Emerald|Lab Grown|IGI

20.12ct F VS1 Emerald Lab Grown Diamond

VG • F/VS1 • IGI LG847609034

Shape and cutting style on the report: Emerald cut

Certificate IGI LG847609034

Diamond specifications and retailer prices

From $6,912 AUD
$4,855 USD
As of October 31, 2026
Save $29,436 AUD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $36,347 AUD at Adiamor · As of October 31, 2026
View at Adiamor

About this 20.12ct lab-grown emerald diamond

This 20.12ct lab-grown emerald sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG847609034 or 847609034. Listed at 11 retailers as of October 31, 2026, with prices from $6,912 to $36,347, a $29,436 spread on the same certified stone. Adiamor lists it at $36,347. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

20.12
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847609034
Dimensions18.80 × 12.90 × 8.53 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.80 mm12.90 mm20.12 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847609034
Side View
Table 67.0%Crown 34.4°Girdle: MediumPavilion 40.6°Culet: LargeDepth 66.1%

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 31
Current: $36,347 AUD|Low: $6,912 AUD|High: $36,347 AUD|Avg: $15,404 AUD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 8$6,912 AUD
Retailer 6$7,650 AUD
Retailer 4$7,702 AUD
Retailer 3$8,095 AUD
Retailer 7$9,559 AUD
Retailer 5$9,943 AUD
Retailer 11$11,172 AUD
Retailer 9$12,299 AUD
Retailer 2$14,486 AUD
Retailer 10$27,363 AUD
Adiamor$36,347 AUD

8 data points across 11 retailers

11 retailers$6,912 AUD to $36,347 AUD

A
Cheapest Retailer
-
$6,912 AUD
$4,855 USD
B+
Retailer 2
-
$7,650 AUD
$5,374 USD
View
B+
Retailer 3
-
$7,702 AUD
$5,410 USD
View
B+
Retailer 4
-
$8,095 AUD
$5,686 USD
View
B+
Retailer 5
-
$9,559 AUD
$6,715 USD
View
B+
Retailer 6
-
$9,943 AUD
£5,500 GBP
View
B+
Retailer 7
-
$11,172 AUD
$7,848 USD
View
B+
Retailer 8
-
$12,299 AUD
€8,228 EUR
View
B
Retailer 9
-
$14,486 AUD
View
B
Retailer 10
-
$27,363 AUD
$19,221 USD
View
Most Expensive
B
Adiamor
D-82814565 · Oct 31
$36,347 AUD
$25,532 USD
View
10 more retailers have this diamond
Prices start from $6,912 AUDSave up to $29,436 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.

A
20.12ct Emerald
$6,912 AUD