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1.43ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG602393517

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602393517

Diamond specifications and retailer prices

From $178 USD
As of October 29, 2026
Save $1,532 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,710 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.43ct lab-grown round diamond

This 1.43ct lab-grown round 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 LG602393517 or 602393517. Listed at 11 retailers as of October 29, 2026, with prices from $178 to $1,710, a $1,532 spread on the same certified stone. Do Amore Diamonds lists it at $1,710. 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 angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602393517
Dimensions7.20 × 7.24 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.20 mm7.24 mm1.43 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602393517
Side View
Table 58.0%Crown 34.3°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 61.8%

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 29
Current: $1,710 USD|Low: $142 USD|High: $1,710 USD|Avg: $648 USD|+2.4%
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
October 29, 2026
Retailer 8$178 USD
Retailer 11$197 USD
Retailer 6$206 USD
Retailer 10$391 USD
Retailer 3$443 USD
Retailer 2$477 USD
Retailer 4$544 USD
Retailer 12$566 USD
Retailer 7$749 USD
Retailer 9$783 USD
Retailer 5$1,140 USD
Do Amore Diamonds$1,710 USD

34 data points across 12 retailers

11 retailers$178 USD to $1,710 USD

A
Cheapest Retailer
-
$178 USD
A
Retailer 2
-
$197 USD
View
Final sale: no returns
A
Retailer 3
-
$206 USD
View
B+
Retailer 4
-
$391 USD
View
A
Retailer 5
-
$477 USD
£376 GBP
View
B
Retailer 6
-
$749 USD
View
B
Retailer 7
-
$783 USD
View
B
Retailer 8
-
$1,130 USD
View
B
Retailer 9
-
$1,140 USD
£898 GBP
View
B
Retailer 10
-
$1,600 USD
View
Most Expensive
B
Do Amore Diamonds
27-D8DB6760D · Oct 29
$1,710 USD
View
10 more retailers have this diamond
Prices start from $178 USDSave up to $1,532 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 Round
$178 USD