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Radiant|Natural|GIA

1.50ct J SI1 Radiant Natural Diamond

GD • J/SI1 • GIA 2564209071

Certificate GIA 2564209071

Diamond specifications and retailer prices

From £2,448 GBP
As of November 6, 2026
Save £3,189 GBP (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £5,636 GBP at NZ Jewellers · As of November 5, 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 2564209071. Listed at 20 retailers as of November 5, 2026, with prices from £2,448 to £5,636, a £3,189 spread on the same certified stone. NZ Jewellers lists it at £5,636. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

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

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2564209071
Dimensions7.95 × 5.52 × 3.89 mm
L/W Ratio1.44
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cavity, Feather, Cloud, Indented Natural
Top View
7.95 mm5.52 mm1.50 ctJ / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2564209071
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.5%

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 6
Current: £5,636 GBP|Low: £2,439 GBP|High: £5,671 GBP|Avg: £3,507 GBP|-0.6%
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
November 7, 2026
Retailer 5£2,448 GBP
Retailer 11£2,569 GBP
Retailer 9£2,910 GBP
Retailer 16£2,936 GBP
Retailer 7£2,985 GBP
Retailer 13£3,080 GBP
Retailer 12£3,095 GBP
Retailer 3£3,235 GBP
Retailer 17£3,235 GBP
Retailer 8£3,254 GBP
Retailer 10£3,277 GBP
Retailer 6£3,346 GBP
Retailer 14£3,641 GBP
Retailer 4£3,733 GBP
Retailer 15£3,947 GBP
Retailer 2£5,125 GBP
NZ Jewellers£5,636 GBP

23 data points across 17 retailers

20 retailers£2,448 GBP to £5,636 GBP

B+
Cheapest Retailer
-
£2,448 GBP
A
Retailer 2
-
£2,569 GBP
View
B+
Retailer 3
-
£2,910 GBP
View
B+
Retailer 4
-
£2,936 GBP
View
B+
Retailer 5
-
£2,985 GBP
View
Final sale: no returns
B+
Retailer 6
-
£3,036 GBP
View
B+
Retailer 7
-
£3,037 GBP
View
B+
Retailer 8
-
£3,080 GBP
View
B+
Retailer 9
-
£3,095 GBP
View
B
Retailer 10
-
£3,235 GBP
View
B+
Retailer 11
-
£3,235 GBP
View
Retailer 12
-
£3,254 GBP
View
Price last confirmed 13 days ago
B+
Retailer 13
-
£3,277 GBP
View
B
Retailer 14
-
£3,346 GBP
View
Retailer 15
-
£3,555 GBP
View
Price last confirmed 29 days ago
B
Retailer 16
-
£3,641 GBP
View
B
Retailer 17
-
£3,733 GBP
View
B
Retailer 18
-
£3,947 GBP
View
B
Retailer 19
-
£5,125 GBP
View
Most Expensive
C
NZ Jewellers
ac19cfaf-3c00-4f46-9718-161d46db7f0f · Nov 5
£5,636 GBP
$7,544 USD
View
19 more retailers have this diamond
Prices start from £2,448 GBPSave up to £3,189 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
£2,448 GBP