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Radiant|Natural|GIA

0.91ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 7526137618

Certificate GIA 7526137618

Diamond specifications and retailer prices

From £439 GBP
HK$4,600 HKD
As of November 1, 2026
Save £360 GBP (45%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £799 GBP at With Clarity · As of November 1, 2026
View at With Clarity

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 7526137618. Listed at 7 retailers as of November 1, 2026, with prices from £439 to £799, a £360 spread on the same certified stone. With Clarity lists it at £799. 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
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7526137618
Dimensions6.68 × 4.91 × 3.33 mm
L/W Ratio1.36
Girdle conditionPolished
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
6.68 mm4.91 mm0.91 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7526137618
Side View
Table 67.0%CrownGirdlePavilionCulet: 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: Nov 1
Current: £439 GBP|Low: £430 GBP|High: £918 GBP|Avg: £644 GBP|-6.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 31, 2026
Retailer 1£439 GBP
Retailer 3£546 GBP
Retailer 5£584 GBP
Retailer 2£594 GBP
Retailer 6£609 GBP
Retailer 4£663 GBP
With Clarity£799 GBP
Retailer 7£918 GBP

13 data points across 8 retailers

7 retailers£439 GBP to £799 GBP

A
Cheapest Retailer
-
£439 GBP
HK$4,600 HKD
B+
Retailer 2
-
£546 GBP
$732 USD
View
Final sale: no returns
A
Retailer 3
-
£584 GBP
$783 USD
View
A
Retailer 4
-
£594 GBP
SGD 1,076 SGD
View
B+
Retailer 5
-
£609 GBP
SGD 1,102 SGD
View
B+
Retailer 6
-
£663 GBP
$888 USD
View
Most Expensive
B+
With Clarity
7526137618 · Nov 1
£799 GBP
$1,071 USD
View
6 more retailers have this diamond
Prices start from £439 GBPSave up to £360 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
0.91ct Radiant
£439 GBP