Round|Natural|GIA

1.26ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6445671090

Certificate GIA 6445671090

Diamond specifications and retailer prices

From $1,946 USD
HK$15,200 HKD
As of November 1, 2026
Save $3,485 USD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,431 USD 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 $1,946 to $5,431, a $3,485 spread on the same certified stone. NZ Jewellers lists it at $5,431. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,431 USD|Low: $1,920 USD|High: $6,275 USD|Avg: $3,163 USD|-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$1,946 USD
Retailer 9$2,065 USD
Retailer 4$2,172 USD
Retailer 13$2,330 USD
Retailer 10$2,353 USD
Retailer 11$2,353 USD
Retailer 3$2,462 USD
Retailer 12$2,715 USD
Retailer 6$2,760 USD
Retailer 8$2,942 USD
Retailer 5$3,484 USD
Retailer 2$4,552 USD
NZ Jewellers$5,431 USD

40 data points across 13 retailers

13 retailers$1,946 USD to $5,431 USD

A
Cheapest Retailer
-
$1,946 USD
HK$15,200 HKD
Retailer 2
-
$2,065 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$2,172 USD
View
Final sale: no returns
A
Retailer 4
-
$2,330 USD
View
B+
Retailer 5
-
$2,353 USD
View
B+
Retailer 6
-
$2,353 USD
View
B+
Retailer 7
-
$2,462 USD
View
B+
Retailer 8
-
$2,715 USD
View
B+
Retailer 9
-
$2,760 USD
£2,173 GBP
View
B+
Retailer 10
-
$2,942 USD
€2,802 EUR
View
Retailer 11
-
$3,484 USD
View
Price last confirmed 19 days ago
B
Retailer 12
-
$4,552 USD
£3,584 GBP
View
Most Expensive
C
NZ Jewellers
a1949a10-952a-466a-aab5-f5bd6a4c9967 · Oct 30
$5,431 USD
View
12 more retailers have this diamond
Prices start from $1,946 USDSave up to $3,485 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
1.26ct Round
$1,946 USD