CaratHunter
Plans
Emerald|Lab Grown|IGI

0.90ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1 • IGI LG478118187

Shape and cutting style on the report: Emerald cut

Certificate IGI LG478118187

Diamond specifications and retailer prices

From $121 USD
As of October 27, 2026
Save $1,273 USD (91%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,394 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct lab-grown emerald diamond

This 0.9ct lab-grown emerald sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG478118187 or 478118187. Listed at 12 retailers as of October 27, 2026, with prices from $121 to $1,394, a $1,273 spread on the same certified stone. MOH London lists it at $1,394. 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

0.90
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle19.9°
Pavilion angle45.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478118187
Dimensions6.51 × 4.47 × 3.05 mm
L/W Ratio1.46
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
6.51 mm4.47 mm0.90 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478118187
Side View
Table 63.5%Crown 19.9°Girdle: STK-THKPavilion 45.1°Culet: LNGDepth 68.2%

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: $1,394 USD|Low: $141 USD|High: $2,880 USD|Avg: $796 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
October 29, 2026
Retailer 7$141 USD
Retailer 10$206 USD
Retailer 2$280 USD
Retailer 9$309 USD
Retailer 8$334 USD
Retailer 4$342 USD
Retailer 5$540 USD
Retailer 11$830 USD
Retailer 6$1,360 USD
MOH London$1,394 USD
Retailer 3$2,880 USD

41 data points across 11 retailers

12 retailers$121 USD to $1,394 USD

A
Cheapest Retailer
-
$121 USD
A
Retailer 2
-
$141 USD
View
A
Retailer 3
-
$160 USD
View
A
Retailer 4
-
$160 USD
View
B+
Retailer 5
-
$206 USD
View
A
Retailer 6
-
$280 USD
£221 GBP
View
B+
Retailer 7
-
$309 USD
View
B+
Retailer 8
-
$342 USD
£269 GBP
View
B+
Retailer 9
-
$534 USD
View
B
Retailer 10
-
$540 USD
View
B
Retailer 11
-
$1,360 USD
View
Most Expensive
B
MOH London
LG478118187 · Oct 29
$1,394 USD
£1,098 GBP
View
11 more retailers have this diamond
Prices start from $121 USDSave up to $1,273 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
0.90ct Emerald
$121 USD