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Round|Natural|HRD

1.21ct E SI2 Round Natural Diamond

VG • E/SI2 • HRD 250000194183

Certificate HRD 250000194183

Diamond specifications and retailer prices

From £1,696 GBP
$2,272 USD
As of October 30, 2026
Save £2,230 GBP (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,926 GBP at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by HRD 250000194183. Listed at 11 retailers as of October 27, 2026, with prices from £1,696 to £3,926, a £2,230 spread on the same certified stone. NZ Jewellers lists it at £3,926. 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
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.6°
Pavilion angle40.4°
OriginNatural
Grading LabHRD
CertificateHRD 250000194183
Dimensions6.68 × 6.59 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
The stone in accordance with the mentioned number has been identified as a natural gem diamond.
Top View
6.68 mm6.59 mm1.21 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000194183
Side View
Table 57.0%Crown 37.6°Girdle: MediumPavilion 40.4°Culet: NoneDepth 64.2%

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: Oct 30
Current: £3,926 GBP|Low: £1,588 GBP|High: £3,926 GBP|Avg: £2,278 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
October 29, 2026
Retailer 9£1,696 GBP
Retailer 6£1,733 GBP
Retailer 8£1,762 GBP
Retailer 10£1,878 GBP
Retailer 12£1,878 GBP
Retailer 7£1,964 GBP
Retailer 3£1,983 GBP
Retailer 11£2,167 GBP
Retailer 2£2,345 GBP
Retailer 4£2,855 GBP
Retailer 5£3,307 GBP
NZ Jewellers£3,926 GBP

28 data points across 12 retailers

11 retailers£1,696 GBP to £3,926 GBP

A
Cheapest Retailer
-
£1,696 GBP
$2,272 USD
A
Retailer 2
-
£1,733 GBP
$2,322 USD
View
Final sale: no returns
A
Retailer 3
-
£1,762 GBP
$2,361 USD
View
A
Retailer 4
-
£1,878 GBP
$2,516 USD
View
A
Retailer 5
-
£1,878 GBP
$2,516 USD
View
A
Retailer 6
-
£1,964 GBP
$2,632 USD
View
A
Retailer 7
-
£1,983 GBP
$2,656 USD
View
B+
Retailer 8
-
£2,167 GBP
$2,903 USD
View
A
Retailer 9
-
£2,345 GBP
€2,992 EUR
View
B+
Retailer 10
-
£3,307 GBP
View
Most Expensive
B
NZ Jewellers
76418495-0818-4fd9-8e56-25eb2f636b32 · Oct 27
£3,926 GBP
$5,260 USD
View
10 more retailers have this diamond
Prices start from £1,696 GBPSave up to £2,230 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
£1,696 GBP