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Emerald|Lab Grown|IGI

1.43ct E SI1 Emerald Lab Grown Diamond

ID • E/SI1 • IGI LG488157500

Shape and cutting style on the report: Emerald cut

Certificate IGI LG488157500

Diamond specifications and retailer prices

From $270 USD
As of October 30, 2026
Save $2,130 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,400 USD at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488157500 or 488157500. Listed at 18 retailers as of October 29, 2026, with prices from $270 to $2,400, a $2,130 spread on the same certified stone. Do Amore Diamonds lists it at $2,400. 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488157500
Dimensions7.59 × 5.32 × 3.50 mm
L/W Ratio1.43
Culet sizeLong
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
7.59 mm5.32 mm1.43 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488157500
Side View
Table 67.5%Crown 28.2°Girdle: MED-STKPavilion 37.9°Culet: LNGDepth 65.8%

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 30
Current: $657 USD|Low: $215 USD|High: $1,501 USD|Avg: $691 USD|+2.9%
Retailer 1
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 30, 2026
Retailer 11$270 USD
Retailer 10$314 USD
Retailer 5$322 USD
Retailer 13$335 USD
Retailer 2$522 USD
Retailer 8$525 USD
Retailer 4$594 USD
Retailer 7$610 USD
Retailer 1$657 USD
Retailer 6$834 USD
Retailer 14$1,030 USD
Retailer 3$1,160 USD
Retailer 12$1,190 USD
Retailer 9$1,486 USD

45 data points across 14 retailers

18 retailers$270 USD to $2,400 USD

A
Cheapest Retailer
-
$270 USD
A
Retailer 2
-
$314 USD
View
A
Retailer 3
-
$322 USD
View
Final sale: no returns
A
Retailer 4
-
$335 USD
View
B+
Retailer 5
-
$499 USD
HK$3,900 HKD
View
B+
Retailer 6
-
$522 USD
View
B+
Retailer 7
-
$525 USD
View
B+
Retailer 8
-
$594 USD
View
B+
Retailer 9
-
$610 USD
€581 EUR
View
B+
Retailer 10
-
$657 USD
£517 GBP
View
B
Retailer 11
-
$834 USD
View
B
Retailer 12
-
$1,030 USD
View
B
Retailer 13
-
$1,160 USD
View
B
Retailer 14
-
$1,190 USD
View
B
Retailer 15
-
$1,355 USD
View
B
Retailer 16
-
$1,448 USD
SGD 1,957 SGD
View
B
Retailer 17
-
$1,486 USD
£1,170 GBP
View
Most Expensive
B
Do Amore Diamonds
27-315C4D0A4 · Oct 29
$2,400 USD
View
17 more retailers have this diamond
Prices start from $270 USDSave up to $2,130 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
$270 USD