Round|Natural|GIA

1.21ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 1455211067

Certificate GIA 1455211067

Diamond specifications and retailer prices

From £2,444 GBP
As of November 4, 2026
Save £3,186 GBP (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £5,630 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1455211067. Listed at 18 retailers as of November 4, 2026, with prices from £2,444 to £5,630, a £3,186 spread on the same certified stone. NZ Jewellers lists it at £5,630. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1455211067
Dimensions6.79 × 6.75 × 4.22 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.79 mm6.75 mm1.21 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1455211067
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: £5,630 GBP|Low: £2,415 GBP|High: £6,098 GBP|Avg: £3,644 GBP|-7.7%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 4£2,444 GBP
Retailer 13£2,680 GBP
Retailer 7£2,969 GBP
Retailer 5£2,972 GBP
Retailer 18£2,982 GBP
Retailer 9£3,074 GBP
Retailer 3£3,231 GBP
Retailer 16£3,231 GBP
Retailer 2£3,253 GBP
Retailer 8£3,262 GBP
Retailer 11£3,430 GBP
Retailer 6£3,433 GBP
Retailer 10£3,528 GBP
Retailer 14£3,728 GBP
Retailer 15£3,841 GBP
Retailer 12£3,942 GBP
Retailer 17£5,133 GBP
NZ Jewellers£5,630 GBP

29 data points across 18 retailers

18 retailers£2,444 GBP to £5,630 GBP

A
Cheapest Retailer
-
£2,444 GBP
A
Retailer 2
-
£2,680 GBP
View
A
Retailer 3
-
£2,969 GBP
View
A
Retailer 4
-
£2,972 GBP
View
A
Retailer 5
-
£2,982 GBP
View
Final sale: no returns
Retailer 6
-
£3,074 GBP
View
Price last confirmed 10 days ago
B+
Retailer 7
-
£3,231 GBP
View
B+
Retailer 8
-
£3,231 GBP
View
B+
Retailer 9
-
£3,253 GBP
View
Retailer 10
-
£3,262 GBP
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£3,430 GBP
View
B+
Retailer 12
-
£3,433 GBP
View
Retailer 13
-
£3,528 GBP
View
Price last confirmed 28 days ago
B+
Retailer 14
-
£3,728 GBP
View
B+
Retailer 15
-
£3,841 GBP
View
B+
Retailer 16
-
£3,942 GBP
View
B
Retailer 17
-
£5,133 GBP
View
Most Expensive
B
NZ Jewellers
62b8b62e-e76c-47e1-ba60-172f2b35f1e2 · Nov 5
£5,630 GBP
$7,577 USD
View
17 more retailers have this diamond
Prices start from £2,444 GBPSave up to £3,186 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
£2,444 GBP