Heart|Natural|GIA

1.00ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 6224165258

Certificate GIA 6224165258

Diamond specifications and retailer prices

From €1,374 EUR
As of November 6, 2026
Save €2,414 EUR (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,788 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6224165258. Listed at 14 retailers as of November 5, 2026, with prices from €1,374 to €3,788, a €2,414 spread on the same certified stone. NZ Jewellers lists it at €3,788. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6224165258
Dimensions6.12 × 6.36 × 3.22 mm
L/W Ratio1.04
Top View
6.12 mm6.36 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6224165258
Side View
Table 56.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 50.6%

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: €2,108 EUR|Low: €1,374 EUR|High: €2,753 EUR|Avg: €1,775 EUR|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9€1,374 EUR
Retailer 5€1,415 EUR
Retailer 7€1,519 EUR
Retailer 8€1,612 EUR
Retailer 6€1,625 EUR
Retailer 3€1,723 EUR
Retailer 2€1,895 EUR
Retailer 1€2,108 EUR
Retailer 4€2,720 EUR

45 data points across 9 retailers

14 retailers€1,374 EUR to €3,788 EUR

B+
Cheapest Retailer
-
€1,374 EUR
B+
Retailer 2
-
€1,415 EUR
View
B+
Retailer 3
-
€1,519 EUR
View
Retailer 4
-
€1,553 EUR
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€1,553 EUR
View
B+
Retailer 6
-
€1,612 EUR
View
B+
Retailer 7
-
€1,625 EUR
View
B
Retailer 8
-
€1,675 EUR
View
B+
Retailer 9
-
€1,723 EUR
View
B
Retailer 10
-
€1,792 EUR
View
B
Retailer 11
-
€1,895 EUR
View
B
Retailer 12
-
€2,108 EUR
View
B
Retailer 13
-
€2,720 EUR
View
Most Expensive
C
NZ Jewellers
20478dd3-fd83-414a-ae2f-ed155b99fa08 · Nov 5
€3,788 EUR
$4,229 USD
View
13 more retailers have this diamond
Prices start from €1,374 EURSave up to €2,414 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 Heart
€1,374 EUR