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Round|Natural|GIA

1.26ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6445671090

Certificate GIA 6445671090

Diamond specifications and retailer prices

From $2,770 AUD
HK$15,200 HKD
As of November 1, 2026
Save $4,962 AUD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,732 AUD 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 GIA 6445671090. Listed at 13 retailers as of October 30, 2026, with prices from $2,770 to $7,732, a $4,962 spread on the same certified stone. NZ Jewellers lists it at $7,732. 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
FluorescenceStrong
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6445671090
Dimensions6.87 × 6.83 × 4.31 mm
L/W Ratio1.01
Top View
6.87 mm6.83 mm1.26 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6445671090
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

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 1
Current: $7,732 AUD|Low: $2,733 AUD|High: $8,933 AUD|Avg: $4,503 AUD|-13.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 7$2,770 AUD
Retailer 9$2,940 AUD
Retailer 4$3,092 AUD
Retailer 13$3,317 AUD
Retailer 10$3,350 AUD
Retailer 11$3,350 AUD
Retailer 3$3,505 AUD
Retailer 12$3,865 AUD
Retailer 6$3,929 AUD
Retailer 8$4,188 AUD
Retailer 5$4,960 AUD
Retailer 2$6,480 AUD
NZ Jewellers$7,732 AUD

40 data points across 13 retailers

13 retailers$2,770 AUD to $7,732 AUD

A
Cheapest Retailer
-
$2,770 AUD
HK$15,200 HKD
A
Retailer 2
-
$2,940 AUD
$2,065 USD
View
A
Retailer 3
-
$3,092 AUD
$2,172 USD
View
Final sale: no returns
A
Retailer 4
-
$3,317 AUD
$2,330 USD
View
B+
Retailer 5
-
$3,350 AUD
$2,353 USD
View
B+
Retailer 6
-
$3,350 AUD
$2,353 USD
View
B+
Retailer 7
-
$3,505 AUD
$2,462 USD
View
B+
Retailer 8
-
$3,865 AUD
$2,715 USD
View
B+
Retailer 9
-
$3,929 AUD
£2,173 GBP
View
B+
Retailer 10
-
$4,188 AUD
€2,802 EUR
View
Retailer 11
-
$4,960 AUD
$3,484 USD
View
Price last confirmed 19 days ago
B
Retailer 12
-
$6,480 AUD
£3,584 GBP
View
Most Expensive
C
NZ Jewellers
a1949a10-952a-466a-aab5-f5bd6a4c9967 · Oct 30
$7,732 AUD
$5,431 USD
View
12 more retailers have this diamond
Prices start from $2,770 AUDSave up to $4,962 AUD

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
$2,770 AUD