Emerald|Lab Grown|IGI

1.40ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG566310375

Shape and cutting style on the report: Emerald cut

Certificate IGI LG566310375

Diamond specifications and retailer prices

From $175 USD
As of October 27, 2026
Save $1,505 USD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,680 USD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.4ct lab-grown emerald diamond

This 1.4ct lab-grown emerald sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG566310375 or 566310375. Listed at 9 retailers as of October 27, 2026, with prices from $175 to $1,680, a $1,505 spread on the same certified stone. Do Amore Diamonds lists it at $1,680. 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

1.40
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566310375
Dimensions7.41 × 5.29 × 3.55 mm
L/W Ratio1.40
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
7.41 mm5.29 mm1.40 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566310375
Side View
Table 65.0%Crown 36.2°Girdle: Slightly ThickPavilion 40.7°Culet: LargeDepth 67.1%

Caratlytics Score

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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: $1,680 USD|Low: $138 USD|High: $1,700 USD|Avg: $646 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 25, 2026
Retailer 9$175 USD
Retailer 13$198 USD
Retailer 7$203 USD
Retailer 12$386 USD
Retailer 3$393 USD
Retailer 4$513 USD
Retailer 6$564 USD
Retailer 11$705 USD
Retailer 8$736 USD
Retailer 14$750 USD
Retailer 10$769 USD
Retailer 5$940 USD
Retailer 2$1,120 USD
Do Amore Diamonds$1,680 USD

19 data points across 14 retailers

9 retailers$175 USD to $1,680 USD

A
Cheapest Retailer
-
$175 USD
A
Retailer 2
-
$198 USD
View
Final sale: no returns
A
Retailer 3
-
$203 USD
View
B+
Retailer 4
-
$386 USD
View
Retailer 5
-
$705 USD
View
Price last confirmed 11 days ago
B
Retailer 6
-
$736 USD
View
B
Retailer 7
-
$769 USD
View
B
Retailer 8
-
$1,120 USD
£882 GBP
View
Most Expensive
B
Do Amore Diamonds
27-1E48312D2 · Oct 27
$1,680 USD
View
8 more retailers have this diamond
Prices start from $175 USDSave up to $1,505 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
1.40ct Emerald
$175 USD