Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5553372344

Certificate GIA 5553372344

Diamond specifications and retailer prices

From €2,155 EUR
As of November 5, 2026
Save €1,315 EUR (38%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: €5,034 EUR at NZ Jewellers · As of October 9, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553372344. Listed at 28 retailers as of November 5, 2026, with a 61% 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

1.00
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5553372344
Dimensions6.40 × 6.35 × 3.99 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle
Top View
6.40 mm6.35 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553372344
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €5,034 EUR|Low: €1,922 EUR|High: €5,858 EUR|Avg: €2,969 EUR
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
Retailer 21
Retailer 22
Retailer 23
November 6, 2026
Retailer 9€1,922 EUR
Retailer 8€2,011 EUR
Retailer 4€2,155 EUR
Retailer 15€2,194 EUR
Retailer 11€2,212 EUR
Retailer 12€2,265 EUR
Retailer 2€2,306 EUR
Retailer 22€2,378 EUR
Retailer 14€2,485 EUR
Retailer 19€2,521 EUR
Retailer 17€2,720 EUR
Retailer 5€2,784 EUR
Retailer 10€2,867 EUR
Retailer 20€2,923 EUR
Retailer 3€2,929 EUR
Retailer 6€2,929 EUR
Retailer 18€3,027 EUR
Retailer 21€3,115 EUR
Retailer 16€3,292 EUR
Retailer 13€3,371 EUR
Retailer 23€3,470 EUR
Retailer 7€4,611 EUR
NZ Jewellers€5,034 EUR

19 data points across 23 retailers

28 retailers€2,155 EUR to €3,470 EUR

Retailer 1
-
€1,922 EUR
Price last confirmed 9 days ago
Retailer 2
-
€2,011 EUR
View
Price last confirmed 8 days ago
A
Retailer 3
-
€2,155 EUR
View
Retailer 4
-
€2,194 EUR
View
Price last confirmed 16 days ago
Retailer 5
-
€2,212 EUR
View
Price last confirmed 11 days ago
Retailer 6
-
€2,265 EUR
View
Price last confirmed 10 days ago
A
Retailer 7
-
€2,306 EUR
View
A
Retailer 8
-
€2,378 EUR
View
Final sale: no returns
Retailer 9
-
€2,485 EUR
View
Price last confirmed 12 days ago
Retailer 10
-
€2,485 EUR
View
Price last confirmed 11 days ago
B+
Retailer 11
-
€2,521 EUR
View
Retailer 12
-
€2,580 EUR
View
Price last confirmed 12 days ago
Retailer 13
-
€2,617 EUR
View
Price last confirmed 25 days ago
Retailer 14
-
€2,617 EUR
View
Price last confirmed 28 days ago
B+
Retailer 15
-
€2,720 EUR
View
B+
Retailer 16
-
€2,784 EUR
View
Retailer 17
-
€2,867 EUR
View
Price last confirmed 10 days ago
B+
Retailer 18
-
€2,923 EUR
View
B+
Retailer 19
-
€2,929 EUR
View
B+
Retailer 20
-
€2,929 EUR
View
Retailer 21
-
€3,020 EUR
View
Price last confirmed 28 days ago
B+
Retailer 22
-
€3,027 EUR
View
B+
Retailer 23
-
€3,115 EUR
View
Retailer 24
-
€3,292 EUR
View
Price last confirmed 24 days ago
B+
Retailer 25
-
€3,371 EUR
View
B+
Retailer 26
-
€3,470 EUR
View
Retailer 27
-
€4,611 EUR
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
be185f9c-4bed-42f0-a803-0f81cb0430b9 · Oct 9
€5,034 EUR
$5,620 USD
View
Price last confirmed 28 days ago
27 more retailers have this diamond
Prices start from €2,155 EURSave up to €1,315 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
1.00ct Round
€2,155 EUR