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Heart|Natural|GIA

0.51ct I SI1 Heart Natural Diamond

GD • I/SI1 • GIA 7523352272

Certificate GIA 7523352272

Diamond specifications and retailer prices

From $355 USD
As of November 6, 2026
Save $121 USD (25%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $476 USD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded I 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 7523352272. Listed at 3 retailers as of November 6, 2026, with prices from $355 to $476, a $121 spread on the same certified stone. 77 Diamonds lists it at $476. 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

0.51
Carat
I
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7523352272
Dimensions4.84 × 5.66 × 3.34 mm
L/W Ratio1.17
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
4.84 mm5.66 mm0.51 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7523352272
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.1%

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: Nov 6
Current: $476 USD|Low: $319 USD|High: $488 USD|Avg: $404 USD|-0.5%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 2$355 USD
Retailer 3$380 USD
77 Diamonds$476 USD

42 data points across 3 retailers

3 retailers$355 USD to $476 USD

A
Cheapest Retailer
-
$355 USD
Final sale: no returns
A
Retailer 2
-
$380 USD
View
Most Expensive
B+
77 Diamonds
HSCPW8CR5BWC · Nov 6
$476 USD
£375 GBP
View
2 more retailers have this diamond
Prices start from $355 USDSave up to $121 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
0.51ct Heart
$355 USD