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1.43ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 6455144078

Shape and cutting style on the report: Round brilliant

Certificate GIA 6455144078

Diamond specifications and retailer prices

From $1,839 USD
As of November 2, 2026
Save $2,698 USD (59%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,537 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.43ct natural round diamond

This 1.43ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6455144078. Listed at 4 retailers as of November 2, 2026, with prices from $1,839 to $4,537, a $2,698 spread on the same certified stone. NZ Jewellers lists it at $4,537. 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
L
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6455144078
Dimensions7.30 × 7.27 × 4.41 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Top View
7.30 mm7.27 mm1.43 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6455144078
Side View
Table 57.0%Crown 31.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.6%

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: Nov 2
Current: $4,537 USD|Low: $1,822 USD|High: $4,537 USD|Avg: $2,727 USD|+1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 3$1,839 USD
Retailer 4$2,044 USD
Retailer 2$2,447 USD
NZ Jewellers$4,537 USD

41 data points across 4 retailers

4 retailers$1,839 USD to $4,537 USD

A
Cheapest Retailer
-
$1,839 USD
B+
Retailer 2
-
$2,044 USD
View
B+
Retailer 3
-
$2,447 USD
View
Most Expensive
C
NZ Jewellers
5bc08999-c48c-469a-81a5-b546a8afecd7 · Nov 5
$4,537 USD
View
3 more retailers have this diamond
Prices start from $1,839 USDSave up to $2,698 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
$1,839 USD