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Round|Natural|GIA

1.00ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 6412359992

Certificate GIA 6412359992

Diamond specifications and retailer prices

From €1,737 EUR
As of October 31, 2026
Save €3,254 EUR (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,991 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6412359992. Listed at 19 retailers as of October 31, 2026, with prices from €1,737 to €4,991, a €3,254 spread on the same certified stone. NZ Jewellers lists it at €4,991. 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
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6412359992
Dimensions6.25 × 6.16 × 4.01 mm
L/W Ratio1.01
Top View
6.25 mm6.16 mm1.00 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6412359992
Side View
Table 58.0%Crown 38°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 64.7%

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: Oct 31
Current: €2,221 EUR|Low: €1,733 EUR|High: €4,233 EUR|Avg: €2,482 EUR|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7€1,737 EUR
Retailer 8€1,744 EUR
Retailer 9€2,203 EUR
Retailer 6€2,209 EUR
Retailer 1€2,221 EUR
Retailer 2€2,431 EUR
Retailer 3€2,512 EUR
Retailer 5€2,700 EUR
Retailer 4€4,171 EUR

33 data points across 9 retailers

19 retailers€1,737 EUR to €4,991 EUR

A
Cheapest Retailer
-
€1,737 EUR
A
Retailer 2
-
€1,744 EUR
View
B+
Retailer 3
-
€2,112 EUR
View
B+
Retailer 4
-
€2,203 EUR
View
Final sale: no returns
B+
Retailer 5
-
€2,209 EUR
View
B+
Retailer 6
-
€2,221 EUR
View
Retailer 7
-
€2,260 EUR
View
Price last confirmed 109 days ago
Retailer 8
-
€2,388 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€2,388 EUR
View
B+
Retailer 10
-
€2,431 EUR
View
B+
Retailer 11
-
€2,480 EUR
View
B+
Retailer 12
-
€2,512 EUR
View
B+
Retailer 13
-
€2,512 EUR
View
B
Retailer 14
-
€2,700 EUR
View
B
Retailer 15
-
€2,755 EUR
View
B
Retailer 16
-
€3,340 EUR
View
B
Retailer 17
-
€4,171 EUR
View
C
Retailer 18
-
€4,562 EUR
View
Most Expensive
C
NZ Jewellers
9b80595b-a9cd-4fb4-99e6-9398ee5f40ac · Nov 5
€4,991 EUR
$5,602 USD
View
18 more retailers have this diamond
Prices start from €1,737 EURSave up to €3,254 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
€1,737 EUR