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1.51ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1415840386

Certificate GIA 1415840386

Diamond specifications and retailer prices

From €4,914 EUR
$5,490 USD
As of November 1, 2026
Save €5,914 EUR (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €10,828 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 1415840386. Listed at 19 retailers as of October 30, 2026, with prices from €4,914 to €10,828, a €5,914 spread on the same certified stone. NZ Jewellers lists it at €10,828. 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
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1415840386
Dimensions7.35 × 7.34 × 4.49 mm
L/W Ratio1.00
Culet sizeNone
Top View
7.35 mm7.34 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1415840386
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.2%

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: €10,828 EUR|Low: €4,877 EUR|High: €11,249 EUR|Avg: €6,764 EUR|-3.7%
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 12€4,914 EUR
Retailer 16€4,972 EUR
Retailer 4€5,115 EUR
Retailer 5€5,414 EUR
Retailer 14€5,414 EUR
Retailer 17€5,774 EUR
Retailer 8€5,866 EUR
Retailer 15€5,956 EUR
Retailer 2€6,167 EUR
Retailer 6€6,436 EUR
Retailer 13€6,436 EUR
Retailer 7€6,651 EUR
Retailer 10€6,662 EUR
Retailer 9€6,768 EUR
Retailer 3€7,135 EUR
Retailer 11€9,022 EUR
NZ Jewellers€10,828 EUR

41 data points across 17 retailers

19 retailers€4,914 EUR to €10,828 EUR

B+
Cheapest Retailer
-
€4,914 EUR
$5,490 USD
B+
Retailer 2
-
€4,972 EUR
$5,555 USD
View
B+
Retailer 3
-
€5,115 EUR
$5,714 USD
View
B
Retailer 4
-
€5,312 EUR
A$9,131 AUD
View
Retailer 5
-
€5,364 EUR
$5,993 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
€5,414 EUR
$6,048 USD
View
Final sale: no returns
B
Retailer 7
-
€5,414 EUR
$6,049 USD
View
B
Retailer 8
-
€5,774 EUR
$6,451 USD
View
B
Retailer 9
-
€5,866 EUR
$6,553 USD
View
B
Retailer 10
-
€5,956 EUR
$6,654 USD
View
B
Retailer 11
-
€6,167 EUR
£5,425 GBP
View
B
Retailer 12
-
€6,436 EUR
$7,190 USD
View
B
Retailer 13
-
€6,436 EUR
$7,190 USD
View
B
Retailer 14
-
€6,651 EUR
$7,430 USD
View
B
Retailer 15
-
€6,662 EUR
View
B
Retailer 16
-
€6,768 EUR
$7,561 USD
View
Retailer 17
-
€7,135 EUR
$7,971 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
€9,022 EUR
£7,937 GBP
View
Most Expensive
B
NZ Jewellers
a0390c18-3dae-4db9-8e16-bdab1875caac · Oct 30
€10,828 EUR
$12,097 USD
View
18 more retailers have this diamond
Prices start from €4,914 EURSave up to €5,914 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
€4,914 EUR