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Heart|Natural|GIA

3.03ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 2456638315

Certificate GIA 2456638315

Diamond specifications and retailer prices

From £21,083 GBP
As of November 6, 2026
Save £15,546 GBP (42%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £36,630 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.03ct natural heart diamond

This 3.03ct 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 2456638315. Listed at 17 retailers as of November 4, 2026, with prices from £21,083 to £36,630, a £15,546 spread on the same certified stone. MOH London lists it at £36,630. 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

3.03
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2456638315
Dimensions8.92 × 10.28 × 5.75 mm
L/W Ratio1.15
Top View
8.92 mm10.28 mm3.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2456638315
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 55.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £36,630 GBP|Low: £21,083 GBP|High: £37,170 GBP|Avg: £25,451 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£21,083 GBP
Retailer 5£21,411 GBP
Retailer 3£23,311 GBP
Retailer 6£23,713 GBP
Retailer 4£24,693 GBP
MOH London£36,630 GBP

46 data points across 6 retailers

17 retailers£21,083 GBP to £36,630 GBP

B+
Cheapest Retailer
-
£21,083 GBP
B+
Retailer 2
-
£21,411 GBP
View
B
Retailer 3
-
£22,011 GBP
View
B
Retailer 4
-
£22,168 GBP
View
B+
Retailer 5
-
£22,341 GBP
View
B+
Retailer 6
-
£23,311 GBP
View
Retailer 7
-
£23,517 GBP
View
Price last confirmed 8 days ago
B+
Retailer 8
-
£23,713 GBP
View
B
Retailer 9
-
£24,497 GBP
View
B
Retailer 10
-
£24,572 GBP
View
B
Retailer 11
-
£24,572 GBP
View
B
Retailer 12
-
£24,693 GBP
View
B
Retailer 13
-
£25,387 GBP
View
B
Retailer 14
-
£25,477 GBP
View
B
Retailer 15
-
£26,457 GBP
View
B
Retailer 16
-
£27,491 GBP
View
Most Expensive
B
MOH London
ECED63A99 · Nov 4
£36,630 GBP
View
16 more retailers have this diamond
Prices start from £21,083 GBPSave up to £15,546 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+
3.03ct Heart
£21,083 GBP