Emerald|Lab Grown|IGI

1.56ct I SI2 Emerald Lab Grown Diamond

ID • I/SI2 • IGI LG407935481

Shape and cutting style on the report: Emerald cut

Certificate IGI LG407935481

Diamond specifications and retailer prices

From $860 USD
As of October 31, 2026
Save $1,787 USD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,340 USD at MOH London · As of October 19, 2026
View at MOH London

About this 1.56ct lab-grown emerald diamond

This 1.56ct lab-grown emerald sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG407935481 or 407935481. Listed at 10 retailers as of October 26, 2026, with a 208% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.56
Carat
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle24.6°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG407935481
Dimensions7.62 × 5.50 × 3.68 mm
L/W Ratio1.39
Culet sizeLong
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) Type IIa
Top View
7.62 mm5.50 mm1.56 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG407935481
Side View
Table 66.0%Crown 24.6°Girdle: STK-THKPavilion 39°Culet: LNGDepth 66.9%

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 31
Current: $4,340 USD|Low: $860 USD|High: $4,374 USD|Avg: $1,975 USD|-0.5%
MOH London
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 2$860 USD
Retailer 5$1,158 USD
Retailer 10$1,260 USD
Retailer 11$1,296 USD
Retailer 6$1,343 USD
Retailer 9$1,343 USD
Retailer 3$1,913 USD
Retailer 7$2,135 USD
Retailer 8$2,518 USD
Retailer 12$2,647 USD
Retailer 4$3,008 USD
MOH London$4,340 USD

16 data points across 12 retailers

10 retailers$860 USD to $2,647 USD

A
Cheapest Retailer
-
$860 USD
B+
Retailer 2
-
$1,158 USD
View
B+
Retailer 3
-
$1,260 USD
View
B+
Retailer 4
-
$1,296 USD
View
Final sale: no returns
B
Retailer 5
-
$1,343 USD
View
Retailer 6
-
$1,343 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$2,135 USD
View
B
Retailer 8
-
$2,518 USD
View
B
Retailer 9
-
$2,647 USD
View
Most Expensive
MOH London
LG407935481 · Oct 19
$4,340 USD
£3,417 GBP
View
Price last confirmed 13 days ago
9 more retailers have this diamond
Prices start from $860 USDSave up to $1,787 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
1.56ct Emerald
$860 USD