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Round|Natural|GIA

1.20ct J VVS1 Round Natural Diamond

EX • J/VVS1 • GIA 1555418567

Certificate GIA 1555418567

Diamond specifications and retailer prices

From £1,921 GBP
As of November 6, 2026
Save £2,407 GBP (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,521 GBP at NZ Jewellers · As of October 9, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 1555418567. Listed at 20 retailers as of November 4, 2026, with a 125% 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

1.20
Carat
J
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1555418567
Dimensions6.72 × 6.74 × 4.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Feather
Top View
6.72 mm6.74 mm1.20 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1555418567
Side View
Table 59.0%Crown 35°Girdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.1%

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: £4,521 GBP|Low: £1,921 GBP|High: £4,521 GBP|Avg: £2,995 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
November 6, 2026
Retailer 12£1,921 GBP
Retailer 2£2,363 GBP
Retailer 3£2,395 GBP
Retailer 7£2,404 GBP
Retailer 6£2,473 GBP
Retailer 13£2,595 GBP
Retailer 5£2,782 GBP
Retailer 9£2,986 GBP
Retailer 4£2,994 GBP
Retailer 10£3,025 GBP
Retailer 11£3,190 GBP
Retailer 8£4,328 GBP
NZ Jewellers£4,521 GBP

39 data points across 13 retailers

20 retailers£1,921 GBP to £4,328 GBP

A
Cheapest Retailer
-
£1,921 GBP
B+
Retailer 2
-
£2,304 GBP
View
B+
Retailer 3
-
£2,363 GBP
View
B+
Retailer 4
-
£2,395 GBP
View
Final sale: no returns
B+
Retailer 5
-
£2,404 GBP
View
B+
Retailer 6
-
£2,473 GBP
View
B+
Retailer 7
-
£2,511 GBP
View
Retailer 8
-
£2,595 GBP
View
Price last confirmed 25 days ago
B+
Retailer 9
-
£2,665 GBP
View
Retailer 10
-
£2,695 GBP
View
Price last confirmed 38 days ago
B+
Retailer 11
-
£2,771 GBP
View
Retailer 12
-
£2,782 GBP
View
Price last confirmed 33 days ago
B
Retailer 13
-
£2,843 GBP
View
B+
Retailer 14
-
£2,986 GBP
View
Retailer 15
-
£2,994 GBP
View
Price last confirmed 28 days ago
B+
Retailer 16
-
£3,025 GBP
View
B+
Retailer 17
-
£3,190 GBP
View
B
Retailer 18
-
£3,682 GBP
View
B
Retailer 19
-
£4,328 GBP
View
Most Expensive
NZ Jewellers
5fd48ade-7aa6-4f5c-b4dc-f3a0fa39108b · Oct 9
£4,521 GBP
$6,085 USD
View
Price last confirmed 28 days ago
19 more retailers have this diamond
Prices start from £1,921 GBPSave up to £2,407 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
1.20ct Round
£1,921 GBP