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Round|Natural|GIA

1.51ct K I1 Round Natural Diamond

EX • K/I1 • GIA 6422460858

Certificate GIA 6422460858

Diamond specifications and retailer prices

From €2,611 EUR
As of November 6, 2026
Save €3,492 EUR (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €6,103 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6422460858. Listed at 8 retailers as of November 5, 2026, with prices from €2,611 to €6,103, a €3,492 spread on the same certified stone. NZ Jewellers lists it at €6,103. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6422460858
Dimensions7.33 × 7.30 × 4.57 mm
L/W Ratio1.00
Top View
7.33 mm7.30 mm1.51 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6422460858
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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 6
Current: €6,103 EUR|Low: €2,588 EUR|High: €6,103 EUR|Avg: €3,605 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 5, 2026
Retailer 7€2,611 EUR
Retailer 6€2,731 EUR
Retailer 3€2,817 EUR
Retailer 12€2,850 EUR
Retailer 9€3,174 EUR
Retailer 11€3,174 EUR
Retailer 8€3,296 EUR
Retailer 5€3,346 EUR
Retailer 10€3,662 EUR
Retailer 2€3,934 EUR
Retailer 13€4,168 EUR
Retailer 4€4,954 EUR
NZ Jewellers€6,103 EUR

24 data points across 13 retailers

8 retailers€2,611 EUR to €6,103 EUR

B+
Cheapest Retailer
-
€2,611 EUR
A
Retailer 2
-
€2,731 EUR
View
Retailer 3
-
€3,174 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€3,174 EUR
View
B+
Retailer 5
-
€3,296 EUR
View
B
Retailer 6
-
€3,662 EUR
View
B
Retailer 7
-
€3,934 EUR
View
Most Expensive
C
NZ Jewellers
56c14851-5019-4e7f-a5c6-c9a71134b5aa · Nov 5
€6,103 EUR
$6,850 USD
View
7 more retailers have this diamond
Prices start from €2,611 EURSave up to €3,492 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
1.51ct Round
€2,611 EUR