Emerald|Lab Grown|IGI

1.55ct F SI1 Emerald Lab Grown Diamond

VG • F/SI1 • IGI LG754501645

Shape and cutting style on the report: Emerald cut

Certificate IGI LG754501645

Diamond specifications and retailer prices

From $168 USD
As of November 1, 2026
Save $810 USD (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $978 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.55ct lab-grown emerald diamond

This 1.55ct lab-grown emerald sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG754501645 or 754501645. Listed at 8 retailers as of October 26, 2026, with prices from $168 to $978, a $810 spread on the same certified stone. MOH London lists it at $978. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754501645
Dimensions7.85 × 5.37 × 3.69 mm
L/W Ratio1.46
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.85 mm5.37 mm1.55 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754501645
Side View
Table 64.0%Crown 39.2°Girdle: MediumPavilion 40.5°Culet: LNGDepth 68.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $978 USD|Low: $168 USD|High: $988 USD|Avg: $543 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4$168 USD
Retailer 7$310 USD
Retailer 8$331 USD
Retailer 2$362 USD
Retailer 9$508 USD
Retailer 6$547 USD
Retailer 3$709 USD
Retailer 5$849 USD
MOH London$978 USD

18 data points across 9 retailers

8 retailers$168 USD to $978 USD

A
Cheapest Retailer
-
$168 USD
A
Retailer 2
-
$195 USD
View
A
Retailer 3
-
$362 USD
€345 EUR
View
B+
Retailer 4
-
$547 USD
View
B+
Retailer 5
-
$671 USD
View
B
Retailer 6
-
$709 USD
View
Retailer 7
-
$849 USD
SGD 1,147 SGD
View
Price last confirmed 19 days ago
Most Expensive
B
MOH London
LG754501645 · Oct 26
$978 USD
£770 GBP
View
7 more retailers have this diamond
Prices start from $168 USDSave up to $810 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
1.55ct Emerald
$168 USD