Emerald|Lab Grown|IGI

20.29ct F VS1 Emerald Lab Grown Diamond

ID • F/VS1 • IGI LG662491134

Shape and cutting style on the report: Emerald cut

Certificate IGI LG662491134

Diamond specifications and retailer prices

From $7,466 USD
As of October 30, 2026
Save $21,435 USD (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $38,460 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 20.29ct lab-grown emerald diamond

This 20.29ct 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 LG662491134 or 662491134. Listed at 16 retailers as of October 30, 2026, with a 287% 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

20.29
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662491134
Dimensions18.45 × 12.92 × 8.54 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
18.45 mm12.92 mm20.29 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662491134
Side View
Table 64.0%Crown 34°Girdle: MediumPavilion 39.5°Culet: LargeDepth 66.1%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $38,460 USD|Low: $7,168 USD|High: $39,650 USD|Avg: $14,527 USD|-3.0%
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 16$7,466 USD
Retailer 13$7,765 USD
Retailer 3$8,362 USD
Retailer 8$8,378 USD
Retailer 5$8,396 USD
Retailer 4$8,605 USD
Retailer 7$8,661 USD
Retailer 15$8,661 USD
Retailer 17$9,740 USD
Retailer 14$9,792 USD
Retailer 6$10,030 USD
Retailer 11$10,669 USD
Retailer 12$15,303 USD
Retailer 2$16,499 USD
Retailer 18$24,113 USD
Retailer 9$26,933 USD
Retailer 10$28,901 USD
Brilliant Earth$38,460 USD

26 data points across 18 retailers

16 retailers$7,466 USD to $28,901 USD

B+
Cheapest Retailer
-
$7,466 USD
B+
Retailer 2
-
$7,765 USD
View
B+
Retailer 3
-
$8,396 USD
View
B+
Retailer 4
-
$8,605 USD
View
Retailer 5
-
$8,661 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$8,661 USD
View
B+
Retailer 7
-
$9,740 USD
View
B+
Retailer 8
-
$9,792 USD
View
B
Retailer 9
-
$10,030 USD
View
B+
Retailer 10
-
$10,669 USD
£8,401 GBP
View
B
Retailer 11
-
$15,303 USD
€14,574 EUR
View
B
Retailer 12
-
$16,499 USD
A$25,383 AUD
View
Retailer 13
-
$24,113 USD
View
Price last confirmed 21 days ago
B
Retailer 14
-
$26,933 USD
View
B
Retailer 15
-
$28,901 USD
View
Most Expensive
Brilliant Earth
13579074A · Oct 31
$38,460 USD
View
Price under review
15 more retailers have this diamond
Prices start from $7,466 USDSave up to $21,435 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+
20.29ct Emerald
$7,466 USD