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Radiant|Natural|GIA

1.50ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 2567499446

Certificate GIA 2567499446

Diamond specifications and retailer prices

From £2,236 GBP
$2,996 USD
As of November 1, 2026
Save £3,197 GBP (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £5,433 GBP 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 2567499446. Listed at 21 retailers as of October 30, 2026, with prices from £2,236 to £5,433, a £3,197 spread on the same certified stone. NZ Jewellers lists it at £5,433. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2567499446
Dimensions7.58 × 5.61 × 3.81 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.58 mm5.61 mm1.50 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567499446
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.8%

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: £5,433 GBP|Low: £2,121 GBP|High: £5,504 GBP|Avg: £3,170 GBP|-1.3%
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
November 2, 2026
Retailer 19£2,236 GBP
Retailer 2£2,255 GBP
Retailer 6£2,299 GBP
Retailer 9£2,369 GBP
Retailer 7£2,373 GBP
Retailer 5£2,516 GBP
Retailer 16£2,642 GBP
Retailer 11£2,702 GBP
Retailer 8£2,705 GBP
Retailer 14£2,707 GBP
Retailer 18£2,754 GBP
Retailer 17£2,859 GBP
Retailer 13£3,040 GBP
Retailer 12£3,125 GBP
Retailer 4£3,203 GBP
Retailer 15£3,421 GBP
Retailer 3£3,833 GBP
Retailer 10£4,581 GBP
Retailer 20£5,215 GBP
NZ Jewellers£5,433 GBP

19 data points across 20 retailers

21 retailers£2,236 GBP to £5,433 GBP

A
Cheapest Retailer
-
£2,236 GBP
$2,996 USD
A
Retailer 2
-
£2,255 GBP
HK$23,600 HKD
View
A
Retailer 3
-
£2,299 GBP
$3,080 USD
View
A
Retailer 4
-
£2,369 GBP
$3,174 USD
View
A
Retailer 5
-
£2,373 GBP
$3,180 USD
View
A
Retailer 6
-
£2,516 GBP
$3,371 USD
View
A
Retailer 7
-
£2,630 GBP
A$5,422 AUD
View
A
Retailer 8
-
£2,642 GBP
$3,540 USD
View
Final sale: no returns
Retailer 9
-
£2,702 GBP
SGD 4,893 SGD
View
Price last confirmed 14 days ago
A
Retailer 10
-
£2,705 GBP
$3,625 USD
View
A
Retailer 11
-
£2,707 GBP
$3,628 USD
View
A
Retailer 12
-
£2,754 GBP
$3,690 USD
View
B+
Retailer 13
-
£2,859 GBP
View
B+
Retailer 14
-
£3,040 GBP
View
B+
Retailer 15
-
£3,203 GBP
$4,292 USD
View
Retailer 16
-
£3,392 GBP
A$6,992 AUD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
£3,421 GBP
€4,365 EUR
View
B
Retailer 18
-
£3,833 GBP
ZAR 82,964 ZAR
View
B
Retailer 19
-
£4,581 GBP
$6,138 USD
View
B
Retailer 20
-
£5,215 GBP
View
Most Expensive
B
NZ Jewellers
4385700f-a300-4bea-b203-c2c6447b4c60 · Oct 30
£5,433 GBP
$7,279 USD
View
20 more retailers have this diamond
Prices start from £2,236 GBPSave up to £3,197 GBP

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
£2,236 GBP