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Heart|Natural|GIA

3.50ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6501464881

Certificate GIA 6501464881

Diamond specifications and retailer prices

From £21,001 GBP
As of November 6, 2026
Save £15,451 GBP (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £36,452 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.5ct natural heart diamond

This 3.5ct natural heart sits in the three to five 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 GIA 6501464881. Listed at 12 retailers as of November 4, 2026, with prices from £21,001 to £36,452, a £15,451 spread on the same certified stone. MOH London lists it at £36,452. 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

3.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
OriginNatural
Grading LabGIA
CertificateGIA 6501464881
Dimensions9.92 × 8.30 × 5.78 mm
L/W Ratio1.20
Top View
9.92 mm8.30 mm3.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6501464881
Side View
Table 69.0%Crown 31.5°Girdle: THN-THKPavilionCulet: NoneDepth 69.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £36,452 GBP|Low: £20,330 GBP|High: £36,746 GBP|Avg: £24,951 GBP|+3.3%
MOH London
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
November 6, 2026
Retailer 13£21,001 GBP
Retailer 14£21,308 GBP
Retailer 3£21,452 GBP
Retailer 6£22,306 GBP
Retailer 12£22,708 GBP
Retailer 10£22,738 GBP
Retailer 8£23,336 GBP
Retailer 9£23,403 GBP
Retailer 4£23,813 GBP
Retailer 5£24,764 GBP
Retailer 11£25,021 GBP
Retailer 2£28,235 GBP
Retailer 7£30,129 GBP
MOH London£36,452 GBP

39 data points across 14 retailers

12 retailers£21,001 GBP to £36,452 GBP

B
Cheapest Retailer
-
£21,001 GBP
B
Retailer 2
-
£21,308 GBP
View
B
Retailer 3
-
£21,452 GBP
View
Final sale: no returns
Retailer 4
-
£22,306 GBP
View
Price last confirmed 33 days ago
B
Retailer 5
-
£22,708 GBP
View
B
Retailer 6
-
£22,738 GBP
View
B
Retailer 7
-
£23,336 GBP
View
B
Retailer 8
-
£23,813 GBP
View
B
Retailer 9
-
£25,021 GBP
View
B
Retailer 10
-
£28,235 GBP
View
B
Retailer 11
-
£30,129 GBP
View
Most Expensive
B
MOH London
628949067 · Nov 4
£36,452 GBP
View
11 more retailers have this diamond
Prices start from £21,001 GBPSave up to £15,451 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
3.50ct Heart
£21,001 GBP