Emerald|Lab Grown|IGI

1.05ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG371912088

Shape and cutting style on the report: Emerald cut

Certificate IGI LG371912088

Diamond specifications and retailer prices

From $147 USD
As of November 6, 2026
Save $783 USD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $930 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.05ct lab-grown emerald diamond

This 1.05ct 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 LG371912088 or 371912088. Listed at 13 retailers as of November 4, 2026, with prices from $147 to $930, a $783 spread on the same certified stone. Brilliant Earth lists it at $930. 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

1.05
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG371912088
Dimensions6.74 × 4.84 × 3.26 mm
L/W Ratio1.39
Culet sizeLarge
Cert comments
This laboratory grown diamond is classified as Type II.
Top View
6.74 mm4.84 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG371912088
Side View
Table 68.0%CrownGirdle: MediumPavilionCulet: LargeDepth 67.4%

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: Nov 6
Current: $930 USD|Low: $141 USD|High: $960 USD|Avg: $333 USD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$147 USD
Retailer 11$164 USD
Retailer 8$182 USD
Retailer 9$182 USD
Retailer 10$248 USD
Retailer 2$311 USD
Retailer 3$346 USD
Retailer 4$346 USD
Retailer 5$346 USD
Retailer 6$437 USD
Brilliant Earth$930 USD

44 data points across 11 retailers

13 retailers$147 USD to $930 USD

A
Cheapest Retailer
-
$147 USD
A
Retailer 2
-
$164 USD
View
Final sale: no returns
A
Retailer 3
-
$170 USD
View
A
Retailer 4
-
$182 USD
View
Retailer 5
-
$182 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$248 USD
View
A
Retailer 7
-
$311 USD
View
A
Retailer 8
-
$346 USD
View
B+
Retailer 9
-
$346 USD
View
Retailer 10
-
$346 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$437 USD
View
B+
Retailer 12
-
$586 USD
View
Most Expensive
B
Brilliant Earth
18032335A · Nov 4
$930 USD
View
12 more retailers have this diamond
Prices start from $147 USDSave up to $783 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
1.05ct Emerald
$147 USD