Emerald|Lab Grown|IGI

1.58ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG656402047

Shape and cutting style on the report: Emerald cut

Certificate IGI LG656402047

Diamond specifications and retailer prices

From $157 USD
As of October 27, 2026
Save $1,123 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,280 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.58ct lab-grown emerald diamond

This 1.58ct lab-grown emerald sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG656402047 or 656402047. Listed at 19 retailers as of October 27, 2026, with prices from $157 to $1,280, a $1,123 spread on the same certified stone. Brilliant Earth lists it at $1,280. 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

1.58
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656402047
Dimensions8.29 × 5.32 × 3.51 mm
L/W Ratio1.56
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.29 mm5.32 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656402047
Side View
Table 65.0%Crown 35.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 66.0%

Caratlytics Score

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

Price History

Last verified: Oct 27
Current: $1,280 USD|Low: $157 USD|High: $1,320 USD|Avg: $548 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 29, 2026
Retailer 10$157 USD
Retailer 12$194 USD
Retailer 6$250 USD
Retailer 2$339 USD
Retailer 8$351 USD
Retailer 3$353 USD
Retailer 5$371 USD
Retailer 4$460 USD
Retailer 9$659 USD
Retailer 11$850 USD
Retailer 7$913 USD
Brilliant Earth$1,280 USD

43 data points across 12 retailers

19 retailers$157 USD to $1,280 USD

A
Retailer 1
-
$157 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$157 USD
View
A
Retailer 3
-
$182 USD
View
A
Retailer 4
-
$192 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$194 USD
View
A
Retailer 6
-
$194 USD
View
A
Retailer 7
-
$250 USD
£197 GBP
View
A
Retailer 8
-
$339 USD
£267 GBP
View
A
Retailer 9
-
$351 USD
£276 GBP
View
B+
Retailer 10
-
$353 USD
View
A
Retailer 11
-
$371 USD
€353 EUR
View
A
Retailer 12
-
$460 USD
View
B+
Retailer 13
-
$624 USD
View
B+
Retailer 14
-
$659 USD
View
B
Retailer 15
-
$850 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$886 USD
View
Price last confirmed 50 days ago
B
Retailer 17
-
$913 USD
£719 GBP
View
B
Retailer 18
-
$915 USD
View
Price last confirmed 80 days ago
Most Expensive
B
Brilliant Earth
13300006A · Oct 29
$1,280 USD
View
18 more retailers have this diamond
Prices start from $157 USDSave up to $1,123 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
1.58ct Emerald
$157 USD