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Heart|Natural|GIA

3.03ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 2235801183

Certificate GIA 2235801183

Diamond specifications and retailer prices

From £21,088 GBP
CA$39,243 CAD
As of October 30, 2026
Save £13,516 GBP (39%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £34,604 GBP at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235801183. Listed at 13 retailers as of October 30, 2026, with prices from £21,088 to £34,604, a £13,516 spread on the same certified stone. MOH London lists it at £34,604. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.2°
OriginNatural
Grading LabGIA
CertificateGIA 2235801183
Dimensions9.95 × 8.83 × 5.06 mm
L/W Ratio1.13
Girdle conditionFaceted
Top View
9.95 mm8.83 mm3.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235801183
Side View
Table 59.0%CrownGirdle: MED-VTKPavilion 39.2°Culet: NoneDepth 57.3%

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: Oct 30
Current: £34,604 GBP|Low: £18,464 GBP|High: £36,529 GBP|Avg: £24,705 GBP|-5.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3£18,464 GBP
Retailer 7£21,088 GBP
Retailer 6£22,363 GBP
Retailer 2£22,767 GBP
Retailer 12£23,442 GBP
Retailer 13£23,442 GBP
Retailer 8£23,445 GBP
Retailer 11£24,226 GBP
Retailer 4£24,332 GBP
Retailer 9£26,150 GBP
Retailer 10£26,384 GBP
Retailer 5£27,062 GBP
MOH London£34,604 GBP

35 data points across 13 retailers

13 retailers£21,088 GBP to £34,604 GBP

B+
Cheapest Retailer
-
£21,088 GBP
CA$39,243 CAD
B
Retailer 2
-
£22,363 GBP
$29,964 USD
View
B+
Retailer 3
-
£22,767 GBP
View
Retailer 4
-
£23,080 GBP
$30,925 USD
View
Price last confirmed 32 days ago
B+
Retailer 5
-
£23,080 GBP
$30,925 USD
View
B+
Retailer 6
-
£23,442 GBP
$31,410 USD
View
B+
Retailer 7
-
£23,442 GBP
$31,410 USD
View
B+
Retailer 8
-
£23,445 GBP
$31,414 USD
View
B
Retailer 9
-
£24,226 GBP
$32,460 USD
View
B
Retailer 10
-
£24,332 GBP
$32,602 USD
View
B
Retailer 11
-
£26,150 GBP
$35,038 USD
View
B
Retailer 12
-
£26,384 GBP
$35,352 USD
View
Most Expensive
B
MOH London
E90F24CEF · Nov 1
£34,604 GBP
View
12 more retailers have this diamond
Prices start from £21,088 GBPSave up to £13,516 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
£21,088 GBP