CaratHunter
Plans
Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1289093164

Certificate GIA 1289093164

Diamond specifications and retailer prices

From €1,402 EUR
As of November 6, 2026
Save €2,815 EUR (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,218 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1289093164. Listed at 16 retailers as of November 5, 2026, with prices from €1,402 to €4,218, a €2,815 spread on the same certified stone. NZ Jewellers lists it at €4,218. 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
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle33.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1289093164
Dimensions6.44 × 6.35 × 3.83 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.44 mm6.35 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1289093164
Side View
Table 62.0%Crown 33.5°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €4,218 EUR|Low: €1,402 EUR|High: €4,218 EUR|Avg: €2,001 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
November 6, 2026
Retailer 11€1,402 EUR
Retailer 4€1,427 EUR
Retailer 9€1,452 EUR
Retailer 5€1,566 EUR
Retailer 13€1,566 EUR
Retailer 10€1,638 EUR
Retailer 3€1,712 EUR
Retailer 12€1,808 EUR
Retailer 2€1,867 EUR
Retailer 6€2,037 EUR
Retailer 7€2,190 EUR
Retailer 8€3,020 EUR
NZ Jewellers€4,218 EUR

40 data points across 13 retailers

16 retailers€1,402 EUR to €4,218 EUR

B+
Cheapest Retailer
-
€1,402 EUR
B+
Retailer 2
-
€1,409 EUR
View
B+
Retailer 3
-
€1,427 EUR
View
B+
Retailer 4
-
€1,452 EUR
View
B+
Retailer 5
-
€1,470 EUR
View
B+
Retailer 6
-
€1,566 EUR
View
Retailer 7
-
€1,566 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€1,638 EUR
View
B+
Retailer 9
-
€1,712 EUR
View
B
Retailer 10
-
€1,808 EUR
View
B
Retailer 11
-
€1,867 EUR
View
B
Retailer 12
-
€2,037 EUR
View
B
Retailer 13
-
€2,190 EUR
View
B
Retailer 14
-
€2,480 EUR
View
B
Retailer 15
-
€3,020 EUR
View
Most Expensive
C
NZ Jewellers
f59eef37-bd43-4665-92ea-38679c8c9751 · Nov 5
€4,218 EUR
$4,734 USD
View
15 more retailers have this diamond
Prices start from €1,402 EURSave up to €2,815 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.

B+
1.00ct Round
€1,402 EUR