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Radiant|Natural|GIA

0.91ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 6542073425

Certificate GIA 6542073425

Diamond specifications and retailer prices

From £1,189 GBP
$1,593 USD
As of November 2, 2026
Save £653 GBP (35%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,842 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.91ct natural radiant diamond

This 0.91ct natural radiant sits in the just-under-one-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 6542073425. Listed at 10 retailers as of November 2, 2026, with prices from £1,189 to £1,842, a £653 spread on the same certified stone. Yorxs lists it at £1,842. 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

0.91
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.72°
OriginNatural
Grading LabGIA
CertificateGIA 6542073425
Dimensions6.51 × 4.88 × 3.37 mm
L/W Ratio1.33
Top View
6.51 mm4.88 mm0.91 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542073425
Side View
Table 67.0%Crown 46.72°Girdle: MED-THKPavilionCulet: NoneDepth 68.9%

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 2
Current: £1,446 GBP|Low: £673 GBP|High: £1,842 GBP|Avg: £1,310 GBP
Retailer 1
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
Yorxs
November 2, 2026
Retailer 3£673 GBP
Retailer 4£800 GBP
Retailer 5£896 GBP
Retailer 6£952 GBP
Retailer 7£1,189 GBP
Retailer 14£1,196 GBP
Retailer 10£1,228 GBP
Retailer 1£1,446 GBP
Retailer 2£1,515 GBP
Retailer 11£1,530 GBP
Retailer 12£1,530 GBP
Retailer 13£1,582 GBP
Retailer 9£1,647 GBP
Retailer 8£1,660 GBP
Yorxs£1,842 GBP

18 data points across 15 retailers

10 retailers£1,189 GBP to £1,842 GBP

B+
Cheapest Retailer
-
£1,189 GBP
$1,593 USD
B+
Retailer 2
-
£1,196 GBP
$1,602 USD
View
B+
Retailer 3
-
£1,228 GBP
$1,646 USD
View
B
Retailer 4
-
£1,446 GBP
$1,938 USD
View
B
Retailer 5
-
£1,530 GBP
$2,050 USD
View
B
Retailer 6
-
£1,530 GBP
$2,050 USD
View
B
Retailer 7
-
£1,582 GBP
$2,120 USD
View
B
Retailer 8
-
£1,647 GBP
$2,207 USD
View
B
Retailer 9
-
£1,660 GBP
CA$3,090 CAD
View
Most Expensive
B
Yorxs
527678712 · Nov 2
£1,842 GBP
€2,351 EUR
View
9 more retailers have this diamond
Prices start from £1,189 GBPSave up to £653 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+
0.91ct Radiant
£1,189 GBP