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Radiant|Natural|GIA

1.50ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 1235223535

Certificate GIA 1235223535

Diamond specifications and retailer prices

From €3,193 EUR
$3,567 USD
As of November 2, 2026
Save €4,270 EUR (57%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €7,462 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct 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 1235223535. Listed at 26 retailers as of October 30, 2026, with prices from €3,193 to €7,462, a €4,270 spread on the same certified stone. NZ Jewellers lists it at €7,462. 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

1.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1235223535
Dimensions7.09 × 5.82 × 4.05 mm
L/W Ratio1.22
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
7.09 mm5.82 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1235223535
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

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: Nov 2
Current: €4,846 EUR|Low: €3,099 EUR|High: €6,904 EUR|Avg: €4,381 EUR|+2.1%
Retailer 1
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
November 2, 2026
Retailer 7€3,193 EUR
Retailer 2€3,334 EUR
Retailer 3€3,581 EUR
Retailer 5€3,880 EUR
Retailer 6€3,880 EUR
Retailer 11€3,944 EUR
Retailer 12€4,188 EUR
Retailer 8€4,259 EUR
Retailer 4€4,318 EUR
Retailer 13€4,449 EUR
Retailer 14€4,449 EUR
Retailer 15€4,601 EUR
Retailer 1€4,846 EUR
Retailer 10€5,265 EUR
Retailer 9€6,822 EUR

43 data points across 15 retailers

26 retailers€3,193 EUR to €7,462 EUR

A
Cheapest Retailer
-
€3,193 EUR
$3,567 USD
A
Retailer 2
-
€3,334 EUR
$3,725 USD
View
B+
Retailer 3
-
€3,381 EUR
$3,777 USD
View
B+
Retailer 4
-
€3,415 EUR
$3,815 USD
View
B+
Retailer 5
-
€3,422 EUR
$3,824 USD
View
B+
Retailer 6
-
€3,544 EUR
A$6,091 AUD
View
B+
Retailer 7
-
€3,581 EUR
$4,001 USD
View
Final sale: no returns
B+
Retailer 8
-
€3,645 EUR
$4,072 USD
View
B+
Retailer 9
-
€3,683 EUR
$4,115 USD
View
B+
Retailer 10
-
€3,880 EUR
$4,335 USD
View
B+
Retailer 11
-
€3,880 EUR
$4,335 USD
View
B+
Retailer 12
-
€3,880 EUR
$4,335 USD
View
B+
Retailer 13
-
€3,944 EUR
$4,406 USD
View
B+
Retailer 14
-
€4,188 EUR
$4,679 USD
View
B+
Retailer 15
-
€4,259 EUR
£3,747 GBP
View
Retailer 16
-
€4,318 EUR
A$7,421 AUD
View
Price last confirmed 23 days ago
B
Retailer 17
-
€4,449 EUR
$4,970 USD
View
B
Retailer 18
-
€4,449 EUR
$4,970 USD
View
B
Retailer 19
-
€4,450 EUR
$4,971 USD
View
B
Retailer 20
-
€4,477 EUR
$5,002 USD
View
B
Retailer 21
-
€4,601 EUR
$5,140 USD
View
Retailer 22
-
€4,730 EUR
$5,284 USD
View
Price last confirmed 10 days ago
B+
Retailer 23
-
€4,846 EUR
View
B
Retailer 24
-
€5,265 EUR
ZAR 95,021 ZAR
View
B
Retailer 25
-
€6,822 EUR
£6,001 GBP
View
Most Expensive
B
NZ Jewellers
5656a498-0476-440e-ad80-96e46112e2e9 · Oct 30
€7,462 EUR
$8,337 USD
View
25 more retailers have this diamond
Prices start from €3,193 EURSave up to €4,270 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
1.50ct Radiant
€3,193 EUR