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Emerald|Lab Grown|IGI

1.18ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG597355889

Shape and cutting style on the report: Emerald cut

Certificate IGI LG597355889

Diamond specifications and retailer prices

From $155 USD
As of October 27, 2026
Save $1,325 USD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,480 USD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

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 LG597355889 or 597355889. Listed at 9 retailers as of October 27, 2026, with prices from $155 to $1,480, a $1,325 spread on the same certified stone. Do Amore Diamonds lists it at $1,480. 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 angle34.7°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597355889
Dimensions7.02 × 4.99 × 3.36 mm
L/W Ratio1.41
Culet sizeLarge
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
7.02 mm4.99 mm1.18 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597355889
Side View
Table 65.0%Crown 34.7°Girdle: MediumPavilion 41.7°Culet: LargeDepth 67.3%

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: Oct 27
Current: $1,480 USD|Low: $148 USD|High: $1,480 USD|Avg: $611 USD|+2.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 4$155 USD
Retailer 9$173 USD
Retailer 10$179 USD
Retailer 6$351 USD
Retailer 5$630 USD
Retailer 3$651 USD
Retailer 7$680 USD
Retailer 8$711 USD
Retailer 2$991 USD
Do Amore Diamonds$1,480 USD

15 data points across 10 retailers

9 retailers$155 USD to $1,480 USD

A
Cheapest Retailer
-
$155 USD
A
Retailer 2
-
$179 USD
View
Retailer 3
-
$351 USD
View
Price last confirmed 7 days ago
B
Retailer 4
-
$630 USD
View
B
Retailer 5
-
$651 USD
View
Retailer 6
-
$680 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$711 USD
View
B
Retailer 8
-
$991 USD
£780 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C3048B9DA · Oct 27
$1,480 USD
View
8 more retailers have this diamond
Prices start from $155 USDSave up to $1,325 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
$155 USD