert_605361982 · Oct 29
$61,844 USD
ZAR 999,091 ZAR
View
Price under review
12 more retailers have this diamond
Prices start from $31,198 USDSave up to $8,749 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
20.00ct Emerald
$31,198 USD