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Round|Natural|GIA

1.01ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2566195319

Certificate GIA 2566195319

Diamond specifications and retailer prices

From €1,733 EUR
SGD 2,616 SGD
As of October 31, 2026
Save €1,191 EUR (41%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,924 EUR at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566195319. Listed at 11 retailers as of October 26, 2026, with prices from €1,733 to €2,924, a €1,191 spread on the same certified stone. Wholesale Diamonds Direct lists it at €2,924. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2566195319
Dimensions6.41 × 3.98 × 3.98 mm
L/W Ratio1.61
Culet sizeNone
Top View
6.41 mm3.98 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566195319
Side View
Table 58.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.9%

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: €2,511 EUR|Low: €1,733 EUR|High: €3,310 EUR|Avg: €2,244 EUR|-5.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
November 1, 2026
Retailer 9€1,733 EUR
Retailer 6€1,754 EUR
Retailer 5€1,772 EUR
Retailer 7€1,942 EUR
Retailer 2€1,945 EUR
Retailer 3€1,960 EUR
Retailer 4€2,256 EUR
Retailer 10€2,266 EUR
Retailer 1€2,511 EUR
Retailer 8€2,724 EUR
Wholesale Diamonds Direct€2,924 EUR

31 data points across 11 retailers

11 retailers€1,733 EUR to €2,924 EUR

A
Cheapest Retailer
-
€1,733 EUR
SGD 2,616 SGD
A
Retailer 2
-
€1,754 EUR
$1,960 USD
View
A
Retailer 3
-
€1,772 EUR
$1,980 USD
View
A
Retailer 4
-
€1,942 EUR
$2,170 USD
View
A
Retailer 5
-
€1,945 EUR
SGD 2,936 SGD
View
A
Retailer 6
-
€1,960 EUR
£1,724 GBP
View
B+
Retailer 7
-
€2,256 EUR
£1,985 GBP
View
B+
Retailer 8
-
€2,266 EUR
$2,532 USD
View
B+
Retailer 9
-
€2,511 EUR
View
B+
Retailer 10
-
€2,724 EUR
$3,043 USD
View
Most Expensive
B
Wholesale Diamonds Direct
593385792 · Oct 26
€2,924 EUR
$3,266 USD
View
10 more retailers have this diamond
Prices start from €1,733 EURSave up to €1,191 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
€1,733 EUR