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Heart|Natural|GIA

3.00ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 1555985315

Certificate GIA 1555985315

Diamond specifications and retailer prices

From £10,336 GBP
As of November 4, 2026
Save £4,899 GBP (32%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £15,234 GBP at Diamonds Direct · As of November 6, 2026
View at Diamonds Direct

About this 3ct natural heart diamond

This 3ct natural heart sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555985315. Listed at 9 retailers as of November 4, 2026, with prices from £10,336 to £15,234, a £4,899 spread on the same certified stone. Diamonds Direct lists it at £15,234. 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

3.00
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.8°
Pavilion angle38.28°
OriginNatural
Grading LabGIA
CertificateGIA 1555985315
Dimensions8.69 × 9.85 × 5.85 mm
L/W Ratio1.13
Culet sizeNone
Top View
8.69 mm9.85 mm3.00 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555985315
Side View
Table 59.0%Crown 37.8°Girdle: VTN-VTKPavilion 38.28°Culet: NoneDepth 59.4%

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: Nov 4
Current: £15,234 GBP|Low: £10,336 GBP|High: £16,518 GBP|Avg: £12,546 GBP|-7.8%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7£10,336 GBP
Retailer 2£10,898 GBP
Retailer 5£10,983 GBP
Retailer 8£11,286 GBP
Retailer 3£11,481 GBP
Retailer 9£11,555 GBP
Retailer 4£12,975 GBP
Retailer 6£13,636 GBP
Diamonds Direct£15,234 GBP

44 data points across 9 retailers

9 retailers£10,336 GBP to £15,234 GBP

A
Cheapest Retailer
-
£10,336 GBP
A
Retailer 2
-
£10,898 GBP
View
A
Retailer 3
-
£10,983 GBP
View
A
Retailer 4
-
£11,286 GBP
View
B+
Retailer 5
-
£11,481 GBP
View
B+
Retailer 6
-
£11,555 GBP
View
B+
Retailer 7
-
£12,975 GBP
View
B+
Retailer 8
-
£13,636 GBP
View
Most Expensive
B
Diamonds Direct
1064858 · Nov 6
£15,234 GBP
$20,391 USD
View
8 more retailers have this diamond
Prices start from £10,336 GBPSave up to £4,899 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
3.00ct Heart
£10,336 GBP