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1.43ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG436046485

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436046485

Diamond specifications and retailer prices

From $1,279 NZD
As of November 5, 2026
Save $4,529 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,808 NZD at MOH London · As of November 5, 2026
View at MOH London

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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046485 or 436046485. Listed at 10 retailers as of November 5, 2026, with prices from $1,279 to $5,808, a $4,529 spread on the same certified stone. MOH London lists it at $5,808. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046485
Dimensions7.27 × 7.24 × 4.40 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.27 mm7.24 mm1.43 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436046485
Side View
Table 60.5%Crown 34.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
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: Nov 5
Current: $5,808 NZD|Low: $1,227 NZD|High: $5,903 NZD|Avg: $2,527 NZD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 6$1,279 NZD
Retailer 9$1,391 NZD
Retailer 11$1,432 NZD
Retailer 2$1,441 NZD
Retailer 7$1,484 NZD
Retailer 3$1,521 NZD
Retailer 12$2,362 NZD
Retailer 8$2,407 NZD
Retailer 4$3,319 NZD
Retailer 5$3,654 NZD
Retailer 10$4,170 NZD
MOH London$5,808 NZD

17 data points across 12 retailers

10 retailers$1,279 NZD to $5,808 NZD

A
Cheapest Retailer
-
$1,279 NZD
A
Retailer 2
-
$1,391 NZD
View
A
Retailer 3
-
$1,432 NZD
View
Final sale: no returns
A
Retailer 4
-
$1,441 NZD
View
A
Retailer 5
-
$1,484 NZD
View
Retailer 6
-
$1,484 NZD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,407 NZD
View
B
Retailer 8
-
$3,654 NZD
View
B
Retailer 9
-
$4,170 NZD
View
Most Expensive
B
MOH London
LG436046485 · Nov 5
$5,808 NZD
£2,571 GBP
View
9 more retailers have this diamond
Prices start from $1,279 NZDSave up to $4,529 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
$1,279 NZD