CaratHunter
Plans
Round|Natural|GIA

1.00ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6505785799

Certificate GIA 6505785799

Diamond specifications and retailer prices

From €1,345 EUR
As of November 5, 2026
Save €2,929 EUR (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,275 EUR at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6505785799. Listed at 19 retailers as of November 5, 2026, with prices from €1,345 to €4,275, a €2,929 spread on the same certified stone. NZ Jewellers lists it at €4,275. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6505785799
Dimensions6.50 × 6.44 × 3.87 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.50 mm6.44 mm1.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6505785799
Side View
Table 61.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 59.9%

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 5
Current: €4,275 EUR|Low: €1,345 EUR|High: €4,275 EUR|Avg: €2,059 EUR|+13.0%
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
November 6, 2026
Retailer 15€1,345 EUR
Retailer 2€1,403 EUR
Retailer 9€1,607 EUR
Retailer 4€1,618 EUR
Retailer 8€1,711 EUR
Retailer 3€1,752 EUR
Retailer 13€1,755 EUR
Retailer 7€1,810 EUR
Retailer 16€1,824 EUR
Retailer 5€1,834 EUR
Retailer 10€1,863 EUR
Retailer 11€1,892 EUR
Retailer 14€2,022 EUR
Retailer 12€2,380 EUR
Retailer 6€3,171 EUR
NZ Jewellers€4,275 EUR

26 data points across 16 retailers

19 retailers€1,345 EUR to €4,275 EUR

A
Cheapest Retailer
-
€1,345 EUR
A
Retailer 2
-
€1,403 EUR
View
A
Retailer 3
-
€1,607 EUR
View
A
Retailer 4
-
€1,618 EUR
View
Final sale: no returns
A
Retailer 5
-
€1,711 EUR
View
A
Retailer 6
-
€1,730 EUR
View
A
Retailer 7
-
€1,734 EUR
View
A
Retailer 8
-
€1,752 EUR
View
A
Retailer 9
-
€1,755 EUR
View
Retailer 10
-
€1,810 EUR
View
Price last confirmed 8 days ago
A
Retailer 11
-
€1,824 EUR
View
A
Retailer 12
-
€1,834 EUR
View
A
Retailer 13
-
€1,863 EUR
View
A
Retailer 14
-
€1,892 EUR
View
A
Retailer 15
-
€2,022 EUR
View
A
Retailer 16
-
€2,380 EUR
View
B
Retailer 17
-
€3,171 EUR
View
B
Retailer 18
-
€3,628 EUR
View
Most Expensive
B
NZ Jewellers
aae52e83-00e0-46ac-91c0-bee7bc8afd8e · Nov 5
€4,275 EUR
$4,798 USD
View
18 more retailers have this diamond
Prices start from €1,345 EURSave up to €2,929 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
€1,345 EUR