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Round|Natural|GIA

1.20ct M VS1 Round Natural Diamond

EX • M/VS1 • GIA 6502430356

Certificate GIA 6502430356

Diamond specifications and retailer prices

From £1,590 GBP
As of November 5, 2026
Save £2,433 GBP (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £4,023 GBP at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6502430356. Listed at 7 retailers as of November 5, 2026, with prices from £1,590 to £4,023, a £2,433 spread on the same certified stone. NZ Jewellers lists it at £4,023. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
M
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6502430356
Dimensions6.78 × 6.81 × 4.19 mm
L/W Ratio1.00
Star length55%
Lower girdle80%
Top View
6.78 mm6.81 mm1.20 ctM / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6502430356
Side View
Table 57.0%Crown 34.5°GirdlePavilion 40.6°Culet: NoneDepth 61.7%

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 5
Current: £4,023 GBP|Low: £1,278 GBP|High: £4,023 GBP|Avg: £2,204 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3£1,278 GBP
Retailer 9£1,590 GBP
Retailer 5£1,743 GBP
Retailer 7£1,743 GBP
Retailer 4£1,824 GBP
Retailer 11£1,982 GBP
Retailer 6£2,011 GBP
Retailer 2£2,384 GBP
Retailer 10£2,797 GBP
Retailer 8£2,816 GBP
NZ Jewellers£4,023 GBP

19 data points across 11 retailers

7 retailers£1,590 GBP to £4,023 GBP

B+
Cheapest Retailer
-
£1,590 GBP
B+
Retailer 2
-
£1,743 GBP
View
B
Retailer 3
-
£1,824 GBP
View
B
Retailer 4
-
£2,011 GBP
View
B
Retailer 5
-
£2,384 GBP
View
B
Retailer 6
-
£2,797 GBP
View
Most Expensive
C
NZ Jewellers
bc80b1fd-5dd9-46e9-b7d9-c4ef06605ad5 · Nov 5
£4,023 GBP
$5,415 USD
View
6 more retailers have this diamond
Prices start from £1,590 GBPSave up to £2,433 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
£1,590 GBP