CaratHunter
Plans
Round|Natural|GIA

1.00ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7526656191

Certificate GIA 7526656191

Diamond specifications and retailer prices

From €1,298 EUR
As of November 6, 2026
Save €2,492 EUR (66%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,790 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 top-tier cut grade and certified by GIA 7526656191. Listed at 20 retailers as of November 5, 2026, with prices from €1,298 to €3,790, a €2,492 spread on the same certified stone. NZ Jewellers lists it at €3,790. 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

1.00
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7526656191
Dimensions6.38 × 6.34 × 3.99 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Pinpoint
Top View
6.38 mm6.34 mm1.00 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7526656191
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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 6
Current: €1,298 EUR|Low: €1,298 EUR|High: €3,209 EUR|Avg: €1,912 EUR|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 1€1,298 EUR
Retailer 10€1,318 EUR
Retailer 2€1,637 EUR
Retailer 3€1,672 EUR
Retailer 4€1,711 EUR
Retailer 11€1,728 EUR
Retailer 5€1,833 EUR
Retailer 6€1,945 EUR
Retailer 7€2,212 EUR
Retailer 9€2,215 EUR
Retailer 8€3,167 EUR

28 data points across 11 retailers

20 retailers€1,298 EUR to €3,790 EUR

A
Cheapest Retailer
-
€1,298 EUR
A
Retailer 2
-
€1,318 EUR
View
B+
Retailer 3
-
€1,605 EUR
View
B+
Retailer 4
-
€1,637 EUR
View
B+
Retailer 5
-
€1,672 EUR
View
Final sale: no returns
B+
Retailer 6
-
€1,688 EUR
View
B+
Retailer 7
-
€1,711 EUR
View
B+
Retailer 8
-
€1,728 EUR
View
B+
Retailer 9
-
€1,813 EUR
View
Retailer 10
-
€1,813 EUR
View
Price last confirmed 8 days ago
B+
Retailer 11
-
€1,833 EUR
View
B+
Retailer 12
-
€1,841 EUR
View
B+
Retailer 13
-
€1,936 EUR
View
B+
Retailer 14
-
€1,945 EUR
View
B
Retailer 15
-
€2,091 EUR
View
B+
Retailer 16
-
€2,212 EUR
View
B+
Retailer 17
-
€2,215 EUR
View
Retailer 18
-
€2,235 EUR
View
Price last confirmed 32 days ago
B
Retailer 19
-
€3,167 EUR
View
Most Expensive
B
NZ Jewellers
2a0b8fc2-4073-4b2e-ae37-93bc25de2e8c · Nov 5
€3,790 EUR
$4,231 USD
View
19 more retailers have this diamond
Prices start from €1,298 EURSave up to €2,492 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
€1,298 EUR