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1.26ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 839696421

Shape and cutting style on the report: Round brilliant

Certificate IGI 839696421

Diamond specifications and retailer prices

From $2,075 NZD
£921 GBP
As of October 30, 2026
Save $3,168 NZD (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,243 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.26ct natural round diamond

This 1.26ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 839696421. Listed at 8 retailers as of October 30, 2026, with prices from $2,075 to $5,243, a $3,168 spread on the same certified stone. NZ Jewellers lists it at $5,243. 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

1.26
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 839696421
Dimensions6.82 × 6.87 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.82 mm6.87 mm1.26 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 839696421
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.0%

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: Oct 30
Current: $5,243 NZD|Low: $2,068 NZD|High: $5,243 NZD|Avg: $2,960 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 3$2,075 NZD
Retailer 7$2,150 NZD
Retailer 5$2,232 NZD
Retailer 8$2,262 NZD
Retailer 6$2,402 NZD
Retailer 2$2,992 NZD
Retailer 4$3,959 NZD
NZ Jewellers$5,243 NZD

16 data points across 8 retailers

8 retailers$2,075 NZD to $5,243 NZD

A
Cheapest Retailer
-
$2,075 NZD
£921 GBP
A
Retailer 2
-
$2,150 NZD
$1,212 USD
View
A
Retailer 3
-
$2,232 NZD
$1,258 USD
View
A
Retailer 4
-
$2,262 NZD
$1,275 USD
View
A
Retailer 5
-
$2,402 NZD
$1,354 USD
View
A
Retailer 6
-
$2,992 NZD
€1,606 EUR
View
A
Retailer 7
-
$3,959 NZD
£1,757 GBP
View
Most Expensive
B
NZ Jewellers
f2405b3e-dde7-419b-8f64-bf87b0b779d8 · Oct 30
$5,243 NZD
$2,955 USD
View
7 more retailers have this diamond
Prices start from $2,075 NZDSave up to $3,168 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
1.26ct Round
$2,075 NZD