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1.01ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2564717890

Certificate GIA 2564717890

Diamond specifications and retailer prices

From €1,099 EUR
As of November 4, 2026
Save €2,643 EUR (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,742 EUR at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564717890. Listed at 13 retailers as of November 4, 2026, with prices from €1,099 to €3,742, a €2,643 spread on the same certified stone. Helzberg Diamonds lists it at €3,742. 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

1.01
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2564717890
Dimensions6.38 × 6.41 × 4.01 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.38 mm6.41 mm1.01 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564717890
Side View
Table 55.0%Crown 34.5°Girdle: THN-STKPavilion 41°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 4
Current: €3,742 EUR|Low: €1,099 EUR|High: €3,845 EUR|Avg: €2,701 EUR|-2.7%
Helzberg Diamonds
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 6, 2026
Retailer 3€1,099 EUR
Retailer 5€2,198 EUR
Retailer 9€2,226 EUR
Retailer 4€2,245 EUR
Retailer 7€2,314 EUR
Retailer 12€2,370 EUR
Retailer 10€2,561 EUR
Retailer 11€2,671 EUR
Retailer 6€2,730 EUR
Retailer 13€2,823 EUR
Retailer 8€2,854 EUR
Retailer 2€3,530 EUR
Helzberg Diamonds€3,742 EUR

13 data points across 13 retailers

13 retailers€1,099 EUR to €3,742 EUR

A
Cheapest Retailer
-
€1,099 EUR
A
Retailer 2
-
€2,198 EUR
View
A
Retailer 3
-
€2,226 EUR
View
A
Retailer 4
-
€2,245 EUR
View
A
Retailer 5
-
€2,314 EUR
View
B+
Retailer 6
-
€2,370 EUR
View
B+
Retailer 7
-
€2,561 EUR
View
B+
Retailer 8
-
€2,671 EUR
View
B+
Retailer 9
-
€2,730 EUR
View
B+
Retailer 10
-
€2,823 EUR
View
B+
Retailer 11
-
€2,854 EUR
View
B
Retailer 12
-
€3,530 EUR
View
Most Expensive
B
Helzberg Diamonds
XZRILMKNHNOPG · Nov 6
€3,742 EUR
$4,200 USD
View
12 more retailers have this diamond
Prices start from €1,099 EURSave up to €2,643 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
1.01ct Round
€1,099 EUR