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Emerald|Lab Grown|IGI

1.55ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG750561508

Shape and cutting style on the report: Emerald cut

Certificate IGI LG750561508

Diamond specifications and retailer prices

From $192 USD
As of November 1, 2026
Save $933 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,125 USD at MOH London · As of October 29, 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 top-tier cut grade and certified by IGI LG750561508 or 750561508. Listed at 14 retailers as of October 29, 2026, with prices from $192 to $1,125, a $933 spread on the same certified stone. MOH London lists it at $1,125. 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

1.55
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750561508
Dimensions7.90 × 5.33 × 3.80 mm
L/W Ratio1.48
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.90 mm5.33 mm1.55 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750561508
Side View
Table 62.0%Crown 41.8°Girdle: STK-THKPavilion 41.6°Culet: LargeDepth 71.3%

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 1
Current: $1,125 USD|Low: $188 USD|High: $1,160 USD|Avg: $553 USD|-3.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 14$192 USD
Retailer 12$214 USD
Retailer 9$223 USD
Retailer 7$238 USD
Retailer 4$239 USD
Retailer 13$415 USD
Retailer 2$433 USD
Retailer 11$572 USD
Retailer 10$612 USD
Retailer 8$765 USD
Retailer 5$779 USD
Retailer 3$818 USD
Retailer 6$1,100 USD
MOH London$1,125 USD

34 data points across 14 retailers

14 retailers$192 USD to $1,125 USD

A
Cheapest Retailer
-
$192 USD
A
Retailer 2
-
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$223 USD
View
A
Retailer 4
-
$238 USD
View
Retailer 5
-
$239 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$415 USD
View
A
Retailer 7
-
$433 USD
£341 GBP
View
B+
Retailer 8
-
$572 USD
View
B+
Retailer 9
-
$612 USD
View
B+
Retailer 10
-
$765 USD
View
B+
Retailer 11
-
$779 USD
SGD 1,053 SGD
View
B+
Retailer 12
-
$818 USD
View
B
Retailer 13
-
$1,100 USD
View
Most Expensive
B
MOH London
LG750561508 · Oct 29
$1,125 USD
£886 GBP
View
13 more retailers have this diamond
Prices start from $192 USDSave up to $933 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
$192 USD