Emerald|Lab Grown|IGI

1.09ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG384967345

Shape and cutting style on the report: Emerald cut

Certificate IGI LG384967345

Diamond specifications and retailer prices

From $151 USD
As of October 30, 2026
Save $819 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $970 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.09ct lab-grown emerald diamond

This 1.09ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG384967345 or 384967345. Listed at 12 retailers as of October 29, 2026, with prices from $151 to $970, a $819 spread on the same certified stone. Brilliant Earth lists it at $970. 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

1.09
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle17.7°
Pavilion angle46.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG384967345
Dimensions6.84 × 5.02 × 3.31 mm
L/W Ratio1.36
Culet sizeLarge
Cert comments
This laboratory grown diamond is classified as Type II.
Top View
6.84 mm5.02 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG384967345
Side View
Table 65.5%Crown 17.7°Girdle: MediumPavilion 46.2°Culet: LargeDepth 65.9%

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 30
Current: $970 USD|Low: $121 USD|High: $1,000 USD|Avg: $350 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5$151 USD
Retailer 8$170 USD
Retailer 6$188 USD
Retailer 7$188 USD
Retailer 9$255 USD
Retailer 2$326 USD
Retailer 3$356 USD
Retailer 10$360 USD
Retailer 4$454 USD
Brilliant Earth$970 USD

44 data points across 10 retailers

12 retailers$151 USD to $970 USD

A
Cheapest Retailer
-
$151 USD
A
Retailer 2
-
$170 USD
View
Final sale: no returns
A
Retailer 3
-
$176 USD
View
A
Retailer 4
-
$188 USD
View
A
Retailer 5
-
$188 USD
View
B+
Retailer 6
-
$255 USD
View
A
Retailer 7
-
$326 USD
£257 GBP
View
A
Retailer 8
-
$356 USD
€339 EUR
View
B+
Retailer 9
-
$360 USD
View
Retailer 10
-
$454 USD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$604 USD
View
Most Expensive
B
Brilliant Earth
18031754A · Oct 29
$970 USD
View
11 more retailers have this diamond
Prices start from $151 USDSave up to $819 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
1.09ct Emerald
$151 USD