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Heart|Natural|GIA

3.00ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 6412374948

Certificate GIA 6412374948

Diamond specifications and retailer prices

From £17,741 GBP
As of November 4, 2026
Save £12,608 GBP (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £30,349 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3ct natural heart diamond

This 3ct natural heart sits in the three to five carat band, graded I 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 6412374948. Listed at 14 retailers as of November 4, 2026, with prices from £17,741 to £30,349, a £12,608 spread on the same certified stone. MOH London lists it at £30,349. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6412374948
Dimensions8.00 × 9.63 × 5.82 mm
L/W Ratio1.20
Top View
8.00 mm9.63 mm3.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6412374948
Side View
Table 59.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 60.4%

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 4
Current: £30,349 GBP|Low: £17,741 GBP|High: £31,890 GBP|Avg: £23,489 GBP|-3.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9£17,741 GBP
Retailer 10£18,488 GBP
Retailer 5£19,618 GBP
Retailer 8£19,647 GBP
Retailer 4£20,176 GBP
Retailer 11£20,650 GBP
Retailer 12£20,650 GBP
Retailer 7£20,828 GBP
Retailer 3£21,337 GBP
Retailer 6£22,953 GBP
Retailer 2£23,835 GBP
MOH London£30,349 GBP

45 data points across 12 retailers

14 retailers£17,741 GBP to £30,349 GBP

B+
Cheapest Retailer
-
£17,741 GBP
B+
Retailer 2
-
£18,488 GBP
View
B+
Retailer 3
-
£19,618 GBP
View
B+
Retailer 4
-
£19,647 GBP
View
B
Retailer 5
-
£20,650 GBP
View
B
Retailer 6
-
£20,650 GBP
View
B
Retailer 7
-
£20,828 GBP
View
Retailer 8
-
£21,017 GBP
View
Price last confirmed 46 days ago
B
Retailer 9
-
£21,337 GBP
View
Retailer 10
-
£21,857 GBP
View
Price last confirmed 45 days ago
Retailer 11
-
£22,698 GBP
View
Price last confirmed 45 days ago
B
Retailer 12
-
£22,953 GBP
View
B+
Retailer 13
-
£23,835 GBP
View
Most Expensive
B
MOH London
C7B990D69 · Nov 4
£30,349 GBP
View
13 more retailers have this diamond
Prices start from £17,741 GBPSave up to £12,608 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
£17,741 GBP