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Radiant|Natural|GIA

1.20ct J VS1 Radiant Natural Diamond

ID • J/VS1 • GIA 2427439304

Certificate GIA 2427439304

Diamond specifications and retailer prices

From £1,874 GBP
As of November 6, 2026
Save £2,498 GBP (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,371 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2427439304. Listed at 20 retailers as of November 5, 2026, with prices from £1,874 to £4,371, a £2,498 spread on the same certified stone. NZ Jewellers lists it at £4,371. 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
VS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2427439304
Dimensions7.06 × 5.23 × 3.58 mm
L/W Ratio1.35
Top View
7.06 mm5.23 mm1.20 ctJ / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2427439304
Side View
Table 63.0%CrownGirdlePavilionCulet: NoneDepth 68.4%

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 6
Current: £4,371 GBP|Low: £1,855 GBP|High: £4,371 GBP|Avg: £2,723 GBP
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
Retailer 16
Retailer 17
Retailer 18
November 7, 2026
Retailer 16£1,874 GBP
Retailer 9£2,150 GBP
Retailer 7£2,285 GBP
Retailer 5£2,316 GBP
Retailer 11£2,384 GBP
Retailer 8£2,424 GBP
Retailer 3£2,510 GBP
Retailer 18£2,510 GBP
Retailer 2£2,596 GBP
Retailer 12£2,603 GBP
Retailer 17£2,606 GBP
Retailer 10£2,675 GBP
Retailer 6£2,681 GBP
Retailer 4£2,895 GBP
Retailer 13£2,921 GBP
Retailer 14£3,062 GBP
Retailer 15£4,185 GBP
NZ Jewellers£4,371 GBP

32 data points across 18 retailers

20 retailers£1,874 GBP to £4,371 GBP

B+
Cheapest Retailer
-
£1,874 GBP
B+
Retailer 2
-
£2,227 GBP
View
B+
Retailer 3
-
£2,285 GBP
View
B
Retailer 4
-
£2,316 GBP
View
Final sale: no returns
B+
Retailer 5
-
£2,384 GBP
View
B
Retailer 6
-
£2,424 GBP
View
Retailer 7
-
£2,510 GBP
View
Price last confirmed 9 days ago
B+
Retailer 8
-
£2,510 GBP
View
B+
Retailer 9
-
£2,596 GBP
View
B+
Retailer 10
-
£2,603 GBP
View
B+
Retailer 11
-
£2,606 GBP
View
B
Retailer 12
-
£2,616 GBP
View
B
Retailer 13
-
£2,675 GBP
View
Retailer 14
-
£2,681 GBP
View
Price last confirmed 31 days ago
B
Retailer 15
-
£2,771 GBP
View
B
Retailer 16
-
£2,895 GBP
View
B
Retailer 17
-
£2,921 GBP
View
B
Retailer 18
-
£3,062 GBP
View
B
Retailer 19
-
£4,185 GBP
View
Most Expensive
B
NZ Jewellers
ac33cf31-a5c0-45a1-9c30-2ee86c37ab0d · Nov 5
£4,371 GBP
$5,851 USD
View
19 more retailers have this diamond
Prices start from £1,874 GBPSave up to £2,498 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
£1,874 GBP