Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 2556323952

Certificate GIA 2556323952

Diamond specifications and retailer prices

From $5,653 CAD
As of November 6, 2026
Save $1,096 CAD (16%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,749 CAD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two 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 2556323952. Listed at 7 retailers as of November 5, 2026, with prices from $5,653 to $6,749, a $1,096 spread on the same certified stone. Blue Nile lists it at $6,749. 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

1.50
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556323952
Dimensions7.06 × 7.94 × 4.70 mm
L/W Ratio1.12
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle
Top View
7.06 mm7.94 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556323952
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.1%

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: $6,749 CAD|Low: $5,238 CAD|High: $7,714 CAD|Avg: $6,329 CAD|-12.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$5,653 CAD
Retailer 4$5,847 CAD
Retailer 2$5,888 CAD
Retailer 7$5,953 CAD
Retailer 3$6,075 CAD
Retailer 6$6,109 CAD
Blue Nile$6,749 CAD

42 data points across 7 retailers

7 retailers$5,653 CAD to $6,749 CAD

A
Cheapest Retailer
-
$5,653 CAD
A
Retailer 2
-
$5,847 CAD
View
Final sale: no returns
A
Retailer 3
-
$5,888 CAD
View
A
Retailer 4
-
$5,953 CAD
View
A
Retailer 5
-
$6,075 CAD
View
A
Retailer 6
-
$6,109 CAD
View
Most Expensive
A
Blue Nile
29193047 · Nov 5
$6,749 CAD
$4,798 USD
View
6 more retailers have this diamond
Prices start from $5,653 CADSave up to $1,096 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
1.50ct Heart
$5,653 CAD