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1.01ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6505172011

Shape and cutting style on the report: Round brilliant

Certificate GIA 6505172011

Diamond specifications and retailer prices

From €2,408 EUR
As of November 6, 2026
Save €3,822 EUR (61%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €6,230 EUR at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505172011. Listed at 22 retailers as of November 6, 2026, with prices from €2,408 to €6,230, a €3,822 spread on the same certified stone. Diamond Quarter lists it at €6,230. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6505172011
Dimensions6.43 × 6.39 × 4.01 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.43 mm6.39 mm1.01 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505172011
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: €3,418 EUR|Low: €2,408 EUR|High: €5,625 EUR|Avg: €3,421 EUR|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 4€2,408 EUR
Retailer 10€2,442 EUR
Retailer 2€2,949 EUR
Retailer 11€2,971 EUR
Retailer 3€3,068 EUR
Retailer 5€3,180 EUR
Retailer 6€3,403 EUR
Retailer 1€3,418 EUR
Retailer 9€3,546 EUR
Retailer 7€4,056 EUR
Retailer 8€5,542 EUR

29 data points across 11 retailers

22 retailers€2,408 EUR to €6,230 EUR

A
Cheapest Retailer
-
€2,408 EUR
B+
Retailer 2
-
€2,442 EUR
View
B+
Retailer 3
-
€2,949 EUR
View
B+
Retailer 4
-
€2,971 EUR
View
B+
Retailer 5
-
€3,068 EUR
View
Final sale: no returns
Retailer 6
-
€3,108 EUR
View
Price last confirmed 110 days ago
B+
Retailer 7
-
€3,180 EUR
View
B
Retailer 8
-
€3,184 EUR
View
B
Retailer 9
-
€3,324 EUR
View
Retailer 10
-
€3,324 EUR
View
Price last confirmed 9 days ago
B
Retailer 11
-
€3,403 EUR
View
B+
Retailer 12
-
€3,418 EUR
View
B
Retailer 13
-
€3,451 EUR
View
B
Retailer 14
-
€3,454 EUR
View
B
Retailer 15
-
€3,546 EUR
View
Retailer 16
-
€3,559 EUR
View
Price last confirmed 30 days ago
B
Retailer 17
-
€3,834 EUR
View
B
Retailer 18
-
€4,052 EUR
View
B
Retailer 19
-
€4,056 EUR
View
B
Retailer 20
-
€5,542 EUR
View
B
Retailer 21
-
€5,790 EUR
View
Most Expensive
B
Diamond Quarter
1.01SI1H6511B332N · Nov 6
€6,230 EUR
£5,477 GBP
View
21 more retailers have this diamond
Prices start from €2,408 EURSave up to €3,822 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
€2,408 EUR