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Round|Natural|GIA

1.00ct J IF Round Natural Diamond

EX • J/IF • GIA 6565405696

Certificate GIA 6565405696

Diamond specifications and retailer prices

From £1,522 GBP
As of November 6, 2026
Save £2,048 GBP (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,552 GBP at NZ Jewellers · As of October 14, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6565405696. Listed at 14 retailers as of November 4, 2026, with a 135% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565405696
Dimensions6.34 × 6.39 × 3.99 mm
L/W Ratio1.01
Top View
6.34 mm6.39 mm1.00 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565405696
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 62.7%

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 6
Current: £1,820 GBP|Low: £1,522 GBP|High: £3,838 GBP|Avg: £2,270 GBP|-11.5%
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
November 6, 2026
Retailer 3£1,522 GBP
Retailer 1£1,820 GBP
Retailer 13£1,829 GBP
Retailer 8£1,872 GBP
Retailer 4£1,959 GBP
Retailer 5£2,010 GBP
Retailer 7£2,115 GBP
Retailer 6£2,147 GBP
Retailer 12£2,149 GBP
Retailer 9£2,378 GBP
Retailer 10£2,392 GBP
Retailer 11£2,493 GBP
Retailer 2£3,569 GBP

28 data points across 13 retailers

14 retailers£1,522 GBP to £3,569 GBP

A
Cheapest Retailer
-
£1,522 GBP
A
Retailer 2
-
£1,820 GBP
View
A
Retailer 3
-
£1,829 GBP
View
A
Retailer 4
-
£1,872 GBP
View
A
Retailer 5
-
£1,959 GBP
View
A
Retailer 6
-
£2,115 GBP
View
A
Retailer 7
-
£2,147 GBP
View
A
Retailer 8
-
£2,149 GBP
View
B+
Retailer 9
-
£2,378 GBP
View
B+
Retailer 10
-
£2,392 GBP
View
Retailer 11
-
£2,422 GBP
View
Price last confirmed 30 days ago
B+
Retailer 12
-
£2,493 GBP
View
B
Retailer 13
-
£3,569 GBP
View
Most Expensive
NZ Jewellers
fa6f0423-f58a-48b5-9581-37f57cebadf7 · Oct 14
£4,552 GBP
$6,127 USD
View
Price last confirmed 23 days ago
13 more retailers have this diamond
Prices start from £1,522 GBPSave up to £2,048 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
1.00ct Round
£1,522 GBP