Emerald|Lab Grown|IGI

1.54ct G SI1 Emerald Lab Grown Diamond

ID • G/SI1 • IGI LG631467040

Shape and cutting style on the report: Emerald cut

Certificate IGI LG631467040

Diamond specifications and retailer prices

From $262 USD
As of October 30, 2026
Save $415 USD (61%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $909 USD at MOH London · As of October 21, 2026
View at MOH London

About this 1.54ct lab-grown emerald diamond

This 1.54ct lab-grown emerald sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG631467040 or 631467040. Listed at 6 retailers as of October 29, 2026, with a 158% 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

1.54
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631467040
Dimensions7.87 × 5.52 × 3.70 mm
L/W Ratio1.43
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.87 mm5.52 mm1.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631467040
Side View
Table 61.0%Crown 32.5°Girdle: MediumPavilion 43.1°Culet: LNGDepth 67.0%

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 30
Current: $909 USD|Low: $262 USD|High: $942 USD|Avg: $574 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4$262 USD
Retailer 2$336 USD
Retailer 3$349 USD
Retailer 5$457 USD
Retailer 8$510 USD
Retailer 6$677 USD
MOH London$909 USD
Retailer 7$942 USD

15 data points across 8 retailers

6 retailers$262 USD to $677 USD

B+
Cheapest Retailer
-
$262 USD
A
Retailer 2
-
$336 USD
£264 GBP
View
A
Retailer 3
-
$349 USD
£275 GBP
View
A
Retailer 4
-
$457 USD
View
B+
Retailer 5
-
$677 USD
View
Most Expensive
MOH London
LG631467040 · Oct 21
$909 USD
£716 GBP
View
Price last confirmed 10 days ago
5 more retailers have this diamond
Prices start from $262 USDSave up to $415 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
1.54ct Emerald
$262 USD