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Radiant|Natural|GIA

1.20ct J IF Radiant Natural Diamond

EX • J/IF • GIA 6525678071

Certificate GIA 6525678071

Diamond specifications and retailer prices

From £2,517 GBP
As of November 4, 2026
Save £1,141 GBP (31%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,658 GBP at Washington Diamond · As of November 6, 2026
View at Washington Diamond

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant 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 stated by the retailer rather than the lab and certified by GIA 6525678071. Listed at 12 retailers as of November 4, 2026, with prices from £2,517 to £3,658, a £1,141 spread on the same certified stone. Washington Diamond lists it at £3,658. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
J
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6525678071
Dimensions6.94 × 5.34 × 3.66 mm
L/W Ratio1.30
Top View
6.94 mm5.34 mm1.20 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6525678071
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

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 4
Current: £3,481 GBP|Low: £2,517 GBP|High: £3,700 GBP|Avg: £3,072 GBP|+3.0%
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
Retailer 15
Retailer 16
Retailer 17
Washington Diamond
November 6, 2026
Retailer 13£2,517 GBP
Retailer 12£2,519 GBP
Retailer 10£2,559 GBP
Retailer 3£2,579 GBP
Retailer 7£2,584 GBP
Retailer 6£2,637 GBP
Retailer 14£2,819 GBP
Retailer 11£3,155 GBP
Retailer 15£3,228 GBP
Retailer 16£3,347 GBP
Retailer 17£3,347 GBP
Retailer 4£3,420 GBP
Retailer 5£3,420 GBP
Retailer 9£3,446 GBP
Retailer 2£3,459 GBP
Retailer 1£3,481 GBP
Washington Diamond£3,658 GBP
Retailer 8£3,700 GBP

22 data points across 18 retailers

12 retailers£2,517 GBP to £3,658 GBP

B+
Cheapest Retailer
-
£2,517 GBP
B+
Retailer 2
-
£2,519 GBP
View
B+
Retailer 3
-
£2,559 GBP
View
B+
Retailer 4
-
£2,579 GBP
View
B
Retailer 5
-
£2,819 GBP
View
B
Retailer 6
-
£3,155 GBP
View
B
Retailer 7
-
£3,228 GBP
View
B
Retailer 8
-
£3,347 GBP
View
B
Retailer 9
-
£3,347 GBP
View
B
Retailer 10
-
£3,459 GBP
View
B
Retailer 11
-
£3,481 GBP
View
Most Expensive
B
Washington Diamond
1947493255 · Nov 6
£3,658 GBP
$4,896 USD
View
11 more retailers have this diamond
Prices start from £2,517 GBPSave up to £1,141 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+
1.20ct Radiant
£2,517 GBP