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Round|Natural|GIA

1.01ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1242067609

Certificate GIA 1242067609

Diamond specifications and retailer prices

From €1,741 EUR
HK$15,200 HKD
As of November 1, 2026
Save €3,120 EUR (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €4,861 EUR at NZ Jewellers · As of October 30, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1242067609. Listed at 21 retailers as of October 30, 2026, with prices from €1,741 to €4,861, a €3,120 spread on the same certified stone. NZ Jewellers lists it at €4,861. 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
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1242067609
Dimensions6.32 × 6.36 × 3.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.32 mm6.36 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242067609
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: Very SmallDepth 62.8%

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 1
Current: €4,861 EUR|Low: €1,741 EUR|High: €4,861 EUR|Avg: €2,594 EUR|+1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 16€1,741 EUR
Retailer 14€1,856 EUR
Retailer 2€1,954 EUR
Retailer 3€1,995 EUR
Retailer 9€2,009 EUR
Retailer 10€2,039 EUR
Retailer 6€2,103 EUR
Retailer 15€2,103 EUR
Retailer 18€2,180 EUR
Retailer 19€2,227 EUR
Retailer 13€2,263 EUR
Retailer 7€2,320 EUR
Retailer 5€2,389 EUR
Retailer 12€2,579 EUR
Retailer 11€2,763 EUR
Retailer 4€2,858 EUR
Retailer 17€3,374 EUR
Retailer 8€3,499 EUR
Retailer 20€4,056 EUR
NZ Jewellers€4,861 EUR

24 data points across 20 retailers

21 retailers€1,741 EUR to €4,861 EUR

A
Cheapest Retailer
-
€1,741 EUR
HK$15,200 HKD
Retailer 2
-
€1,853 EUR
$2,070 USD
View
Price last confirmed 25 days ago
A
Retailer 3
-
€1,856 EUR
$2,073 USD
View
A
Retailer 4
-
€1,954 EUR
$2,183 USD
View
Final sale: no returns
A
Retailer 5
-
€1,995 EUR
View
A
Retailer 6
-
€2,009 EUR
$2,244 USD
View
A
Retailer 7
-
€2,039 EUR
$2,278 USD
View
A
Retailer 8
-
€2,103 EUR
$2,350 USD
View
A
Retailer 9
-
€2,103 EUR
$2,350 USD
View
B+
Retailer 10
-
€2,180 EUR
$2,436 USD
View
B+
Retailer 11
-
€2,227 EUR
£1,959 GBP
View
B+
Retailer 12
-
€2,263 EUR
£1,991 GBP
View
B+
Retailer 13
-
€2,320 EUR
$2,592 USD
View
Retailer 14
-
€2,323 EUR
SGD 3,507 SGD
View
Price last confirmed 18 days ago
B+
Retailer 15
-
€2,389 EUR
$2,669 USD
View
Retailer 16
-
€2,579 EUR
A$4,432 AUD
View
Price last confirmed 26 days ago
B
Retailer 17
-
€2,858 EUR
ZAR 51,588 ZAR
View
B
Retailer 18
-
€3,374 EUR
$3,770 USD
View
B
Retailer 19
-
€3,499 EUR
$3,909 USD
View
B
Retailer 20
-
€4,056 EUR
£3,568 GBP
View
Most Expensive
B
NZ Jewellers
36d5ead4-4ed7-4e5e-9781-9fbe99c4c602 · Oct 30
€4,861 EUR
$5,431 USD
View
20 more retailers have this diamond
Prices start from €1,741 EURSave up to €3,120 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
€1,741 EUR