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Radiant|Natural|GIA

1.53ct J SI2 Radiant Natural Diamond

ID • J/SI2 • GIA 05

Certificate GIA 05

Diamond specifications and retailer prices

From £3,177 GBP
As of November 4, 2026
Save £3,470 GBP (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £6,647 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.53ct natural radiant diamond

This 1.53ct 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. Listed at 12 retailers as of November 4, 2026, with prices from £3,177 to £6,647, a £3,470 spread on the same certified stone. NZ Jewellers lists it at £6,647. 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

1.53
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 05
Dimensions7.46 × 5.73 × 4.00 mm
L/W Ratio1.30
Top View
7.46 mm5.73 mm1.53 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 05
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.8%

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: Nov 4
Current: £6,647 GBP|Low: £3,177 GBP|High: £6,901 GBP|Avg: £4,163 GBP|-3.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 5£3,177 GBP
Retailer 2£3,566 GBP
Retailer 6£3,600 GBP
Retailer 7£3,600 GBP
Retailer 8£3,795 GBP
Retailer 3£3,870 GBP
Retailer 4£4,114 GBP
NZ Jewellers£6,647 GBP

42 data points across 8 retailers

12 retailers£3,177 GBP to £6,647 GBP

B+
Cheapest Retailer
-
£3,177 GBP
B+
Retailer 2
-
£3,566 GBP
View
Retailer 3
-
£3,600 GBP
View
Price last confirmed 30 days ago
Retailer 4
-
£3,600 GBP
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£3,600 GBP
View
Retailer 6
-
£3,600 GBP
View
Price last confirmed 31 days ago
B+
Retailer 7
-
£3,795 GBP
View
B+
Retailer 8
-
£3,870 GBP
View
B+
Retailer 9
-
£4,114 GBP
View
Retailer 10
-
£4,154 GBP
View
Price last confirmed 31 days ago
Retailer 11
-
£6,647 GBP
View
Price last confirmed 32 days ago
Most Expensive
B
NZ Jewellers
ca14b9ae-8dc1-41d9-a356-88a3fbc8ffca · Nov 5
£6,647 GBP
$8,897 USD
View
11 more retailers have this diamond
Prices start from £3,177 GBPSave up to £3,470 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+
1.53ct Radiant
£3,177 GBP