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Heart|Natural|HRD

3.11ct K SI1 Heart Natural Diamond

ID • K/SI1 • HRD 250000319361

Certificate HRD 250000319361

Diamond specifications and retailer prices

From £9,672 GBP
As of November 6, 2026
Save £5,265 GBP (35%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £14,937 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 3.11ct natural heart diamond

This 3.11ct natural heart sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000319361. Listed at 8 retailers as of November 5, 2026, with prices from £9,672 to £14,937, a £5,265 spread on the same certified stone. NZ Jewellers lists it at £14,937. 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

3.11
Carat
K
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000319361
Dimensions10.16 × 8.77 × 6.03 mm
L/W Ratio1.16
Culet sizePointed
Top View
10.16 mm8.77 mm3.11 ctK / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateHRD 250000319361
Side View
Table 63.0%CrownGirdlePavilionCulet: NoneDepth 59.4%

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 6
Current: £14,937 GBP|Low: £9,672 GBP|High: £14,937 GBP|Avg: £11,592 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3£9,672 GBP
Retailer 5£9,892 GBP
Retailer 8£10,552 GBP
Retailer 7£10,717 GBP
Retailer 6£11,129 GBP
Retailer 2£11,228 GBP
Retailer 4£13,959 GBP
NZ Jewellers£14,937 GBP

43 data points across 8 retailers

8 retailers£9,672 GBP to £14,937 GBP

A
Cheapest Retailer
-
£9,672 GBP
Retailer 2
-
£9,892 GBP
View
Price last confirmed 9 days ago
B+
Retailer 3
-
£10,552 GBP
View
B+
Retailer 4
-
£10,717 GBP
View
B+
Retailer 5
-
£11,129 GBP
View
B+
Retailer 6
-
£11,228 GBP
View
B+
Retailer 7
-
£13,959 GBP
View
Most Expensive
B
NZ Jewellers
407a74e7-a5ff-46e8-9683-342134a44a47 · Nov 5
£14,937 GBP
$19,993 USD
View
7 more retailers have this diamond
Prices start from £9,672 GBPSave up to £5,265 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
3.11ct Heart
£9,672 GBP