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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 $3,114 NZD
$1,755 USD
As of October 29, 2026
Save $14,292 NZD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $17,406 NZD 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 $3,114 to $17,406, a $14,292 spread on the same certified stone. Brilliant Earth lists it at $17,406. 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: $17,406 NZD|Low: $3,114 NZD|High: $25,213 NZD|Avg: $11,260 NZD|-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 31, 2026
Retailer 6$3,114 NZD
Retailer 2$4,507 NZD
Retailer 8$4,620 NZD
Retailer 4$5,255 NZD
Retailer 5$5,405 NZD
Retailer 7$9,241 NZD
Retailer 10$11,356 NZD
Retailer 11$14,453 NZD
Retailer 9$17,370 NZD
Brilliant Earth$17,406 NZD
Retailer 3$18,939 NZD

35 data points across 11 retailers

12 retailers$3,114 NZD to $17,406 NZD

A
Cheapest Retailer
-
$3,114 NZD
$1,755 USD
Retailer 2
-
$3,511 NZD
$1,979 USD
View
Price last confirmed 26 days ago
Retailer 3
-
$4,045 NZD
$2,280 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$4,507 NZD
$2,540 USD
View
A
Retailer 5
-
$4,620 NZD
$2,604 USD
View
A
Retailer 6
-
$5,255 NZD
$2,962 USD
View
A
Retailer 7
-
$5,405 NZD
€2,901 EUR
View
Retailer 8
-
$6,437 NZD
$3,628 USD
View
Price last confirmed 26 days ago
B+
Retailer 9
-
$9,241 NZD
£4,101 GBP
View
Retailer 10
-
$11,356 NZD
$6,400 USD
View
Price last confirmed 12 days ago
B
Retailer 11
-
$17,370 NZD
$9,790 USD
View
Most Expensive
B
Brilliant Earth
21581188Y · Oct 30
$17,406 NZD
$9,810 USD
View
11 more retailers have this diamond
Prices start from $3,114 NZDSave up to $14,292 NZD

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
$3,114 NZD