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1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1246015618

Certificate GIA 1246015618

Diamond specifications and retailer prices

From €3,311 EUR
$3,700 USD
As of October 30, 2026
Save €5,102 EUR (61%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €8,413 EUR at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1246015618. Listed at 17 retailers as of October 30, 2026, with prices from €3,311 to €8,413, a €5,102 spread on the same certified stone. NZ Jewellers lists it at €8,413. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.5°
OriginNatural
Grading LabGIA
CertificateGIA 1246015618
Dimensions7.27 × 7.31 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.27 mm7.31 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1246015618
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilionCulet: 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: Oct 30
Current: €8,413 EUR|Low: €3,311 EUR|High: €8,413 EUR|Avg: €5,050 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 4€3,311 EUR
Retailer 5€3,974 EUR
Retailer 12€4,032 EUR
Retailer 6€4,108 EUR
Retailer 14€4,272 EUR
Retailer 15€4,357 EUR
Retailer 8€4,557 EUR
Retailer 13€4,557 EUR
Retailer 16€4,557 EUR
Retailer 3€4,801 EUR
Retailer 2€4,875 EUR
Retailer 9€5,259 EUR
Retailer 7€5,550 EUR
Retailer 10€5,668 EUR
Retailer 17€5,679 EUR
Retailer 11€8,055 EUR
NZ Jewellers€8,413 EUR

20 data points across 17 retailers

17 retailers€3,311 EUR to €8,413 EUR

A
Cheapest Retailer
-
€3,311 EUR
$3,700 USD
B+
Retailer 2
-
€3,974 EUR
$4,440 USD
View
B+
Retailer 3
-
€4,032 EUR
$4,505 USD
View
B+
Retailer 4
-
€4,108 EUR
$4,589 USD
View
B+
Retailer 5
-
€4,272 EUR
CA$6,629 CAD
View
B+
Retailer 6
-
€4,357 EUR
$4,868 USD
View
B
Retailer 7
-
€4,557 EUR
$5,091 USD
View
B
Retailer 8
-
€4,557 EUR
$5,091 USD
View
B
Retailer 9
-
€4,557 EUR
$5,091 USD
View
B
Retailer 10
-
€4,801 EUR
$5,364 USD
View
B
Retailer 11
-
€4,875 EUR
£4,289 GBP
View
B
Retailer 12
-
€5,259 EUR
$5,875 USD
View
Retailer 13
-
€5,550 EUR
$6,200 USD
View
Price last confirmed 19 days ago
B
Retailer 14
-
€5,668 EUR
View
B
Retailer 15
-
€5,679 EUR
$6,345 USD
View
B
Retailer 16
-
€8,055 EUR
£7,086 GBP
View
Most Expensive
C
NZ Jewellers
539454d3-ef7b-4ddb-ab23-0a64fd815bbf · Oct 30
€8,413 EUR
$9,399 USD
View
16 more retailers have this diamond
Prices start from €3,311 EURSave up to €5,102 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
€3,311 EUR