Emerald|Lab Grown|IGI

1.43ct F SI1 Emerald Lab Grown Diamond

ID • F/SI1 • IGI LG579359917

Shape and cutting style on the report: Emerald cut

Certificate IGI LG579359917

Diamond specifications and retailer prices

From $176 USD
As of October 27, 2026
Save $1,514 USD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,690 USD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.43ct lab-grown emerald diamond

This 1.43ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG579359917 or 579359917. Listed at 9 retailers as of October 27, 2026, with prices from $176 to $1,690, a $1,514 spread on the same certified stone. Do Amore Diamonds lists it at $1,690. 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

1.43
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579359917
Dimensions7.69 × 5.24 × 3.57 mm
L/W Ratio1.47
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
7.69 mm5.24 mm1.43 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579359917
Side View
Table 59.0%Crown 35.9°Girdle: MediumPavilion 39.5°Culet: LargeDepth 68.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $1,690 USD|Low: $136 USD|High: $1,690 USD|Avg: $682 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 18, 2026
Retailer 4$176 USD
Retailer 9$197 USD
Retailer 10$204 USD
Retailer 6$388 USD
Retailer 3$741 USD
Retailer 8$774 USD
Retailer 7$777 USD
Retailer 5$870 USD
Retailer 2$1,133 USD
Do Amore Diamonds$1,690 USD

16 data points across 10 retailers

9 retailers$176 USD to $1,690 USD

A
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$204 USD
View
B+
Retailer 3
-
$388 USD
View
B+
Retailer 4
-
$741 USD
View
B
Retailer 5
-
$774 USD
View
B
Retailer 6
-
$777 USD
View
B
Retailer 7
-
$870 USD
View
Retailer 8
-
$1,133 USD
£892 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-C95854795 · Oct 27
$1,690 USD
View
8 more retailers have this diamond
Prices start from $176 USDSave up to $1,514 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
1.43ct Emerald
$176 USD