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Heart|Natural|GIA

3.00ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 1548109957

Certificate GIA 1548109957

Diamond specifications and retailer prices

From £7,965 GBP
As of November 6, 2026
Save £1,254 GBP (14%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £9,219 GBP at Brilliance · As of November 5, 2026
View at Brilliance

About this 3ct natural heart diamond

This 3ct natural heart sits in the three to five carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1548109957. Listed at 6 retailers as of November 5, 2026, with prices from £7,965 to £9,219, a £1,254 spread on the same certified stone. Brilliance lists it at £9,219. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548109957
Dimensions8.68 × 10.26 × 6.03 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Feather, Cloud, Needle, Natural
Top View
8.68 mm10.26 mm3.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1548109957
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.8%

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 6
Current: £9,219 GBP|Low: £7,965 GBP|High: £9,860 GBP|Avg: £9,129 GBP
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£7,965 GBP
Retailer 6£8,685 GBP
Retailer 4£8,951 GBP
Retailer 3£9,004 GBP
Retailer 5£9,166 GBP
Brilliance£9,219 GBP

46 data points across 6 retailers

6 retailers£7,965 GBP to £9,219 GBP

A
Cheapest Retailer
-
£7,965 GBP
B+
Retailer 2
-
£8,685 GBP
View
B+
Retailer 3
-
£8,951 GBP
View
A
Retailer 4
-
£9,004 GBP
View
B+
Retailer 5
-
£9,166 GBP
View
Final sale: no returns
Most Expensive
B+
Brilliance
D36604469 · Nov 5
£9,219 GBP
$12,340 USD
View
5 more retailers have this diamond
Prices start from £7,965 GBPSave up to £1,254 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
£7,965 GBP