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Heart|Natural|GIA

0.55ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6541239299

Certificate GIA 6541239299

Diamond specifications and retailer prices

From £297 GBP
As of November 6, 2026
Save £99 GBP (25%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £396 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 0.55ct natural heart diamond

This 0.55ct natural heart sits in the half to three-quarter carat band, graded G 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 6541239299. Listed at 4 retailers as of November 6, 2026, with prices from £297 to £396, a £99 spread on the same certified stone. Brilliant Earth lists it at £396. 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

0.55
Carat
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541239299
Dimensions5.21 × 5.71 × 3.37 mm
L/W Ratio1.10
Top View
5.21 mm5.71 mm0.55 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541239299
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £396 GBP|Low: £285 GBP|High: £456 GBP|Avg: £360 GBP|-13.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3£297 GBP
Retailer 4£308 GBP
Retailer 2£380 GBP
Brilliant Earth£396 GBP

42 data points across 4 retailers

4 retailers£297 GBP to £396 GBP

A
Cheapest Retailer
-
£297 GBP
A
Retailer 2
-
£308 GBP
View
Final sale: no returns
A
Retailer 3
-
£380 GBP
View
Most Expensive
A
Brilliant Earth
18008543A · Nov 6
£396 GBP
$530 USD
View
3 more retailers have this diamond
Prices start from £297 GBPSave up to £99 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.

A
0.55ct Heart
£297 GBP