Round|Natural|GIA

1.00ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 6421088086

Certificate GIA 6421088086

Diamond specifications and retailer prices

From €1,490 EUR
As of November 6, 2026
Save €2,693 EUR (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,184 EUR at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6421088086. Listed at 18 retailers as of November 6, 2026, with prices from €1,490 to €4,184, a €2,693 spread on the same certified stone. NZ Jewellers lists it at €4,184. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6421088086
Dimensions6.30 × 6.21 × 4.01 mm
L/W Ratio1.01
Top View
6.30 mm6.21 mm1.00 ctF / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6421088086
Side View
Table 56.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.1%

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 6
Current: €4,184 EUR|Low: €1,467 EUR|High: €4,274 EUR|Avg: €2,195 EUR|-2.1%
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
November 7, 2026
Retailer 15€1,490 EUR
Retailer 16€1,607 EUR
Retailer 4€1,807 EUR
Retailer 11€1,809 EUR
Retailer 7€1,847 EUR
Retailer 8€1,895 EUR
Retailer 6€1,988 EUR
Retailer 9€2,001 EUR
Retailer 18€2,001 EUR
Retailer 10€2,018 EUR
Retailer 12€2,066 EUR
Retailer 5€2,093 EUR
Retailer 17€2,125 EUR
Retailer 2€2,161 EUR
Retailer 3€2,309 EUR
Retailer 13€2,481 EUR
Retailer 14€3,506 EUR
NZ Jewellers€4,184 EUR

32 data points across 18 retailers

18 retailers€1,490 EUR to €4,184 EUR

A
Cheapest Retailer
-
€1,490 EUR
A
Retailer 2
-
€1,607 EUR
View
A
Retailer 3
-
€1,807 EUR
View
A
Retailer 4
-
€1,809 EUR
View
B+
Retailer 5
-
€1,847 EUR
View
Final sale: no returns
A
Retailer 6
-
€1,895 EUR
View
B+
Retailer 7
-
€1,988 EUR
View
Retailer 8
-
€2,001 EUR
View
Price last confirmed 9 days ago
A
Retailer 9
-
€2,001 EUR
View
A
Retailer 10
-
€2,066 EUR
View
B+
Retailer 11
-
€2,093 EUR
View
A
Retailer 12
-
€2,125 EUR
View
A
Retailer 13
-
€2,161 EUR
View
B+
Retailer 14
-
€2,309 EUR
View
B+
Retailer 15
-
€2,481 EUR
View
B
Retailer 16
-
€3,506 EUR
View
B
Retailer 17
-
€4,094 EUR
View
Most Expensive
B
NZ Jewellers
bed3291e-ec80-4058-af36-13a7973dc738 · Nov 7
€4,184 EUR
$4,671 USD
View
17 more retailers have this diamond
Prices start from €1,490 EURSave up to €2,693 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
€1,490 EUR