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Emerald|Lab Grown|IGI

1.09ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG728507090

Shape and cutting style on the report: Emerald cut

Certificate IGI LG728507090

Diamond specifications and retailer prices

From $290 USD
As of October 28, 2026
Save $688 USD (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $978 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1.09ct lab-grown emerald diamond

This 1.09ct lab-grown emerald sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728507090 or 728507090. Listed at 6 retailers as of October 26, 2026, with prices from $290 to $978, a $688 spread on the same certified stone. MOH London lists it at $978. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728507090
Dimensions4.83 × 4.83 × 7.00 mm
L/W Ratio1.00
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.83 mm4.83 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728507090
Side View
Table 65.0%Crown 39.6°Girdle: MED-STKPavilion 39.7°Culet: LargeDepth 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 28
Current: $978 USD|Low: $290 USD|High: $988 USD|Avg: $541 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3$290 USD
Retailer 2$370 USD
Retailer 7$406 USD
Retailer 4$453 USD
Retailer 5$628 USD
Retailer 6$726 USD
MOH London$978 USD

40 data points across 7 retailers

6 retailers$290 USD to $978 USD

B+
Cheapest Retailer
-
$290 USD
A
Retailer 2
-
$370 USD
£292 GBP
View
A
Retailer 3
-
$453 USD
View
B+
Retailer 4
-
$628 USD
View
B+
Retailer 5
-
$726 USD
View
Most Expensive
B+
MOH London
LG728507090 · Oct 26
$978 USD
£770 GBP
View
5 more retailers have this diamond
Prices start from $290 USDSave up to $688 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
1.09ct Emerald
$290 USD