Heart|Natural|GIA

3.00ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 7421308029

Certificate GIA 7421308029

Diamond specifications and retailer prices

From £13,882 GBP
As of November 4, 2026
Save £7,218 GBP (34%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £21,100 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 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 7421308029. Listed at 9 retailers as of November 4, 2026, with prices from £13,882 to £21,100, a £7,218 spread on the same certified stone. MOH London lists it at £21,100. 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
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7421308029
Dimensions9.20 × 9.54 × 5.53 mm
L/W Ratio1.04
Top View
9.20 mm9.54 mm3.00 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7421308029
Side View
Table 60.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 57.9%

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: £21,100 GBP|Low: £13,882 GBP|High: £23,228 GBP|Avg: £16,954 GBP|-8.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9£13,882 GBP
Retailer 3£14,100 GBP
Retailer 8£14,330 GBP
Retailer 6£15,701 GBP
Retailer 7£16,199 GBP
Retailer 2£16,344 GBP
Retailer 4£16,822 GBP
Retailer 5£19,191 GBP
MOH London£21,100 GBP

46 data points across 9 retailers

9 retailers£13,882 GBP to £21,100 GBP

A
Cheapest Retailer
-
£13,882 GBP
A
Retailer 2
-
£14,100 GBP
View
A
Retailer 3
-
£14,330 GBP
View
Final sale: no returns
B+
Retailer 4
-
£15,701 GBP
View
B+
Retailer 5
-
£16,199 GBP
View
B+
Retailer 6
-
£16,344 GBP
View
B+
Retailer 7
-
£16,822 GBP
View
B+
Retailer 8
-
£19,191 GBP
View
Most Expensive
B
MOH London
DC7A3DE77 · Nov 4
£21,100 GBP
View
8 more retailers have this diamond
Prices start from £13,882 GBPSave up to £7,218 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
£13,882 GBP