Emerald|Lab Grown|IGI

20.10ct I VS1 Emerald Lab Grown Diamond

ID • I/VS1 • IGI LG792653726

Shape and cutting style on the report: Emerald cut

Certificate IGI LG792653726

Diamond specifications and retailer prices

From $3,916 USD
As of October 30, 2026
Save $17,527 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $21,443 USD at Adiamor · As of October 31, 2026
View at Adiamor

About this 20.1ct lab-grown emerald diamond

This 20.1ct 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 LG792653726 or 792653726. Listed at 14 retailers as of October 30, 2026, with prices from $3,916 to $21,443, a $17,527 spread on the same certified stone. Adiamor lists it at $21,443. 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

20.10
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792653726
Dimensions18.35 × 12.80 × 7.85 mm
L/W Ratio1.43
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.35 mm12.80 mm20.10 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792653726
Side View
Table 71.0%Crown 34.9°Girdle: ThickPavilion 38.1°Culet: LargeDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $21,443 USD|Low: $3,916 USD|High: $22,038 USD|Avg: $8,161 USD|-0.9%
Adiamor
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
November 1, 2026
Retailer 14$3,916 USD
Retailer 9$4,104 USD
Retailer 4$4,542 USD
Retailer 12$4,720 USD
Retailer 6$4,873 USD
Retailer 11$5,039 USD
Retailer 7$5,676 USD
Retailer 10$6,024 USD
Retailer 8$6,200 USD
Retailer 2$6,582 USD
Retailer 5$6,965 USD
Retailer 3$8,274 USD
Retailer 13$16,096 USD
Adiamor$21,443 USD

35 data points across 14 retailers

14 retailers$3,916 USD to $21,443 USD

A
Cheapest Retailer
-
$3,916 USD
A
Retailer 2
-
$4,104 USD
View
A
Retailer 3
-
$4,542 USD
View
A
Retailer 4
-
$4,720 USD
View
Final sale: no returns
Retailer 5
-
$4,873 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$5,039 USD
View
A
Retailer 7
-
$5,676 USD
View
A
Retailer 8
-
$6,024 USD
View
B+
Retailer 9
-
$6,200 USD
View
B+
Retailer 10
-
$6,582 USD
View
B+
Retailer 11
-
$6,965 USD
View
B+
Retailer 12
-
$8,274 USD
€7,880 EUR
View
B
Retailer 13
-
$16,096 USD
View
Most Expensive
B
Adiamor
D-79862592 · Oct 31
$21,443 USD
View
13 more retailers have this diamond
Prices start from $3,916 USDSave up to $17,527 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.

A
20.10ct Emerald
$3,916 USD