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Heart|Natural|GIA

3.03ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 7508183402

Certificate GIA 7508183402

Diamond specifications and retailer prices

From £30,328 GBP
As of November 6, 2026
Save £7,517 GBP (20%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £37,846 GBP at 77 Diamonds · As of November 6, 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 G 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 7508183402. Listed at 2 retailers as of November 6, 2026, with prices from £30,328 to £37,846, a £7,517 spread on the same certified stone. 77 Diamonds lists it at £37,846. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7508183402
Dimensions8.38 × 10.00 × 5.88 mm
L/W Ratio1.19
Top View
8.38 mm10.00 mm3.03 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7508183402
Side View
Table 55.0%CrownGirdlePavilionCuletDepth 58.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: £37,846 GBP|Low: £30,328 GBP|High: £38,784 GBP|Avg: £34,403 GBP|-1.4%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2£30,328 GBP
77 Diamonds£37,846 GBP

22 data points across 2 retailers

2 retailers£30,328 GBP to £37,846 GBP

B
Cheapest Retailer
-
£30,328 GBP
Most Expensive
B
77 Diamonds
HSMBPKFSFNVT · Nov 6
£37,846 GBP
View
1 more retailer has this diamond
Prices start from £30,328 GBPSave up to £7,517 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
£30,328 GBP