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Heart|Natural|GIA

3.03ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 3475274230

Certificate GIA 3475274230

Diamond specifications and retailer prices

From £26,387 GBP
$35,356 USD
As of October 31, 2026
Save £6,823 GBP (21%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £33,211 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

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 3475274230. Listed at 7 retailers as of October 31, 2026, with prices from £26,387 to £33,211, a £6,823 spread on the same certified stone. 77 Diamonds lists it at £33,211. 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
FluorescenceFaint
Pavilion angle42.8°
OriginNatural
Grading LabGIA
CertificateGIA 3475274230
Dimensions8.72 × 10.18 × 5.99 mm
L/W Ratio1.17
Top View
8.72 mm10.18 mm3.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3475274230
Side View
Table 59.0%CrownGirdle: STK-THKPavilion 42.8°Culet: NoneDepth 58.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £33,211 GBP|Low: £26,112 GBP|High: £33,548 GBP|Avg: £29,296 GBP|+1.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4£26,387 GBP
Retailer 2£27,564 GBP
Retailer 3£30,003 GBP
77 Diamonds£33,211 GBP

40 data points across 4 retailers

7 retailers£26,387 GBP to £33,211 GBP

B
Cheapest Retailer
-
£26,387 GBP
$35,356 USD
B
Retailer 2
-
£27,564 GBP
₹3,517,369 INR
View
B
Retailer 3
-
£27,888 GBP
$37,367 USD
View
B
Retailer 4
-
£28,546 GBP
$38,248 USD
View
B
Retailer 5
-
£30,003 GBP
$40,201 USD
View
Retailer 6
-
£30,003 GBP
$40,201 USD
View
Price last confirmed 16 days ago
Most Expensive
B
77 Diamonds
HSZ3CSNUPNJ · Nov 2
£33,211 GBP
View
6 more retailers have this diamond
Prices start from £26,387 GBPSave up to £6,823 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
£26,387 GBP