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Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 2235951484

Certificate GIA 2235951484

Diamond specifications and retailer prices

From €4,386 EUR
$4,900 USD
As of November 1, 2026
Save €5,004 EUR (53%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €9,390 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235951484. Listed at 22 retailers as of October 30, 2026, with prices from €4,386 to €9,390, a €5,004 spread on the same certified stone. NZ Jewellers lists it at €9,390. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle44.08°
OriginNatural
Grading LabGIA
CertificateGIA 2235951484
Dimensions7.91 × 5.75 × 3.89 mm
L/W Ratio1.38
Top View
7.91 mm5.75 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2235951484
Side View
Table 65.0%Crown 44.08°Girdle: Slightly ThickPavilionCulet: NoneDepth 67.7%

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: €9,390 EUR|Low: €4,436 EUR|High: €9,390 EUR|Avg: €5,863 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
November 2, 2026
Retailer 11€4,436 EUR
Retailer 4€4,734 EUR
Retailer 13€4,734 EUR
Retailer 12€4,753 EUR
Retailer 3€5,086 EUR
Retailer 6€5,086 EUR
Retailer 14€5,086 EUR
Retailer 5€5,362 EUR
Retailer 2€5,386 EUR
Retailer 10€5,550 EUR
Retailer 8€5,773 EUR
Retailer 7€6,898 EUR
Retailer 9€8,315 EUR
NZ Jewellers€9,390 EUR

44 data points across 14 retailers

22 retailers€4,386 EUR to €9,390 EUR

B+
Cheapest Retailer
-
€4,386 EUR
$4,900 USD
B+
Retailer 2
-
€4,436 EUR
$4,956 USD
View
B
Retailer 3
-
€4,618 EUR
A$7,938 AUD
View
B
Retailer 4
-
€4,734 EUR
CA$7,346 CAD
View
B
Retailer 5
-
€4,734 EUR
$5,289 USD
View
B
Retailer 6
-
€4,753 EUR
$5,310 USD
View
B
Retailer 7
-
€5,086 EUR
$5,682 USD
View
B
Retailer 8
-
€5,086 EUR
$5,682 USD
View
B
Retailer 9
-
€5,086 EUR
$5,682 USD
View
B
Retailer 10
-
€5,362 EUR
$5,990 USD
View
B
Retailer 11
-
€5,386 EUR
£4,738 GBP
View
Retailer 12
-
€5,550 EUR
A$9,539 AUD
View
Price last confirmed 22 days ago
B
Retailer 13
-
€5,675 EUR
$6,340 USD
View
B
Retailer 14
-
€5,675 EUR
$6,340 USD
View
B
Retailer 15
-
€5,753 EUR
$6,427 USD
View
B
Retailer 16
-
€5,773 EUR
View
B
Retailer 17
-
€5,863 EUR
$6,550 USD
View
B
Retailer 18
-
€5,869 EUR
$6,557 USD
View
Retailer 19
-
€6,190 EUR
$6,916 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
€6,898 EUR
ZAR 124,500 ZAR
View
B
Retailer 21
-
€8,315 EUR
£7,315 GBP
View
Most Expensive
B
NZ Jewellers
ce8079b4-efe5-4bf1-8854-70654ab1cd25 · Oct 30
€9,390 EUR
$10,491 USD
View
21 more retailers have this diamond
Prices start from €4,386 EURSave up to €5,004 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 Radiant
€4,386 EUR