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Emerald|Lab Grown|IGI

3.11ct E FL Emerald Lab Grown Diamond

ID • E/FL • IGI LG821638861

Shape and cutting style on the report: Emerald cut

Certificate IGI LG821638861

Diamond specifications and retailer prices

From $2,498 AUD
$1,755 USD
As of October 29, 2026
Save $11,467 AUD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,966 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.11ct lab-grown emerald diamond

This 3.11ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821638861 or 821638861. Listed at 12 retailers as of October 29, 2026, with prices from $2,498 to $13,966, a $11,467 spread on the same certified stone. Brilliant Earth lists it at $13,966. 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

3.11
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638861
Dimensions9.74 × 6.73 × 4.45 mm
L/W Ratio1.45
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.74 mm6.73 mm3.11 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638861
Side View
Table 62.0%Crown 34.5°Girdle: STK-THKPavilion 38.1°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 29
Current: $13,966 AUD|Low: $2,498 AUD|High: $20,229 AUD|Avg: $9,062 AUD|-15.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 4$2,498 AUD
Retailer 9$3,620 AUD
Retailer 6$3,707 AUD
Retailer 8$4,262 AUD
Retailer 2$4,336 AUD
Retailer 5$7,414 AUD
Retailer 10$9,111 AUD
Retailer 11$11,597 AUD
Retailer 7$13,937 AUD
Brilliant Earth$13,966 AUD
Retailer 3$15,196 AUD

34 data points across 11 retailers

12 retailers$2,498 AUD to $13,966 AUD

A
Cheapest Retailer
-
$2,498 AUD
$1,755 USD
Retailer 2
-
$2,817 AUD
$1,979 USD
View
Price last confirmed 25 days ago
Retailer 3
-
$3,246 AUD
$2,280 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$3,620 AUD
$2,543 USD
View
A
Retailer 5
-
$3,707 AUD
$2,604 USD
View
A
Retailer 6
-
$4,262 AUD
$2,994 USD
View
A
Retailer 7
-
$4,336 AUD
€2,901 EUR
View
Retailer 8
-
$5,165 AUD
$3,628 USD
View
Price last confirmed 26 days ago
B+
Retailer 9
-
$7,414 AUD
£4,101 GBP
View
Retailer 10
-
$9,111 AUD
$6,400 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
$13,937 AUD
$9,790 USD
View
Most Expensive
B
Brilliant Earth
21581188Y · Oct 30
$13,966 AUD
$9,810 USD
View
11 more retailers have this diamond
Prices start from $2,498 AUDSave up to $11,467 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
3.11ct Emerald
$2,498 AUD