Emerald|Lab Grown|IGI

3.09ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG712535186

Shape and cutting style on the report: Emerald cut

Certificate IGI LG712535186

Diamond specifications and retailer prices

From $1,357 USD
As of October 27, 2026
Save $4,466 USD (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $10,280 USD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 3.09ct lab-grown emerald diamond

This 3.09ct 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 LG712535186 or 712535186. Listed at 24 retailers as of October 27, 2026, with a 329% 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

3.09
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712535186
Dimensions10.14 × 6.56 × 4.59 mm
L/W Ratio1.55
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.14 mm6.56 mm3.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712535186
Side View
Table 65.0%Crown 32.7°Girdle: Slightly ThickPavilion 41.5°Culet: LargeDepth 70.0%

Caratlytics Score

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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 27
Current: $10,280 USD|Low: $1,303 USD|High: $10,280 USD|Avg: $3,052 USD
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
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Retailer 18
October 29, 2026
Retailer 18$1,357 USD
Retailer 8$1,477 USD
Retailer 10$1,519 USD
Retailer 5$1,574 USD
Retailer 7$1,574 USD
Retailer 17$1,745 USD
Retailer 2$2,214 USD
Retailer 14$2,290 USD
Retailer 12$2,444 USD
Retailer 9$2,652 USD
Retailer 6$2,951 USD
Retailer 15$3,561 USD
Retailer 11$3,656 USD
Retailer 4$4,408 USD
Retailer 3$4,955 USD
Retailer 13$5,085 USD
Retailer 16$5,580 USD
Brilliant Earth$10,280 USD

41 data points across 18 retailers

24 retailers$1,357 USD to $5,823 USD

A
Cheapest Retailer
-
$1,357 USD
A
Retailer 2
-
$1,477 USD
View
A
Retailer 3
-
$1,519 USD
View
Final sale: no returns
A
Retailer 4
-
$1,574 USD
View
Retailer 5
-
$1,574 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,745 USD
View
A
Retailer 7
-
$2,214 USD
£1,743 GBP
View
A
Retailer 8
-
$2,290 USD
View
A
Retailer 9
-
$2,444 USD
€2,328 EUR
View
A
Retailer 10
-
$2,530 USD
View
A
Retailer 11
-
$2,652 USD
View
A
Retailer 12
-
$2,951 USD
View
Retailer 13
-
$3,561 USD
A$5,478 AUD
View
Price last confirmed 7 days ago
A
Retailer 14
-
$3,656 USD
ZAR 59,057 ZAR
View
B+
Retailer 15
-
$3,795 USD
£2,988 GBP
View
B+
Retailer 16
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$4,244 USD
View
B+
Retailer 17
-
$4,408 USD
View
B+
Retailer 18
-
$4,886 USD
View
Retailer 19
-
$4,955 USD
A$7,623 AUD
View
Price last confirmed 21 days ago
B+
Retailer 20
-
$5,085 USD
£4,004 GBP
View
B+
Retailer 21
-
$5,533 USD
View
Retailer 22
-
$5,580 USD
View
Price last confirmed 8 days ago
B
Retailer 23
-
$5,823 USD
View
Most Expensive
Brilliant Earth
15520404A · Oct 16
$10,280 USD
View
Price last confirmed 13 days ago
23 more retailers have this diamond
Prices start from $1,357 USDSave up to $4,466 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.09ct Emerald
$1,357 USD