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Radiant|Natural|GIA

0.85ct J SI2 Radiant Natural Diamond

ID • J/SI2 • GIA 2547145755

Certificate GIA 2547145755

Diamond specifications and retailer prices

From £603 GBP
$808 USD
As of October 29, 2026
Save £1,287 GBP (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,890 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.85ct natural radiant diamond

This 0.85ct natural radiant sits in the just-under-one-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 2547145755. Listed at 6 retailers as of October 29, 2026, with prices from £603 to £1,890, a £1,287 spread on the same certified stone. NZ Jewellers lists it at £1,890. 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

0.85
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.9°
Pavilion angle35.77°
OriginNatural
Grading LabGIA
CertificateGIA 2547145755
Dimensions6.26 × 4.80 × 3.26 mm
L/W Ratio1.30
Top View
6.26 mm4.80 mm0.85 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547145755
Side View
Table 70.0%Crown 49.9°Girdle: MED-STKPavilion 35.77°Culet: 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: Oct 29
Current: £1,890 GBP|Low: £603 GBP|High: £1,931 GBP|Avg: £909 GBP|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5£603 GBP
Retailer 4£626 GBP
Retailer 6£665 GBP
Retailer 7£719 GBP
Retailer 8£755 GBP
Retailer 2£802 GBP
Retailer 9£859 GBP
Retailer 3£1,110 GBP
NZ Jewellers£1,890 GBP

32 data points across 9 retailers

6 retailers£603 GBP to £1,890 GBP

A
Cheapest Retailer
-
£603 GBP
$808 USD
A
Retailer 2
-
£626 GBP
$839 USD
View
A
Retailer 3
-
£665 GBP
$891 USD
View
A
Retailer 4
-
£802 GBP
View
B+
Retailer 5
-
£1,110 GBP
View
Most Expensive
B
NZ Jewellers
d4d13079-5af7-499a-af9d-e69b8fd6b211 · Oct 30
£1,890 GBP
$2,533 USD
View
5 more retailers have this diamond
Prices start from £603 GBPSave up to £1,287 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
0.85ct Radiant
£603 GBP