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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 $10,629 AUD
$7,466 USD
As of November 2, 2026
Save $30,514 AUD (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $54,752 AUD 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 31, 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
Colour
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: Nov 2
Current: $54,752 AUD|Low: $10,204 AUD|High: $56,446 AUD|Avg: $20,665 AUD|-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 2, 2026
Retailer 16$10,629 AUD
Retailer 13$11,054 AUD
Retailer 3$11,904 AUD
Retailer 8$11,926 AUD
Retailer 5$11,953 AUD
Retailer 4$12,250 AUD
Retailer 7$12,330 AUD
Retailer 15$12,330 AUD
Retailer 17$13,866 AUD
Retailer 14$13,940 AUD
Retailer 6$14,279 AUD
Retailer 2$15,188 AUD
Retailer 12$21,785 AUD
Retailer 11$23,488 AUD
Retailer 18$34,327 AUD
Retailer 9$38,342 AUD
Retailer 10$41,143 AUD
Brilliant Earth$54,752 AUD

27 data points across 18 retailers

16 retailers$10,629 AUD to $41,143 AUD

B+
Cheapest Retailer
-
$10,629 AUD
$7,466 USD
B+
Retailer 2
-
$11,054 AUD
$7,765 USD
View
B+
Retailer 3
-
$11,953 AUD
$8,396 USD
View
B+
Retailer 4
-
$12,250 AUD
$8,605 USD
View
Retailer 5
-
$12,330 AUD
$8,661 USD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$12,330 AUD
$8,661 USD
View
B+
Retailer 7
-
$13,866 AUD
$9,740 USD
View
B+
Retailer 8
-
$13,940 AUD
$9,792 USD
View
B
Retailer 9
-
$14,279 AUD
$10,030 USD
View
B+
Retailer 10
-
$15,188 AUD
£8,401 GBP
View
B
Retailer 11
-
$21,785 AUD
€14,574 EUR
View
B
Retailer 12
-
$23,488 AUD
View
Retailer 13
-
$34,327 AUD
$24,113 USD
View
Price last confirmed 22 days ago
B
Retailer 14
-
$38,342 AUD
$26,933 USD
View
B
Retailer 15
-
$41,143 AUD
$28,901 USD
View
Most Expensive
Brilliant Earth
13579074A · Oct 31
$54,752 AUD
$38,460 USD
View
Price under review
15 more retailers have this diamond
Prices start from $10,629 AUDSave up to $30,514 AUD

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
$10,629 AUD