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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 €1,735 EUR
HK$15,200 HKD
As of November 1, 2026
Save €3,108 EUR (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €4,842 EUR 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 €1,735 to €4,842, a €3,108 spread on the same certified stone. NZ Jewellers lists it at €4,842. 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: €4,842 EUR|Low: €1,712 EUR|High: €5,595 EUR|Avg: €2,810 EUR|-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 2, 2026
Retailer 8€1,735 EUR
Retailer 9€1,841 EUR
Retailer 4€1,937 EUR
Retailer 13€2,077 EUR
Retailer 10€2,098 EUR
Retailer 11€2,098 EUR
Retailer 3€2,195 EUR
Retailer 12€2,421 EUR
Retailer 6€2,440 EUR
Retailer 2€2,611 EUR
Retailer 5€3,106 EUR
Retailer 7€4,058 EUR
NZ Jewellers€4,842 EUR

40 data points across 13 retailers

13 retailers€1,735 EUR to €4,842 EUR

A
Cheapest Retailer
-
€1,735 EUR
HK$15,200 HKD
A
Retailer 2
-
€1,841 EUR
$2,065 USD
View
A
Retailer 3
-
€1,937 EUR
$2,172 USD
View
Final sale: no returns
A
Retailer 4
-
€2,077 EUR
$2,330 USD
View
B+
Retailer 5
-
€2,098 EUR
$2,353 USD
View
B+
Retailer 6
-
€2,098 EUR
$2,353 USD
View
B+
Retailer 7
-
€2,195 EUR
$2,462 USD
View
B+
Retailer 8
-
€2,421 EUR
$2,715 USD
View
B+
Retailer 9
-
€2,440 EUR
£2,155 GBP
View
B+
Retailer 10
-
€2,611 EUR
View
Retailer 11
-
€3,106 EUR
$3,484 USD
View
Price last confirmed 20 days ago
B
Retailer 12
-
€4,058 EUR
£3,584 GBP
View
Most Expensive
C
NZ Jewellers
a1949a10-952a-466a-aab5-f5bd6a4c9967 · Oct 30
€4,842 EUR
$5,431 USD
View
12 more retailers have this diamond
Prices start from €1,735 EURSave up to €3,108 EUR

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
€1,735 EUR