Emerald|Lab Grown|IGI

20.04ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG816688789

Shape and cutting style on the report: Emerald cut

Certificate IGI LG816688789

Diamond specifications and retailer prices

From $9,405 USD
As of October 31, 2026
Save $15,671 USD (62%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $38,680 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20.04ct lab-grown emerald diamond

This 20.04ct 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 LG816688789 or 816688789. Listed at 9 retailers as of October 31, 2026, with a 167% 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

20.04
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816688789
Dimensions18.25 × 13.07 × 8.00 mm
L/W Ratio1.40
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.25 mm13.07 mm20.04 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816688789
Side View
Table 70.0%Crown 38.9°Girdle: Slightly ThickPavilion 39.3°Culet: LargeDepth 61.2%

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: $38,680 USD|Low: $9,110 USD|High: $49,380 USD|Avg: $22,127 USD|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2$9,405 USD
Retailer 8$9,568 USD
Retailer 7$9,713 USD
Retailer 9$13,146 USD
Retailer 4$15,059 USD
Retailer 6$24,689 USD
Retailer 3$25,076 USD
Brilliant Earth$38,680 USD
Retailer 5$46,170 USD

22 data points across 9 retailers

9 retailers$9,405 USD to $25,076 USD

B+
Cheapest Retailer
-
$9,405 USD
B+
Retailer 2
-
$9,568 USD
View
Retailer 3
-
$9,713 USD
View
Price last confirmed 12 days ago
Retailer 4
-
$13,146 USD
View
Price last confirmed 11 days ago
B
Retailer 5
-
$15,059 USD
€14,342 EUR
View
B
Retailer 6
-
$24,689 USD
View
B
Retailer 7
-
$25,076 USD
View
Most Expensive
Brilliant Earth
21034779A · Oct 31
$38,680 USD
View
Price under review
7 more retailers have this diamond
Prices start from $9,405 USDSave up to $15,671 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+
20.04ct Emerald
$9,405 USD