Emerald|Lab Grown|IGI

3.11ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG828656359

Certificate IGI LG828656359

Diamond specifications and retailer prices

From $1,810 USD
Save $8,880 USD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,690 USD at Brilliant Earth
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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828656359 or 828656359. Listed at 9 retailers, with prices from $1,810 to $10,690 at Brilliant Earth, a $8,880 spread on the same certified stone. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828656359
Dimensions9.58 × 6.81 × 4.71 mm
L/W Ratio1.41
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
9.58 mm6.81 mm3.11 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828656359
Side View
Table 63.0%Crown 35.1°Girdle: Slightly ThickPavilion 38.7°Culet: LargeDepth 69.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $5,151 USD|Low: $1,810 USD|High: $7,459 USD|Avg: $3,670 USD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 1, 2026
Retailer 4$1,810 USD
Retailer 8$1,830 USD
Retailer 7$2,265 USD
Retailer 2$2,290 USD
Retailer 5$3,209 USD
Retailer 1$5,151 USD
Retailer 6$5,569 USD
Retailer 3$6,090 USD

20 data points across 8 retailers

9 retailers$1,810 USD to $10,690 USD

A
Cheapest Retailer
-
$1,810 USD
A
Retailer 2
-
$1,830 USD
HK$14,300 HKD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$2,265 USD
View
A
Retailer 4
-
$2,293 USD
£1,806 GBP
View
B+
Retailer 5
-
$3,209 USD
View
B
Retailer 6
-
$5,151 USD
£4,056 GBP
View
B
Retailer 7
-
$5,569 USD
View
B
Retailer 8
-
$6,090 USD
View
Most Expensive
C
Brilliant Earth
21325382A · Oct 1
$10,690 USD
View
8 more retailers have this diamond
Prices start from $1,810 USDSave up to $8,880 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.

A
3.11ct Emerald
$1,810 USD