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Round|Natural|GIA

1.51ct H I1 Round Natural Diamond

EX • H/I1 • GIA 1445173076

Certificate GIA 1445173076

Diamond specifications and retailer prices

From €2,551 EUR
$2,861 USD
As of November 1, 2026
Save €2,457 EUR (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €5,008 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 1445173076. Listed at 8 retailers as of November 1, 2026, with prices from €2,551 to €5,008, a €2,457 spread on the same certified stone. NZ Jewellers lists it at €5,008. 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
FluorescenceVery Strong
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1445173076
Dimensions7.35 × 7.38 × 4.60 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Crystal, Cavity, Needle, Indented Natural, Pinpoint, Natural
Top View
7.35 mm7.38 mm1.51 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 1445173076
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°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 1
Current: €5,008 EUR|Low: €2,197 EUR|High: €5,703 EUR|Avg: €3,314 EUR|-12.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3€2,197 EUR
Retailer 6€2,551 EUR
Retailer 7€2,638 EUR
Retailer 5€2,874 EUR
Retailer 9€2,874 EUR
Retailer 4€2,985 EUR
Retailer 8€3,317 EUR
Retailer 2€3,350 EUR
Retailer 11€3,860 EUR
Retailer 10€3,895 EUR
NZ Jewellers€5,008 EUR

23 data points across 11 retailers

8 retailers€2,551 EUR to €5,008 EUR

A
Cheapest Retailer
-
€2,551 EUR
$2,861 USD
A
Retailer 2
-
€2,638 EUR
$2,959 USD
View
A
Retailer 3
-
€2,874 EUR
$3,224 USD
View
A
Retailer 4
-
€2,874 EUR
$3,224 USD
View
A
Retailer 5
-
€2,985 EUR
$3,348 USD
View
B+
Retailer 6
-
€3,317 EUR
$3,720 USD
View
B+
Retailer 7
-
€3,350 EUR
View
Most Expensive
B
NZ Jewellers
f418ff9e-7af0-47fa-bff9-45aa3460f485 · Nov 2
€5,008 EUR
$5,617 USD
View
7 more retailers have this diamond
Prices start from €2,551 EURSave up to €2,457 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
€2,551 EUR