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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 $317 NZD
$178 USD
As of October 29, 2026
Save $2,728 NZD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,045 NZD 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 $317 to $3,045, a $2,728 spread on the same certified stone. Do Amore Diamonds lists it at $3,045. 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
Colour
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

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,045 NZD|Low: $253 NZD|High: $3,045 NZD|Avg: $1,153 NZD|+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$317 NZD
Retailer 11$351 NZD
Retailer 6$367 NZD
Retailer 10$696 NZD
Retailer 3$789 NZD
Retailer 2$850 NZD
Retailer 4$969 NZD
Retailer 12$1,008 NZD
Retailer 7$1,334 NZD
Retailer 9$1,394 NZD
Retailer 5$2,031 NZD
Do Amore Diamonds$3,045 NZD

34 data points across 12 retailers

11 retailers$317 NZD to $3,045 NZD

A
Cheapest Retailer
-
$317 NZD
$178 USD
A
Retailer 2
-
$351 NZD
$197 USD
View
Final sale: no returns
A
Retailer 3
-
$367 NZD
$206 USD
View
B+
Retailer 4
-
$696 NZD
$391 USD
View
A
Retailer 5
-
$850 NZD
£376 GBP
View
B
Retailer 6
-
$1,334 NZD
$749 USD
View
B
Retailer 7
-
$1,394 NZD
$783 USD
View
B
Retailer 8
-
$2,012 NZD
$1,130 USD
View
B
Retailer 9
-
$2,031 NZD
£898 GBP
View
B
Retailer 10
-
$2,849 NZD
$1,600 USD
View
Most Expensive
B
Do Amore Diamonds
27-D8DB6760D · Oct 29
$3,045 NZD
$1,710 USD
View
10 more retailers have this diamond
Prices start from $317 NZDSave up to $2,728 NZD

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
$317 NZD