Emerald|Lab Grown|IGI

20.03ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG828624304

Shape and cutting style on the report: Emerald cut

Certificate IGI LG828624304

Diamond specifications and retailer prices

From $7,706 USD
As of October 31, 2026
Save $21,506 USD (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $29,212 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 20.03ct lab-grown emerald diamond

This 20.03ct 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 LG828624304 or 828624304. Listed at 9 retailers as of October 31, 2026, with prices from $7,706 to $29,212, a $21,506 spread on the same certified stone. Taylor and Hart lists it at $29,212. 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

20.03
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.7°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828624304
Dimensions18.58 × 13.15 × 8.16 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.58 mm13.15 mm20.03 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828624304
Side View
Table 67.0%Crown 28.7°Girdle: Slightly ThickPavilion 42.5°Culet: LargeDepth 62.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $16,775 USD|Low: $7,706 USD|High: $32,072 USD|Avg: $18,062 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
November 1, 2026
Retailer 7$7,706 USD
Retailer 5$7,982 USD
Retailer 2$8,730 USD
Retailer 6$9,908 USD
Retailer 4$10,857 USD
Retailer 1$16,775 USD
Retailer 8$21,191 USD
Retailer 3$21,967 USD
Taylor and Hart$29,212 USD

35 data points across 9 retailers

9 retailers$7,706 USD to $29,212 USD

B+
Cheapest Retailer
-
$7,706 USD
Final sale: no returns
B+
Retailer 2
-
$7,982 USD
View
B+
Retailer 3
-
$8,730 USD
View
B
Retailer 4
-
$9,908 USD
View
B+
Retailer 5
-
$10,857 USD
£8,549 GBP
View
B
Retailer 6
-
$16,775 USD
A$25,808 AUD
View
Retailer 7
-
$21,191 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$21,967 USD
View
Most Expensive
B
Taylor and Hart
YCC9BT0 · Oct 31
$29,212 USD
View
8 more retailers have this diamond
Prices start from $7,706 USDSave up to $21,506 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+
20.03ct Emerald
$7,706 USD