Emerald|Lab Grown|IGI

5.09ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG754565476

Shape and cutting style on the report: Emerald cut

Certificate IGI LG754565476

Diamond specifications and retailer prices

From $573 USD
As of October 29, 2026
Save $4,627 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,200 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.09ct lab-grown emerald diamond

This 5.09ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754565476 or 754565476. Listed at 18 retailers as of October 29, 2026, with prices from $573 to $5,200, a $4,627 spread on the same certified stone. Brilliant Earth lists it at $5,200. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.09
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754565476
Dimensions11.69 × 8.09 × 5.17 mm
L/W Ratio1.44
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.69 mm8.09 mm5.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754565476
Side View
Table 60.0%Crown 31.8°Girdle: Slightly ThickPavilion 38.2°Culet: LargeDepth 63.9%

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: $5,200 USD|Low: $551 USD|High: $5,820 USD|Avg: $1,549 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 4$551 USD
Retailer 3$573 USD
Retailer 11$635 USD
Retailer 7$685 USD
Retailer 9$852 USD
Retailer 5$954 USD
Retailer 2$981 USD
Retailer 12$999 USD
Retailer 8$1,639 USD
Retailer 10$2,088 USD
Retailer 6$2,664 USD
Brilliant Earth$5,200 USD

41 data points across 12 retailers

18 retailers$573 USD to $5,200 USD

Retailer 1
-
$512 USD
Price last confirmed 38 days ago
Retailer 2
-
$512 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$573 USD
View
Final sale: no returns
Retailer 4
-
$573 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$627 USD
View
Price last confirmed 38 days ago
Retailer 6
-
$627 USD
View
Price last confirmed 30 days ago
Retailer 7
-
$635 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$685 USD
View
B+
Retailer 9
-
$852 USD
View
A
Retailer 10
-
$954 USD
€909 EUR
View
A
Retailer 11
-
$981 USD
£773 GBP
View
A
Retailer 12
-
$999 USD
View
B+
Retailer 13
-
$1,639 USD
View
Retailer 14
-
$1,670 USD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
$2,066 USD
View
B+
Retailer 16
-
$2,088 USD
View
B
Retailer 17
-
$2,664 USD
£2,098 GBP
View
Most Expensive
B
Brilliant Earth
18620791A · Oct 29
$5,200 USD
View
17 more retailers have this diamond
Prices start from $573 USDSave up to $4,627 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
5.09ct Emerald
$573 USD