Round|Natural|GIA

1.21ct M VS1 Round Natural Diamond

VG • M/VS1 • GIA 6492858798

Shape and cutting style on the report: Round

Certificate GIA 6492858798

Diamond specifications and retailer prices

From £1,103 GBP
As of November 4, 2026
Save £2,534 GBP (70%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,637 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by GIA 6492858798. Listed at 12 retailers as of November 4, 2026, with prices from £1,103 to £3,637, a £2,534 spread on the same certified stone. NZ Jewellers lists it at £3,637. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
M
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6492858798
Dimensions6.62 × 6.69 × 4.29 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.62 mm6.69 mm1.21 ctM / VS1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6492858798
Side View
Table 56.0%Crown 38°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £3,637 GBP|Low: £1,094 GBP|High: £3,637 GBP|Avg: £1,710 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
November 5, 2026
Retailer 7£1,103 GBP
Retailer 5£1,115 GBP
Retailer 9£1,347 GBP
Retailer 10£1,491 GBP
Retailer 12£1,491 GBP
Retailer 3£1,516 GBP
Retailer 8£1,560 GBP
Retailer 4£1,593 GBP
Retailer 11£1,720 GBP
Retailer 6£1,820 GBP
Retailer 2£2,019 GBP
NZ Jewellers£3,637 GBP

45 data points across 12 retailers

12 retailers£1,103 GBP to £3,637 GBP

A
Cheapest Retailer
-
£1,103 GBP
A
Retailer 2
-
£1,115 GBP
View
B+
Retailer 3
-
£1,347 GBP
View
Retailer 4
-
£1,491 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£1,491 GBP
View
B+
Retailer 6
-
£1,516 GBP
View
B+
Retailer 7
-
£1,560 GBP
View
B+
Retailer 8
-
£1,593 GBP
View
B
Retailer 9
-
£1,720 GBP
View
B
Retailer 10
-
£1,820 GBP
View
B
Retailer 11
-
£2,019 GBP
View
Most Expensive
C
NZ Jewellers
90d4d568-a10f-4ede-a968-5daeef9d2535 · Nov 5
£3,637 GBP
$4,895 USD
View
11 more retailers have this diamond
Prices start from £1,103 GBPSave up to £2,534 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
1.21ct Round
£1,103 GBP