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Round|Natural|GIA

1.51ct N SI1 Round Natural Diamond

VG • N/SI1 • GIA 2225163808

Certificate GIA 2225163808

Diamond specifications and retailer prices

From €2,214 EUR
As of November 5, 2026
Save €2,941 EUR (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €5,155 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 N colour (tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2225163808. Listed at 9 retailers as of November 5, 2026, with prices from €2,214 to €5,155, a €2,941 spread on the same certified stone. NZ Jewellers lists it at €5,155. 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
N
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2225163808
Dimensions7.16 × 7.21 × 4.61 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Top View
7.16 mm7.21 mm1.51 ctN / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2225163808
Side View
Table 59.0%Crown 36°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 64.1%

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 5
Current: €5,155 EUR|Low: €1,637 EUR|High: €5,155 EUR|Avg: €2,786 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10€1,637 EUR
Retailer 9€2,214 EUR
Retailer 5€2,234 EUR
Retailer 7€2,234 EUR
Retailer 4€2,337 EUR
Retailer 6€2,578 EUR
Retailer 2€2,864 EUR
Retailer 3€3,010 EUR
Retailer 8€3,551 EUR
NZ Jewellers€5,155 EUR

21 data points across 10 retailers

9 retailers€2,214 EUR to €5,155 EUR

B+
Cheapest Retailer
-
€2,214 EUR
Retailer 2
-
€2,234 EUR
View
Price last confirmed 8 days ago
B+
Retailer 3
-
€2,234 EUR
View
B+
Retailer 4
-
€2,337 EUR
View
B
Retailer 5
-
€2,578 EUR
View
B
Retailer 6
-
€2,864 EUR
View
B
Retailer 7
-
€3,010 EUR
View
B
Retailer 8
-
€3,551 EUR
View
Most Expensive
C
NZ Jewellers
0d200bc3-f88b-48ea-9fd2-083b995f5b2c · Nov 5
€5,155 EUR
$5,786 USD
View
8 more retailers have this diamond
Prices start from €2,214 EURSave up to €2,941 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
€2,214 EUR