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Radiant|Natural|GIA

1.50ct J SI2 Radiant Natural Diamond

ID • J/SI2 • GIA 7493594555

Certificate GIA 7493594555

Diamond specifications and retailer prices

From £3,061 GBP
$4,102 USD
As of October 31, 2026
Save £3,823 GBP (56%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £6,884 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7493594555. Listed at 17 retailers as of October 30, 2026, with prices from £3,061 to £6,884, a £3,823 spread on the same certified stone. NZ Jewellers lists it at £6,884. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7493594555
Dimensions7.83 × 6.01 × 4.17 mm
L/W Ratio1.30
Cert comments
Clarity grade is based on clouds that are not shown.
Top View
7.83 mm6.01 mm1.50 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7493594555
Side View
Table 68.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 69.4%

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: Oct 31
Current: £6,884 GBP|Low: £3,061 GBP|High: £6,884 GBP|Avg: £4,325 GBP
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
November 1, 2026
Retailer 5£3,061 GBP
Retailer 8£3,292 GBP
Retailer 3£3,442 GBP
Retailer 10£3,729 GBP
Retailer 11£3,729 GBP
Retailer 13£3,729 GBP
Retailer 4£3,923 GBP
Retailer 7£4,016 GBP
Retailer 2£4,069 GBP
Retailer 12£4,303 GBP
Retailer 9£4,659 GBP
Retailer 6£6,555 GBP
NZ Jewellers£6,884 GBP

44 data points across 13 retailers

17 retailers£3,061 GBP to £6,884 GBP

B+
Cheapest Retailer
-
£3,061 GBP
$4,102 USD
B+
Retailer 2
-
£3,252 GBP
$4,357 USD
View
B+
Retailer 3
-
£3,292 GBP
$4,410 USD
View
B+
Retailer 4
-
£3,442 GBP
$4,612 USD
View
Final sale: no returns
B+
Retailer 5
-
£3,470 GBP
$4,650 USD
View
B
Retailer 6
-
£3,694 GBP
$4,950 USD
View
B
Retailer 7
-
£3,729 GBP
$4,996 USD
View
B
Retailer 8
-
£3,729 GBP
$4,996 USD
View
B
Retailer 9
-
£3,729 GBP
$4,996 USD
View
B
Retailer 10
-
£3,923 GBP
$5,256 USD
View
B+
Retailer 11
-
£4,016 GBP
View
B+
Retailer 12
-
£4,069 GBP
View
B
Retailer 13
-
£4,303 GBP
$5,765 USD
View
Retailer 14
-
£4,541 GBP
$6,084 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
£4,659 GBP
€5,945 EUR
View
B
Retailer 16
-
£6,555 GBP
View
Most Expensive
B
NZ Jewellers
d06af083-f6b2-4c4f-9501-ef482687458c · Oct 30
£6,884 GBP
$9,224 USD
View
16 more retailers have this diamond
Prices start from £3,061 GBPSave up to £3,823 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.

B+
1.50ct Radiant
£3,061 GBP