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Round|Natural|GIA

1.00ct E SI2 Round Natural Diamond

VG • E/SI2 • GIA 6431284794

Certificate GIA 6431284794

Diamond specifications and retailer prices

From €1,683 EUR
₹179,093 INR
As of October 30, 2026
Save €3,173 EUR (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,856 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 6431284794. Listed at 19 retailers as of October 30, 2026, with prices from €1,683 to €4,856, a €3,173 spread on the same certified stone. NZ Jewellers lists it at €4,856. 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
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6431284794
Dimensions6.31 × 6.25 × 4.01 mm
L/W Ratio1.01
Top View
6.31 mm6.25 mm1.00 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6431284794
Side View
Table 56.0%Crown 38°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.8%

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 30
Current: €1,683 EUR|Low: €1,605 EUR|High: €4,118 EUR|Avg: €2,261 EUR|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 1€1,683 EUR
Retailer 2€1,684 EUR
Retailer 7€2,027 EUR
Retailer 3€2,056 EUR
Retailer 8€2,080 EUR
Retailer 9€2,144 EUR
Retailer 10€2,430 EUR
Retailer 4€2,468 EUR
Retailer 6€2,610 EUR
Retailer 5€4,091 EUR

32 data points across 10 retailers

19 retailers€1,683 EUR to €4,856 EUR

A
Cheapest Retailer
-
€1,683 EUR
₹179,093 INR
A
Retailer 2
-
€1,684 EUR
HK$14,700 HKD
View
Retailer 3
-
€2,027 EUR
$2,265 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
€2,055 EUR
$2,296 USD
View
A
Retailer 5
-
€2,056 EUR
£1,809 GBP
View
A
Retailer 6
-
€2,058 EUR
$2,299 USD
View
A
Retailer 7
-
€2,080 EUR
$2,324 USD
View
B+
Retailer 8
-
€2,144 EUR
$2,395 USD
View
Final sale: no returns
B+
Retailer 9
-
€2,323 EUR
$2,595 USD
View
B+
Retailer 10
-
€2,356 EUR
SGD 3,557 SGD
View
B+
Retailer 11
-
€2,430 EUR
$2,715 USD
View
A
Retailer 12
-
€2,468 EUR
£2,171 GBP
View
B+
Retailer 13
-
€2,513 EUR
$2,807 USD
View
B+
Retailer 14
-
€2,610 EUR
View
B+
Retailer 15
-
€2,680 EUR
$2,994 USD
View
B
Retailer 16
-
€4,009 EUR
$4,479 USD
View
B
Retailer 17
-
€4,091 EUR
£3,599 GBP
View
B
Retailer 18
-
€4,542 EUR
£3,996 GBP
View
Most Expensive
B
NZ Jewellers
4b1c4dee-f491-49bd-a799-7142ec04355b · Oct 30
€4,856 EUR
$5,425 USD
View
18 more retailers have this diamond
Prices start from €1,683 EURSave up to €3,173 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
€1,683 EUR