Heart|Natural|GIA

0.53ct H SI1 Heart Natural Diamond

GD • H/SI1 • GIA 6551298153

Certificate GIA 6551298153

Diamond specifications and retailer prices

From $429 USD
As of November 6, 2026
Save $207 USD (33%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $636 USD at Steven Stone · As of November 7, 2026
View at Steven Stone

About this 0.53ct natural heart diamond

This 0.53ct natural heart sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6551298153. Listed at 5 retailers as of November 6, 2026, with prices from $429 to $636, a $207 spread on the same certified stone. Steven Stone lists it at $636. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.53
Carat
H
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551298153
Dimensions5.04 × 5.73 × 3.30 mm
L/W Ratio1.14
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
5.04 mm5.73 mm0.53 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551298153
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.6%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $547 USD|Low: $400 USD|High: $636 USD|Avg: $487 USD|-7.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Steven Stone
November 7, 2026
Retailer 2$429 USD
Retailer 3$443 USD
Retailer 4$481 USD
Retailer 1$547 USD
Steven Stone$636 USD

41 data points across 5 retailers

5 retailers$429 USD to $636 USD

A
Cheapest Retailer
-
$429 USD
A
Retailer 2
-
$443 USD
View
Final sale: no returns
B+
Retailer 3
-
$481 USD
View
B+
Retailer 4
-
$547 USD
View
Most Expensive
B
Steven Stone
333543271 · Nov 7
$636 USD
£501 GBP
View
4 more retailers have this diamond
Prices start from $429 USDSave up to $207 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
0.53ct Heart
$429 USD