Radiant|Natural|GIA

1.50ct I SI1 Radiant Natural Diamond

ID • I/SI1 • GIA 2567450930

Certificate GIA 2567450930

Diamond specifications and retailer prices

From €3,688 EUR
$4,120 USD
As of November 1, 2026
Save €4,348 EUR (54%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €8,538 EUR at NZ Jewellers · As of October 14, 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 I 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 2567450930. Listed at 20 retailers as of October 29, 2026, with a 118% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567450930
Dimensions7.43 × 5.68 × 3.95 mm
L/W Ratio1.31
Girdle conditionPolished
Top View
7.43 mm5.68 mm1.50 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567450930
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.4%

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 1
Current: €8,538 EUR|Low: €3,563 EUR|High: €8,538 EUR|Avg: €5,079 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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 1, 2026
Retailer 13€3,688 EUR
Retailer 19€3,689 EUR
Retailer 7€3,926 EUR
Retailer 6€4,056 EUR
Retailer 4€4,111 EUR
Retailer 16€4,142 EUR
Retailer 11€4,196 EUR
Retailer 10€4,274 EUR
Retailer 9€4,327 EUR
Retailer 8€4,391 EUR
Retailer 2€4,449 EUR
Retailer 12€4,566 EUR
Retailer 17€4,589 EUR
Retailer 15€4,762 EUR
Retailer 21€4,812 EUR
Retailer 14€5,151 EUR
Retailer 20€5,592 EUR
Retailer 18€6,169 EUR
Retailer 5€7,609 EUR
Retailer 3€8,036 EUR
NZ Jewellers€8,538 EUR

17 data points across 21 retailers

20 retailers€3,688 EUR to €8,036 EUR

A
Cheapest Retailer
-
€3,688 EUR
$4,120 USD
A
Retailer 2
-
€3,689 EUR
HK$32,200 HKD
View
A
Retailer 3
-
€3,926 EUR
$4,386 USD
View
A
Retailer 4
-
€4,056 EUR
$4,531 USD
View
A
Retailer 5
-
€4,111 EUR
$4,593 USD
View
A
Retailer 6
-
€4,142 EUR
View
A
Retailer 7
-
€4,196 EUR
$4,688 USD
View
Final sale: no returns
A
Retailer 8
-
€4,274 EUR
$4,775 USD
View
A
Retailer 9
-
€4,327 EUR
A$7,437 AUD
View
A
Retailer 10
-
€4,391 EUR
$4,905 USD
View
A
Retailer 11
-
€4,449 EUR
$4,970 USD
View
Retailer 12
-
€4,566 EUR
SGD 6,893 SGD
View
Price last confirmed 16 days ago
A
Retailer 13
-
€4,589 EUR
£4,037 GBP
View
A
Retailer 14
-
€4,762 EUR
£4,189 GBP
View
A
Retailer 15
-
€4,812 EUR
$5,376 USD
View
B+
Retailer 16
-
€5,592 EUR
View
B+
Retailer 17
-
€6,169 EUR
ZAR 111,341 ZAR
View
B
Retailer 18
-
€7,609 EUR
$8,501 USD
View
B
Retailer 19
-
€8,036 EUR
£7,069 GBP
View
Most Expensive
NZ Jewellers
76fc132b-6cf7-488f-ba27-598bdc682ed1 · Oct 14
€8,538 EUR
$9,539 USD
View
Price last confirmed 18 days ago
19 more retailers have this diamond
Prices start from €3,688 EURSave up to €4,348 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
€3,688 EUR