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Round|Natural|GIA

1.20ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2507070551

Certificate GIA 2507070551

Diamond specifications and retailer prices

From €1,341 EUR
As of November 6, 2026
Save €3,019 EUR (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,360 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2507070551. Listed at 19 retailers as of November 5, 2026, with prices from €1,341 to €4,360, a €3,019 spread on the same certified stone. NZ Jewellers lists it at €4,360. 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

1.20
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2507070551
Dimensions6.77 × 6.73 × 4.26 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
6.77 mm6.73 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507070551
Side View
Table 56.0%Crown 36°Girdle: Sli. ThickPavilion 41.2°Culet: NoneDepth 63.3%

Caratlytics Score

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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 6
Current: €4,360 EUR|Low: €1,329 EUR|High: €4,360 EUR|Avg: €2,036 EUR
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 16€1,341 EUR
Retailer 2€1,352 EUR
Retailer 15€1,572 EUR
Retailer 7€1,615 EUR
Retailer 10€1,697 EUR
Retailer 11€1,710 EUR
Retailer 8€1,776 EUR
Retailer 6€1,788 EUR
Retailer 17€1,788 EUR
Retailer 18€1,870 EUR
Retailer 9€1,872 EUR
Retailer 5€1,910 EUR
Retailer 12€1,930 EUR
Retailer 4€2,063 EUR
Retailer 13€2,296 EUR
Retailer 3€2,603 EUR
Retailer 14€3,123 EUR
NZ Jewellers€4,360 EUR

23 data points across 18 retailers

19 retailers€1,341 EUR to €4,360 EUR

A
Cheapest Retailer
-
€1,341 EUR
A
Retailer 2
-
€1,352 EUR
View
A
Retailer 3
-
€1,572 EUR
View
A
Retailer 4
-
€1,615 EUR
View
Retailer 5
-
€1,621 EUR
View
Price last confirmed 109 days ago
Retailer 6
-
€1,697 EUR
View
Price last confirmed 13 days ago
A
Retailer 7
-
€1,710 EUR
View
A
Retailer 8
-
€1,776 EUR
View
B+
Retailer 9
-
€1,788 EUR
View
Retailer 10
-
€1,788 EUR
View
Price last confirmed 8 days ago
B+
Retailer 11
-
€1,870 EUR
View
Retailer 12
-
€1,872 EUR
View
Price last confirmed 10 days ago
B+
Retailer 13
-
€1,910 EUR
View
B+
Retailer 14
-
€1,930 EUR
View
B+
Retailer 15
-
€2,063 EUR
View
B+
Retailer 16
-
€2,296 EUR
View
B
Retailer 17
-
€2,603 EUR
View
B
Retailer 18
-
€3,123 EUR
View
Most Expensive
C
NZ Jewellers
f681003a-2f6a-4e28-bfee-41408dd3dba0 · Nov 5
€4,360 EUR
$4,868 USD
View
18 more retailers have this diamond
Prices start from €1,341 EURSave up to €3,019 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
1.20ct Round
€1,341 EUR