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Radiant|Natural|GIA

0.91ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 2564308347

Certificate GIA 2564308347

Diamond specifications and retailer prices

From £772 GBP
₹98,570 INR
As of November 1, 2026
Save £1,731 GBP (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,504 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 2564308347. Listed at 15 retailers as of October 30, 2026, with prices from £772 to £2,504, a £1,731 spread on the same certified stone. NZ Jewellers lists it at £2,504. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2564308347
Dimensions6.60 × 4.71 × 3.21 mm
L/W Ratio1.40
Girdle conditionVery Thick
Top View
6.60 mm4.71 mm0.91 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564308347
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.2%

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: £2,504 GBP|Low: £772 GBP|High: £2,504 GBP|Avg: £1,325 GBP|+2.3%
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
Retailer 14
Retailer 15
November 1, 2026
Retailer 2£772 GBP
Retailer 6£814 GBP
Retailer 13£896 GBP
Retailer 5£951 GBP
Retailer 15£1,064 GBP
Retailer 14£1,105 GBP
Retailer 3£1,128 GBP
Retailer 10£1,135 GBP
Retailer 4£1,172 GBP
Retailer 7£1,325 GBP
Retailer 11£1,432 GBP
Retailer 12£1,504 GBP
Retailer 9£1,881 GBP
Retailer 8£1,976 GBP
NZ Jewellers£2,504 GBP

28 data points across 15 retailers

15 retailers£772 GBP to £2,504 GBP

A
Cheapest Retailer
-
£772 GBP
₹98,570 INR
A
Retailer 2
-
£814 GBP
$1,091 USD
View
Final sale: no returns
B+
Retailer 3
-
£896 GBP
$1,200 USD
View
B+
Retailer 4
-
£951 GBP
$1,274 USD
View
B+
Retailer 5
-
£1,064 GBP
$1,426 USD
View
B+
Retailer 6
-
£1,105 GBP
$1,480 USD
View
B+
Retailer 7
-
£1,128 GBP
$1,511 USD
View
B+
Retailer 8
-
£1,135 GBP
View
B+
Retailer 9
-
£1,172 GBP
$1,570 USD
View
Retailer 10
-
£1,325 GBP
A$2,731 AUD
View
Price last confirmed 27 days ago
B
Retailer 11
-
£1,432 GBP
€1,827 EUR
View
B
Retailer 12
-
£1,504 GBP
ZAR 32,548 ZAR
View
B
Retailer 13
-
£1,881 GBP
View
B
Retailer 14
-
£1,976 GBP
View
Most Expensive
B
NZ Jewellers
bf4dc349-275a-4b80-916a-026fdc93196f · Oct 30
£2,504 GBP
$3,355 USD
View
14 more retailers have this diamond
Prices start from £772 GBPSave up to £1,731 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
£772 GBP