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Round|Natural|GIA

1.01ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1423732075

Certificate GIA 1423732075

Diamond specifications and retailer prices

From €1,150 EUR
As of November 4, 2026
Save €2,112 EUR (65%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,263 EUR at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1423732075. Listed at 12 retailers as of November 4, 2026, with prices from €1,150 to €3,263, a €2,112 spread on the same certified stone. Helzberg Diamonds lists it at €3,263. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1423732075
Dimensions6.45 × 6.42 × 3.97 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
6.45 mm6.42 mm1.01 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1423732075
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €3,263 EUR|Low: €1,150 EUR|High: €3,327 EUR|Avg: €1,911 EUR|-1.9%
Helzberg Diamonds
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
November 4, 2026
Retailer 2€1,150 EUR
Retailer 16€1,154 EUR
Retailer 15€1,159 EUR
Retailer 14€1,370 EUR
Retailer 9€1,371 EUR
Retailer 5€1,454 EUR
Retailer 3€1,516 EUR
Retailer 11€1,646 EUR
Retailer 10€1,735 EUR
Retailer 4€1,818 EUR
Retailer 12€1,858 EUR
Retailer 8€2,114 EUR
Retailer 13€2,289 EUR
Retailer 6€2,341 EUR
Retailer 7€3,028 EUR
Helzberg Diamonds€3,263 EUR

31 data points across 16 retailers

12 retailers€1,150 EUR to €3,263 EUR

A
Cheapest Retailer
-
€1,150 EUR
A
Retailer 2
-
€1,154 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,159 EUR
View
A
Retailer 4
-
€1,370 EUR
View
A
Retailer 5
-
€1,371 EUR
View
Retailer 6
-
€1,454 EUR
View
Price last confirmed 27 days ago
Retailer 7
-
€1,516 EUR
View
Price last confirmed 27 days ago
A
Retailer 8
-
€1,646 EUR
View
A
Retailer 9
-
€1,735 EUR
View
A
Retailer 10
-
€1,858 EUR
View
A
Retailer 11
-
€2,289 EUR
View
Most Expensive
B+
Helzberg Diamonds
XZRLIKIGNHGLI · Nov 6
€3,263 EUR
$3,662 USD
View
11 more retailers have this diamond
Prices start from €1,150 EURSave up to €2,112 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
€1,150 EUR