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Heart|Natural|GIA

3.03ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 10369834

Certificate GIA 10369834

Diamond specifications and retailer prices

From £39,267 GBP
$52,613 USD
As of October 30, 2026
Save £9,656 GBP (20%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £48,922 GBP at 77 Diamonds · As of October 28, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 10369834. Listed at 3 retailers as of October 28, 2026, with prices from £39,267 to £48,922, a £9,656 spread on the same certified stone. 77 Diamonds lists it at £48,922. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 10369834
Dimensions9.95 × 10.03 × 5.00 mm
L/W Ratio1.01
Top View
9.95 mm10.03 mm3.03 ctE / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 10369834
Side View
Table 54.0%CrownGirdlePavilionCuletDepth 50.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £48,922 GBP|Low: £38,812 GBP|High: £49,647 GBP|Avg: £43,290 GBP|+0.3%
77 Diamonds
Retailer 2
Retailer 3
October 28, 2026
Retailer 2£39,267 GBP
Retailer 3£41,351 GBP
77 Diamonds£48,922 GBP

21 data points across 3 retailers

3 retailers£39,267 GBP to £48,922 GBP

B
Cheapest Retailer
-
£39,267 GBP
$52,613 USD
B
Retailer 2
-
£41,351 GBP
$55,406 USD
View
Most Expensive
B
77 Diamonds
HSZPNQRSQ3D · Oct 28
£48,922 GBP
View
2 more retailers have this diamond
Prices start from £39,267 GBPSave up to £9,656 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
£39,267 GBP