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Heart|Natural|HRD

0.91ct J SI1 Heart Natural Diamond

EX • J/SI1 • HRD 170002987760

Certificate HRD 170002987760

Diamond specifications and retailer prices

From £1,428 GBP
€1,822 EUR
As of November 2, 2026
Save £1,182 GBP (45%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,609 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 170002987760. Listed at 3 retailers as of November 1, 2026, with prices from £1,428 to £2,609, a £1,182 spread on the same certified stone. MOH London lists it at £2,609. 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

0.91
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabHRD
CertificateHRD 170002987760
Dimensions5.63 × 6.30 × 3.15 mm
L/W Ratio1.12
Girdle conditionFaceted
Top View
5.63 mm6.30 mm0.91 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateHRD 170002987760
Side View
Table 63.0%CrownGirdle: Extremely ThickPavilionCuletDepth 50.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,609 GBP|Low: £1,428 GBP|High: £2,641 GBP|Avg: £1,810 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5£1,428 GBP
Retailer 4£1,542 GBP
Retailer 2£1,653 GBP
Retailer 3£1,860 GBP
MOH London£2,609 GBP

35 data points across 5 retailers

3 retailers£1,428 GBP to £2,609 GBP

B
Cheapest Retailer
-
£1,428 GBP
€1,822 EUR
B
Retailer 2
-
£1,653 GBP
View
Most Expensive
C
MOH London
F22B11920 · Nov 1
£2,609 GBP
View
2 more retailers have this diamond
Prices start from £1,428 GBPSave up to £1,182 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
0.91ct Heart
£1,428 GBP