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Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2186651936

Certificate GIA 2186651936

Diamond specifications and retailer prices

From €3,109 EUR
As of November 6, 2026
Save €4,962 EUR (61%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €8,071 EUR at Diamond Quarter · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2186651936. Listed at 24 retailers as of November 5, 2026, with prices from €3,109 to €8,071, a €4,962 spread on the same certified stone. Diamond Quarter lists it at €8,071. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2186651936
Dimensions6.44 × 6.40 × 3.95 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.44 mm6.40 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2186651936
Side View
Table 61.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €5,049 EUR|Low: €2,994 EUR|High: €6,670 EUR|Avg: €4,284 EUR|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5€3,190 EUR
Retailer 6€3,460 EUR
Retailer 9€3,749 EUR
Retailer 8€4,030 EUR
Retailer 3€4,048 EUR
Retailer 7€4,171 EUR
Retailer 2€4,381 EUR
Retailer 1€5,049 EUR
Retailer 4€6,573 EUR

41 data points across 9 retailers

24 retailers€3,109 EUR to €8,071 EUR

B+
Cheapest Retailer
-
€3,109 EUR
B+
Retailer 2
-
€3,179 EUR
View
B+
Retailer 3
-
€3,190 EUR
View
B+
Retailer 4
-
€3,299 EUR
View
B+
Retailer 5
-
€3,460 EUR
View
Final sale: no returns
B+
Retailer 6
-
€3,564 EUR
View
B+
Retailer 7
-
€3,733 EUR
View
B+
Retailer 8
-
€3,749 EUR
View
B+
Retailer 9
-
€3,749 EUR
View
B+
Retailer 10
-
€3,968 EUR
View
B+
Retailer 11
-
€3,977 EUR
View
B+
Retailer 12
-
€4,048 EUR
View
Retailer 13
-
€4,171 EUR
View
Price last confirmed 28 days ago
B
Retailer 14
-
€4,223 EUR
View
B
Retailer 15
-
€4,223 EUR
View
B
Retailer 16
-
€4,326 EUR
View
B
Retailer 17
-
€4,366 EUR
View
B+
Retailer 18
-
€4,381 EUR
View
Retailer 19
-
€4,571 EUR
View
Price last confirmed 14 days ago
B
Retailer 20
-
€5,049 EUR
View
B
Retailer 21
-
€5,986 EUR
View
B
Retailer 22
-
€6,573 EUR
View
B
Retailer 23
-
€7,210 EUR
View
Most Expensive
B
Diamond Quarter
1.01SI1D21365E21N · Nov 5
€8,071 EUR
£7,133 GBP
View
23 more retailers have this diamond
Prices start from €3,109 EURSave up to €4,962 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.

B+
1.01ct Round
€3,109 EUR