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Heart|Natural|HRD

1.21ct E SI2 Heart Natural Diamond

EX • E/SI2 • HRD 250000167661

Certificate HRD 250000167661

Diamond specifications and retailer prices

From £2,200 GBP
As of November 6, 2026
Save £2,117 GBP (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,318 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000167661. Listed at 8 retailers as of November 5, 2026, with prices from £2,200 to £4,318, a £2,117 spread on the same certified stone. NZ Jewellers lists it at £4,318. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle41.23°
Pavilion angle39.46°
OriginNatural
Grading LabHRD
CertificateHRD 250000167661
Dimensions7.32 × 6.45 × 4.37 mm
L/W Ratio1.13
Culet sizePointed
Top View
7.32 mm6.45 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000167661
Side View
Table 59.0%Crown 41.23°Girdle: MediumPavilion 39.46°Culet: NoneDepth 59.7%

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 6
Current: £4,318 GBP|Low: £1,712 GBP|High: £4,318 GBP|Avg: £2,763 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£1,712 GBP
Retailer 10£2,200 GBP
Retailer 7£2,287 GBP
Retailer 6£2,478 GBP
Retailer 8£2,478 GBP
Retailer 5£2,574 GBP
Retailer 9£2,586 GBP
Retailer 11£2,746 GBP
Retailer 2£2,832 GBP
Retailer 4£4,134 GBP
NZ Jewellers£4,318 GBP

19 data points across 11 retailers

8 retailers£2,200 GBP to £4,318 GBP

B+
Cheapest Retailer
-
£2,200 GBP
B+
Retailer 2
-
£2,287 GBP
View
Final sale: no returns
B+
Retailer 3
-
£2,478 GBP
View
B
Retailer 4
-
£2,574 GBP
View
B
Retailer 5
-
£2,586 GBP
View
B+
Retailer 6
-
£2,832 GBP
View
B
Retailer 7
-
£4,134 GBP
View
Most Expensive
B
NZ Jewellers
917e6135-a8fa-4f02-b623-52a3facd9366 · Nov 5
£4,318 GBP
$5,779 USD
View
7 more retailers have this diamond
Prices start from £2,200 GBPSave up to £2,117 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+
1.21ct Heart
£2,200 GBP