Heart|Natural|GIA

0.55ct F SI1 Heart Natural Diamond

EX • F/SI1 • GIA 6532970264

Certificate GIA 6532970264

Diamond specifications and retailer prices

From $471 USD
As of November 6, 2026
Save $138 USD (23%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $609 USD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 0.55ct natural heart diamond

This 0.55ct natural heart sits in the half to three-quarter carat band, graded F 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 6532970264. Listed at 4 retailers as of November 5, 2026, with prices from $471 to $609, a $138 spread on the same certified stone. Blue Nile lists it at $609. 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
F
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6532970264
Dimensions5.15 × 5.68 × 3.31 mm
L/W Ratio1.10
Top View
5.15 mm5.68 mm0.55 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6532970264
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $609 USD|Low: $426 USD|High: $690 USD|Avg: $555 USD|-11.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 4$471 USD
Retailer 3$515 USD
Retailer 2$587 USD
Blue Nile$609 USD

40 data points across 4 retailers

4 retailers$471 USD to $609 USD

A
Cheapest Retailer
-
$471 USD
Final sale: no returns
A
Retailer 2
-
$515 USD
View
B+
Retailer 3
-
$587 USD
View
Most Expensive
B+
Blue Nile
27266559 · Nov 5
$609 USD
View
3 more retailers have this diamond
Prices start from $471 USDSave up to $138 USD

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
$471 USD