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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 €4,369 EUR
$4,900 USD
As of November 1, 2026
Save €4,985 EUR (53%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €9,354 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 €4,369 to €9,354, a €4,985 spread on the same certified stone. NZ Jewellers lists it at €9,354. 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
Colour
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: €9,354 EUR|Low: €4,419 EUR|High: €9,354 EUR|Avg: €5,840 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€4,419 EUR
Retailer 4€4,716 EUR
Retailer 13€4,716 EUR
Retailer 12€4,734 EUR
Retailer 3€5,066 EUR
Retailer 6€5,066 EUR
Retailer 14€5,066 EUR
Retailer 5€5,341 EUR
Retailer 7€5,365 EUR
Retailer 10€5,528 EUR
Retailer 2€5,769 EUR
Retailer 8€6,871 EUR
Retailer 9€8,283 EUR
NZ Jewellers€9,354 EUR

44 data points across 14 retailers

22 retailers€4,369 EUR to €9,354 EUR

B+
Cheapest Retailer
-
€4,369 EUR
$4,900 USD
B+
Retailer 2
-
€4,419 EUR
$4,956 USD
View
B
Retailer 3
-
€4,600 EUR
A$7,938 AUD
View
B
Retailer 4
-
€4,716 EUR
CA$7,346 CAD
View
B
Retailer 5
-
€4,716 EUR
$5,289 USD
View
B
Retailer 6
-
€4,734 EUR
$5,310 USD
View
B
Retailer 7
-
€5,066 EUR
$5,682 USD
View
B
Retailer 8
-
€5,066 EUR
$5,682 USD
View
B
Retailer 9
-
€5,066 EUR
$5,682 USD
View
B
Retailer 10
-
€5,341 EUR
$5,990 USD
View
B
Retailer 11
-
€5,365 EUR
£4,738 GBP
View
Retailer 12
-
€5,528 EUR
A$9,539 AUD
View
Price last confirmed 22 days ago
B
Retailer 13
-
€5,653 EUR
$6,340 USD
View
B
Retailer 14
-
€5,653 EUR
$6,340 USD
View
B
Retailer 15
-
€5,730 EUR
$6,427 USD
View
B
Retailer 16
-
€5,769 EUR
View
B
Retailer 17
-
€5,840 EUR
$6,550 USD
View
B
Retailer 18
-
€5,846 EUR
$6,557 USD
View
Retailer 19
-
€6,166 EUR
$6,916 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
€6,871 EUR
ZAR 124,500 ZAR
View
B
Retailer 21
-
€8,283 EUR
£7,315 GBP
View
Most Expensive
B
NZ Jewellers
ce8079b4-efe5-4bf1-8854-70654ab1cd25 · Oct 30
€9,354 EUR
$10,491 USD
View
21 more retailers have this diamond
Prices start from €4,369 EURSave up to €4,985 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
€4,369 EUR