Round|Natural|GIA

1.00ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 7421614155

Certificate GIA 7421614155

Diamond specifications and retailer prices

From €1,390 EUR
As of October 31, 2026
Save €2,626 EUR (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €4,016 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 7421614155. Listed at 20 retailers as of October 31, 2026, with prices from €1,390 to €4,016, a €2,626 spread on the same certified stone. NZ Jewellers lists it at €4,016. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7421614155
Dimensions6.30 × 6.22 × 4.01 mm
L/W Ratio1.01
Top View
6.30 mm6.22 mm1.00 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7421614155
Side View
Table 58.0%Crown 37°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 64.0%

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 31
Current: €1,947 EUR|Low: €1,386 EUR|High: €3,406 EUR|Avg: €2,133 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8€1,390 EUR
Retailer 9€1,398 EUR
Retailer 7€1,743 EUR
Retailer 10€1,773 EUR
Retailer 1€1,947 EUR
Retailer 4€2,074 EUR
Retailer 3€2,345 EUR
Retailer 6€2,356 EUR
Retailer 2€2,362 EUR
Retailer 5€3,365 EUR

38 data points across 10 retailers

20 retailers€1,390 EUR to €4,016 EUR

A
Cheapest Retailer
-
€1,390 EUR
A
Retailer 2
-
€1,398 EUR
View
B+
Retailer 3
-
€1,699 EUR
View
Retailer 4
-
€1,713 EUR
View
Price last confirmed 82 days ago
B+
Retailer 5
-
€1,743 EUR
View
B+
Retailer 6
-
€1,773 EUR
View
Final sale: no returns
Retailer 7
-
€1,921 EUR
View
Price last confirmed 8 days ago
B
Retailer 8
-
€1,921 EUR
View
B
Retailer 9
-
€1,939 EUR
View
B
Retailer 10
-
€1,947 EUR
View
B
Retailer 11
-
€2,010 EUR
View
B
Retailer 12
-
€2,045 EUR
View
B
Retailer 13
-
€2,074 EUR
View
B
Retailer 14
-
€2,217 EUR
View
B
Retailer 15
-
€2,345 EUR
View
B
Retailer 16
-
€2,356 EUR
View
Retailer 17
-
€2,362 EUR
View
Price last confirmed 31 days ago
B
Retailer 18
-
€3,120 EUR
View
B
Retailer 19
-
€3,365 EUR
View
Most Expensive
C
NZ Jewellers
810c9545-2c13-417f-bec6-102fb59b971f · Nov 5
€4,016 EUR
$4,484 USD
View
19 more retailers have this diamond
Prices start from €1,390 EURSave up to €2,626 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
1.00ct Round
€1,390 EUR