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Heart|Natural|GIA

1.57ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 1553558198

Certificate GIA 1553558198

Diamond specifications and retailer prices

From $6,165 CAD
As of November 4, 2026
Save $2,426 CAD (28%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,591 CAD at Steven Stone · As of November 7, 2026
View at Steven Stone

About this 1.57ct natural heart diamond

This 1.57ct 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 1553558198. Listed at 8 retailers as of November 4, 2026, with prices from $6,165 to $8,591, a $2,426 spread on the same certified stone. Steven Stone lists it at $8,591. 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

1.57
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553558198
Dimensions6.94 × 8.20 × 4.82 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural, Natural
Top View
6.94 mm8.20 mm1.57 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553558198
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.7%

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 4
Current: $6,513 CAD|Low: $5,608 CAD|High: $10,040 CAD|Avg: $7,088 CAD|-12.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Steven Stone
November 7, 2026
Retailer 4$6,165 CAD
Retailer 2$6,283 CAD
Retailer 3$6,375 CAD
Retailer 7$6,491 CAD
Retailer 1$6,513 CAD
Retailer 6$6,655 CAD
Retailer 5$7,328 CAD
Steven Stone$8,591 CAD
Retailer 8$9,188 CAD

34 data points across 9 retailers

8 retailers$6,165 CAD to $8,591 CAD

A
Cheapest Retailer
-
$6,165 CAD
A
Retailer 2
-
$6,283 CAD
View
A
Retailer 3
-
$6,375 CAD
View
Final sale: no returns
A
Retailer 4
-
$6,491 CAD
View
A
Retailer 5
-
$6,513 CAD
View
A
Retailer 6
-
$6,655 CAD
View
A
Retailer 7
-
$7,328 CAD
View
Most Expensive
B+
Steven Stone
333566137 · Nov 7
$8,591 CAD
£4,809 GBP
View
7 more retailers have this diamond
Prices start from $6,165 CADSave up to $2,426 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
1.57ct Heart
$6,165 CAD