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1.51ct H I1 Round Natural Diamond

EX • H/I1 • GIA 5513587675

Certificate GIA 5513587675

Diamond specifications and retailer prices

From €4,556 EUR
$5,110 USD
As of November 1, 2026
Save €5,423 EUR (54%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €9,979 EUR at NZ Jewellers · As of November 2, 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 H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 5513587675. Listed at 11 retailers as of November 1, 2026, with prices from €4,556 to €9,979, a €5,423 spread on the same certified stone. NZ Jewellers lists it at €9,979. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5513587675
Dimensions7.46 × 7.40 × 4.51 mm
L/W Ratio1.01
Star length55%
Lower girdle75%
Top View
7.46 mm7.40 mm1.51 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5513587675
Side View
Table 59.0%Crown 31.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 60.6%

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 1
Current: €9,979 EUR|Low: €4,556 EUR|High: €9,979 EUR|Avg: €6,032 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 1, 2026
Retailer 6€4,556 EUR
Retailer 8€4,715 EUR
Retailer 12€4,749 EUR
Retailer 7€5,406 EUR
Retailer 9€5,406 EUR
Retailer 11€5,406 EUR
Retailer 3€6,018 EUR
Retailer 4€6,018 EUR
Retailer 5€6,223 EUR
Retailer 10€6,237 EUR
Retailer 2€6,490 EUR
Retailer 13€7,114 EUR
NZ Jewellers€9,979 EUR

21 data points across 13 retailers

11 retailers€4,556 EUR to €9,979 EUR

B+
Cheapest Retailer
-
€4,556 EUR
$5,110 USD
B+
Retailer 2
-
€4,715 EUR
$5,288 USD
View
B
Retailer 3
-
€5,406 EUR
$6,063 USD
View
B
Retailer 4
-
€5,406 EUR
$6,063 USD
View
B
Retailer 5
-
€5,406 EUR
$6,063 USD
View
B
Retailer 6
-
€6,018 EUR
$6,750 USD
View
B
Retailer 7
-
€6,018 EUR
$6,750 USD
View
B
Retailer 8
-
€6,223 EUR
$6,980 USD
View
B
Retailer 9
-
€6,237 EUR
$6,996 USD
View
B
Retailer 10
-
€6,490 EUR
View
Most Expensive
B
NZ Jewellers
47719a08-0a63-4386-9ef9-de956c3aea11 · Nov 2
€9,979 EUR
$11,193 USD
View
10 more retailers have this diamond
Prices start from €4,556 EURSave up to €5,423 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+
1.51ct Round
€4,556 EUR