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Round|Natural|GIA

1.21ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 6542867553

Certificate GIA 6542867553

Diamond specifications and retailer prices

From £2,558 GBP
As of November 4, 2026
Save £2,979 GBP (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £6,073 GBP at NZ Jewellers · As of September 26, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 6542867553. Listed at 19 retailers as of November 4, 2026, with a 116% 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

1.21
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6542867553
Dimensions6.79 × 6.73 × 4.25 mm
L/W Ratio1.01
Top View
6.79 mm6.73 mm1.21 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542867553
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.9%

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 4
Current: £3,234 GBP|Low: £2,529 GBP|High: £5,611 GBP|Avg: £3,548 GBP|-5.9%
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
November 6, 2026
Retailer 11£2,558 GBP
Retailer 13£3,013 GBP
Retailer 2£3,218 GBP
Retailer 1£3,234 GBP
Retailer 7£3,241 GBP
Retailer 4£3,248 GBP
Retailer 12£3,486 GBP
Retailer 5£3,532 GBP
Retailer 3£3,673 GBP
Retailer 8£3,883 GBP
Retailer 10£3,932 GBP
Retailer 6£4,253 GBP
Retailer 9£5,538 GBP

37 data points across 13 retailers

19 retailers£2,558 GBP to £5,538 GBP

A
Cheapest Retailer
-
£2,558 GBP
B+
Retailer 2
-
£3,013 GBP
View
B+
Retailer 3
-
£3,040 GBP
View
B+
Retailer 4
-
£3,150 GBP
View
B+
Retailer 5
-
£3,218 GBP
View
Final sale: no returns
B+
Retailer 6
-
£3,234 GBP
View
B+
Retailer 7
-
£3,241 GBP
View
Retailer 8
-
£3,248 GBP
View
Price last confirmed 11 days ago
Retailer 9
-
£3,486 GBP
View
Price last confirmed 8 days ago
Retailer 10
-
£3,532 GBP
View
Price last confirmed 33 days ago
B+
Retailer 11
-
£3,673 GBP
View
B+
Retailer 12
-
£3,883 GBP
View
B+
Retailer 13
-
£3,932 GBP
View
Retailer 14
-
£4,023 GBP
View
Price last confirmed 38 days ago
B+
Retailer 15
-
£4,053 GBP
View
B+
Retailer 16
-
£4,253 GBP
View
B
Retailer 17
-
£4,964 GBP
View
B
Retailer 18
-
£5,538 GBP
View
Most Expensive
NZ Jewellers
f7278bc7-cc13-41e1-bd69-c692265f55a2 · Sep 26
£6,073 GBP
$8,174 USD
View
Price last confirmed 40 days ago
18 more retailers have this diamond
Prices start from £2,558 GBPSave up to £2,979 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
£2,558 GBP