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Heart|Natural|GIA

3.00ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 1415546335

Certificate GIA 1415546335

Diamond specifications and retailer prices

From £17,666 GBP
As of November 6, 2026
Save £23,145 GBP (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £40,811 GBP at Adiamor · As of November 5, 2026
View at Adiamor

About this 3ct natural heart diamond

This 3ct natural heart sits in the three to five carat band, graded H 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 1415546335. Listed at 17 retailers as of November 5, 2026, with prices from £17,666 to £40,811, a £23,145 spread on the same certified stone. Adiamor lists it at £40,811. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1415546335
Dimensions8.87 × 10.06 × 5.49 mm
L/W Ratio1.13
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
8.87 mm10.06 mm3.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1415546335
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 54.6%

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: £17,666 GBP|Low: £17,666 GBP|High: £33,825 GBP|Avg: £23,660 GBP|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1£17,666 GBP
Retailer 4£20,981 GBP
Retailer 2£21,426 GBP
Retailer 5£21,653 GBP
Retailer 6£23,622 GBP
Retailer 8£24,803 GBP
Retailer 7£25,591 GBP
Retailer 3£33,333 GBP

43 data points across 8 retailers

17 retailers£17,666 GBP to £40,811 GBP

B+
Cheapest Retailer
-
£17,666 GBP
B+
Retailer 2
-
£17,969 GBP
View
Retailer 3
-
£19,811 GBP
View
Price last confirmed 25 days ago
B
Retailer 4
-
£20,981 GBP
View
B+
Retailer 5
-
£21,426 GBP
View
B
Retailer 6
-
£21,653 GBP
View
Final sale: no returns
B
Retailer 7
-
£21,653 GBP
View
Retailer 8
-
£22,292 GBP
View
Price last confirmed 37 days ago
B
Retailer 9
-
£23,017 GBP
View
Retailer 10
-
£23,622 GBP
View
Price last confirmed 8 days ago
B
Retailer 11
-
£24,803 GBP
View
Retailer 12
-
£25,591 GBP
View
Price last confirmed 39 days ago
B
Retailer 13
-
£25,591 GBP
View
B
Retailer 14
-
£26,292 GBP
View
Retailer 15
-
£26,575 GBP
View
Price last confirmed 38 days ago
B
Retailer 16
-
£33,333 GBP
View
Most Expensive
B
Adiamor
D-64679060 · Nov 5
£40,811 GBP
$54,625 USD
View
16 more retailers have this diamond
Prices start from £17,666 GBPSave up to £23,145 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+
3.00ct Heart
£17,666 GBP