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Emerald|Lab Grown|IGI

1.18ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG733543942

Shape and cutting style on the report: Emerald cut

Certificate IGI LG733543942

Diamond specifications and retailer prices

From $140 USD
As of November 1, 2026
Save $870 USD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,010 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.18ct lab-grown emerald diamond

This 1.18ct lab-grown emerald sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733543942 or 733543942. Listed at 13 retailers as of October 31, 2026, with prices from $140 to $1,010, a $870 spread on the same certified stone. Brilliant Earth lists it at $1,010. 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

1.18
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.7°
Pavilion angle42.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733543942
Dimensions7.66 × 5.00 × 3.28 mm
L/W Ratio1.53
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.66 mm5.00 mm1.18 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733543942
Side View
Table 66.0%Crown 27.7°Girdle: MED-STKPavilion 42.7°Culet: LargeDepth 65.6%

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: $1,010 USD|Low: $140 USD|High: $1,010 USD|Avg: $450 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 3$140 USD
Retailer 9$163 USD
Retailer 7$174 USD
Retailer 5$176 USD
Retailer 2$298 USD
Retailer 12$324 USD
Retailer 4$333 USD
Retailer 13$339 USD
Retailer 11$426 USD
Retailer 8$559 USD
Retailer 10$591 USD
Retailer 6$813 USD
Brilliant Earth$1,010 USD

42 data points across 13 retailers

13 retailers$140 USD to $1,010 USD

A
Cheapest Retailer
-
$140 USD
A
Retailer 2
-
$163 USD
View
A
Retailer 3
-
$174 USD
View
Retailer 4
-
$176 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$298 USD
£234 GBP
View
B+
Retailer 6
-
$324 USD
View
A
Retailer 7
-
$333 USD
€317 EUR
View
A
Retailer 8
-
$339 USD
£267 GBP
View
A
Retailer 9
-
$426 USD
View
B+
Retailer 10
-
$559 USD
View
B+
Retailer 11
-
$591 USD
View
B
Retailer 12
-
$813 USD
£640 GBP
View
Most Expensive
B
Brilliant Earth
16817002A · Oct 31
$1,010 USD
View
12 more retailers have this diamond
Prices start from $140 USDSave up to $870 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
1.18ct Emerald
$140 USD