Round|Natural|GIA

1.20ct J VVS2 Round Natural Diamond

EX • J/VVS2 • GIA 1423745225

Certificate GIA 1423745225

Diamond specifications and retailer prices

From £2,823 GBP
$3,783 USD
As of October 30, 2026
Save £2,496 GBP (47%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £6,474 GBP at NZ Jewellers · As of October 3, 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 1423745225. Listed at 25 retailers as of October 26, 2026, with a 88% 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1423745225
Dimensions6.78 × 6.75 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Pinpoint
Top View
6.78 mm6.75 mm1.20 ctJ / VVS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1423745225
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: Oct 30
Current: £4,138 GBP|Low: £2,732 GBP|High: £6,240 GBP|Avg: £3,842 GBP|+13.4%
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
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 13£2,823 GBP
Retailer 20£2,967 GBP
Retailer 15£3,016 GBP
Retailer 9£3,058 GBP
Retailer 19£3,247 GBP
Retailer 7£3,310 GBP
Retailer 14£3,385 GBP
Retailer 8£3,480 GBP
Retailer 11£3,747 GBP
Retailer 16£3,747 GBP
Retailer 2£3,866 GBP
Retailer 3£3,923 GBP
Retailer 10£3,978 GBP
Retailer 12£4,041 GBP
Retailer 1£4,138 GBP
Retailer 5£4,273 GBP
Retailer 6£4,303 GBP
Retailer 4£4,668 GBP
Retailer 17£5,320 GBP
Retailer 18£6,224 GBP

39 data points across 20 retailers

25 retailers£2,823 GBP to £5,320 GBP

B+
Cheapest Retailer
-
£2,823 GBP
$3,783 USD
B+
Retailer 2
-
£3,016 GBP
$4,042 USD
View
Retailer 3
-
£3,058 GBP
$4,098 USD
View
Price last confirmed 23 days ago
B+
Retailer 4
-
£3,145 GBP
CA$5,852 CAD
View
B+
Retailer 5
-
£3,247 GBP
$4,350 USD
View
B
Retailer 6
-
£3,385 GBP
$4,536 USD
View
Retailer 7
-
£3,385 GBP
$4,536 USD
View
Price last confirmed 9 days ago
Retailer 8
-
£3,480 GBP
$4,663 USD
View
Price last confirmed 23 days ago
Retailer 9
-
£3,507 GBP
$4,699 USD
View
Price last confirmed 23 days ago
Retailer 10
-
£3,507 GBP
$4,699 USD
View
Price last confirmed 23 days ago
Retailer 11
-
£3,507 GBP
$4,699 USD
View
Price last confirmed 31 days ago
B
Retailer 12
-
£3,747 GBP
$5,020 USD
View
B
Retailer 13
-
£3,747 GBP
$5,020 USD
View
B
Retailer 14
-
£3,866 GBP
$5,180 USD
View
Retailer 15
-
£3,923 GBP
A$8,086 AUD
View
Price last confirmed 27 days ago
Retailer 16
-
£3,978 GBP
$5,330 USD
View
Price last confirmed 22 days ago
B
Retailer 17
-
£4,041 GBP
€5,157 EUR
View
Retailer 18
-
£4,047 GBP
$5,422 USD
View
Price last confirmed 29 days ago
B
Retailer 19
-
£4,138 GBP
View
Retailer 20
-
£4,273 GBP
$5,725 USD
View
Price last confirmed 23 days ago
Retailer 21
-
£4,303 GBP
View
Price last confirmed 23 days ago
Retailer 22
-
£4,668 GBP
ZAR 101,033 ZAR
View
Price last confirmed 30 days ago
B
Retailer 23
-
£5,320 GBP
$7,128 USD
View
Retailer 24
-
£6,224 GBP
View
Price last confirmed 23 days ago
Most Expensive
NZ Jewellers
f82483a1-fcb4-417f-808f-18fb2274419f · Oct 3
£6,474 GBP
$8,675 USD
View
Price under review
24 more retailers have this diamond
Prices start from £2,823 GBPSave up to £2,496 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 Round
£2,823 GBP