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Round|Natural|GIA

1.51ct H I1 Round Natural Diamond

GD • H/I1 • GIA 6435544226

Certificate GIA 6435544226

Diamond specifications and retailer prices

From €2,491 EUR
₹266,091 INR
As of November 2, 2026
Save €3,502 EUR (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €5,993 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 standard cut grade and certified by GIA 6435544226. Listed at 9 retailers as of November 2, 2026, with prices from €2,491 to €5,993, a €3,502 spread on the same certified stone. NZ Jewellers lists it at €5,993. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
H
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6435544226
Dimensions7.08 × 7.01 × 4.64 mm
L/W Ratio1.01
Top View
7.08 mm7.01 mm1.51 ctH / I1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6435544226
Side View
Table 57.0%Crown 39°Girdle: STK-VTKPavilion 40.4°Culet: NoneDepth 65.9%

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 2
Current: €5,993 EUR|Low: €2,486 EUR|High: €5,993 EUR|Avg: €3,633 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2€2,491 EUR
Retailer 4€2,511 EUR
Retailer 5€3,030 EUR
Retailer 7€3,440 EUR
Retailer 9€3,440 EUR
Retailer 6€3,573 EUR
Retailer 8€3,969 EUR
Retailer 3€4,010 EUR
NZ Jewellers€5,993 EUR

43 data points across 9 retailers

9 retailers€2,491 EUR to €5,993 EUR

B+
Cheapest Retailer
-
€2,491 EUR
₹266,091 INR
B+
Retailer 2
-
€2,511 EUR
HK$22,000 HKD
View
B+
Retailer 3
-
€3,030 EUR
$3,398 USD
View
B+
Retailer 4
-
€3,440 EUR
$3,858 USD
View
B+
Retailer 5
-
€3,440 EUR
$3,858 USD
View
B+
Retailer 6
-
€3,573 EUR
$4,007 USD
View
B
Retailer 7
-
€3,969 EUR
$4,452 USD
View
B
Retailer 8
-
€4,010 EUR
View
Most Expensive
C
NZ Jewellers
b94e92eb-89ab-415c-8dca-757e858a274f · Nov 2
€5,993 EUR
$6,722 USD
View
8 more retailers have this diamond
Prices start from €2,491 EURSave up to €3,502 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
€2,491 EUR