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Round|Natural|GIA

1.01ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 5423778751

Certificate GIA 5423778751

Diamond specifications and retailer prices

From €1,786 EUR
As of November 6, 2026
Save €2,959 EUR (62%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,745 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 5423778751. Listed at 17 retailers as of November 5, 2026, with prices from €1,786 to €4,745, a €2,959 spread on the same certified stone. NZ Jewellers lists it at €4,745. 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

1.01
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5423778751
Dimensions6.30 × 6.21 × 4.04 mm
L/W Ratio1.01
Top View
6.30 mm6.21 mm1.01 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5423778751
Side View
Table 57.0%Crown 37.5°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 64.5%

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: €2,388 EUR|Low: €1,634 EUR|High: €4,024 EUR|Avg: €2,441 EUR|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8€1,786 EUR
Retailer 6€1,898 EUR
Retailer 5€1,902 EUR
Retailer 7€2,151 EUR
Retailer 1€2,388 EUR
Retailer 3€2,636 EUR
Retailer 2€2,687 EUR
Retailer 4€3,966 EUR

43 data points across 8 retailers

17 retailers€1,786 EUR to €4,745 EUR

A
Cheapest Retailer
-
€1,786 EUR
A
Retailer 2
-
€1,857 EUR
View
A
Retailer 3
-
€1,858 EUR
View
B+
Retailer 4
-
€1,898 EUR
View
Final sale: no returns
A
Retailer 5
-
€1,902 EUR
View
B+
Retailer 6
-
€1,937 EUR
View
B+
Retailer 7
-
€2,001 EUR
View
Retailer 8
-
€2,056 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€2,056 EUR
View
B+
Retailer 10
-
€2,151 EUR
View
B+
Retailer 11
-
€2,245 EUR
View
B+
Retailer 12
-
€2,373 EUR
View
B+
Retailer 13
-
€2,388 EUR
View
B+
Retailer 14
-
€2,636 EUR
View
B
Retailer 15
-
€2,687 EUR
View
B
Retailer 16
-
€3,966 EUR
View
Most Expensive
C
NZ Jewellers
f8e3cf37-27e0-46fc-bfdd-170f4672ccd9 · Nov 5
€4,745 EUR
$5,326 USD
View
16 more retailers have this diamond
Prices start from €1,786 EURSave up to €2,959 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
€1,786 EUR