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Round|Natural|GIA

1.01ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1543277458

Certificate GIA 1543277458

Diamond specifications and retailer prices

From €2,189 EUR
As of November 6, 2026
Save €2,619 EUR (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €5,011 EUR at NZ Jewellers · As of September 28, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1543277458. Listed at 19 retailers as of November 2, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1543277458
Dimensions6.48 × 6.45 × 3.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
6.48 mm6.45 mm1.01 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543277458
Side View
Table 55.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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: €2,270 EUR|Low: €2,189 EUR|High: €4,860 EUR|Avg: €3,220 EUR|-3.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9€2,189 EUR
Retailer 1€2,270 EUR
Retailer 2€2,621 EUR
Retailer 6€2,745 EUR
Retailer 3€2,751 EUR
Retailer 5€2,957 EUR
Retailer 4€3,045 EUR
Retailer 7€3,345 EUR
Retailer 10€4,758 EUR
Retailer 8€4,808 EUR

27 data points across 10 retailers

19 retailers€2,189 EUR to €4,808 EUR

A
Cheapest Retailer
-
€2,189 EUR
A
Retailer 2
-
€2,270 EUR
View
A
Retailer 3
-
€2,621 EUR
View
A
Retailer 4
-
€2,653 EUR
View
Final sale: no returns
A
Retailer 5
-
€2,687 EUR
View
A
Retailer 6
-
€2,745 EUR
View
A
Retailer 7
-
€2,751 EUR
View
Retailer 8
-
€2,876 EUR
View
Price last confirmed 25 days ago
Retailer 9
-
€2,876 EUR
View
Price last confirmed 28 days ago
B+
Retailer 10
-
€2,904 EUR
View
B+
Retailer 11
-
€2,957 EUR
View
Retailer 12
-
€2,986 EUR
View
Price last confirmed 38 days ago
B+
Retailer 13
-
€3,003 EUR
View
B+
Retailer 14
-
€3,045 EUR
View
Retailer 15
-
€3,318 EUR
View
Price last confirmed 28 days ago
B+
Retailer 16
-
€3,345 EUR
View
Retailer 17
-
€4,758 EUR
View
Price last confirmed 9 days ago
B
Retailer 18
-
€4,808 EUR
View
Most Expensive
NZ Jewellers
228c5e72-83c5-4aa8-9d78-3df618f1de80 · Sep 28
€5,011 EUR
$5,624 USD
View
Price last confirmed 39 days ago
18 more retailers have this diamond
Prices start from €2,189 EURSave up to €2,619 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
€2,189 EUR