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Heart|Natural|GIA

0.55ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 6535675389

Certificate GIA 6535675389

Diamond specifications and retailer prices

From £385 GBP
MYR 2,100 MYR
As of October 30, 2026
Save £108 GBP (22%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £493 GBP at Brilliant Earth · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6535675389. Listed at 5 retailers as of October 30, 2026, with prices from £385 to £493, a £108 spread on the same certified stone. Brilliant Earth lists it at £493. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6535675389
Dimensions5.71 × 5.18 × 3.26 mm
L/W Ratio1.10
Top View
5.71 mm5.18 mm0.55 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6535675389
Side View
Table 57.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 57.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £493 GBP|Low: £348 GBP|High: £545 GBP|Avg: £449 GBP|-9.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5£385 GBP
Retailer 2£390 GBP
Retailer 4£427 GBP
Retailer 3£478 GBP
Brilliant Earth£493 GBP

40 data points across 5 retailers

5 retailers£385 GBP to £493 GBP

A
Cheapest Retailer
-
£385 GBP
MYR 2,100 MYR
A
Retailer 2
-
£390 GBP
$523 USD
View
Final sale: no returns
A
Retailer 3
-
£427 GBP
SGD 773 SGD
View
A
Retailer 4
-
£478 GBP
View
Most Expensive
B+
Brilliant Earth
16121007A · Oct 30
£493 GBP
$660 USD
View
4 more retailers have this diamond
Prices start from £385 GBPSave up to £108 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
£385 GBP