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Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6562014697

Certificate GIA 6562014697

Diamond specifications and retailer prices

From €1,261 EUR
As of November 1, 2026
Save €1,034 EUR (45%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,115 EUR at NZ Jewellers · As of September 28, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562014697. Listed at 17 retailers as of November 1, 2026, with a 82% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6562014697
Dimensions6.39 × 6.43 × 3.91 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Indented Natural, Natural
Top View
6.39 mm6.43 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562014697
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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 1
Current: €1,670 EUR|Low: €1,249 EUR|High: €2,992 EUR|Avg: €1,891 EUR|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5€1,261 EUR
Retailer 4€1,329 EUR
Retailer 1€1,670 EUR
Retailer 8€1,687 EUR
Retailer 2€1,839 EUR
Retailer 6€2,073 EUR
Retailer 3€2,295 EUR
Retailer 7€2,971 EUR

42 data points across 8 retailers

17 retailers€1,261 EUR to €2,295 EUR

A
Cheapest Retailer
-
€1,261 EUR
A
Retailer 2
-
€1,329 EUR
View
B+
Retailer 3
-
€1,577 EUR
View
B+
Retailer 4
-
€1,581 EUR
View
B+
Retailer 5
-
€1,670 EUR
View
Retailer 6
-
€1,687 EUR
View
Price last confirmed 8 days ago
Retailer 7
-
€1,687 EUR
View
Price last confirmed 39 days ago
Retailer 8
-
€1,687 EUR
View
Price last confirmed 36 days ago
B+
Retailer 9
-
€1,693 EUR
View
Retailer 10
-
€1,756 EUR
View
Price last confirmed 10 days ago
B+
Retailer 11
-
€1,810 EUR
View
B+
Retailer 12
-
€1,839 EUR
View
Retailer 13
-
€1,946 EUR
View
Price last confirmed 38 days ago
B+
Retailer 14
-
€2,073 EUR
View
B+
Retailer 15
-
€2,295 EUR
View
Retailer 16
-
€2,971 EUR
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
8c673137-5a4a-4aef-a92f-25e2b4009292 · Sep 28
€4,115 EUR
$4,594 USD
View
Price last confirmed 39 days ago
16 more retailers have this diamond
Prices start from €1,261 EURSave up to €1,034 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
€1,261 EUR