CaratHunter
Plans
Heart|Natural|GIA

0.51ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 3545165671

Certificate GIA 3545165671

Diamond specifications and retailer prices

From $595 CAD
As of November 6, 2026
Save $193 CAD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $788 CAD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3545165671. Listed at 4 retailers as of November 6, 2026, with prices from $595 to $788, a $193 spread on the same certified stone. Brilliant Earth lists it at $788. 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

0.51
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3545165671
Dimensions4.88 × 5.58 × 3.32 mm
L/W Ratio1.14
Top View
4.88 mm5.58 mm0.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3545165671
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.4%

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: $788 CAD|Low: $574 CAD|High: $900 CAD|Avg: $721 CAD|-12.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$595 CAD
Retailer 4$615 CAD
Retailer 2$762 CAD
Brilliant Earth$788 CAD

42 data points across 4 retailers

4 retailers$595 CAD to $788 CAD

A
Cheapest Retailer
-
$595 CAD
A
Retailer 2
-
$615 CAD
View
Final sale: no returns
B+
Retailer 3
-
$762 CAD
View
Most Expensive
B+
Brilliant Earth
18003753A · Nov 6
$788 CAD
$560 USD
View
3 more retailers have this diamond
Prices start from $595 CADSave up to $193 CAD

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
$595 CAD