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Heart|Natural|GIA

1.57ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6501528525

Certificate GIA 6501528525

Diamond specifications and retailer prices

From $4,503 CAD
As of November 1, 2026
Save $4,685 CAD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,188 CAD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.57ct natural heart diamond

This 1.57ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6501528525. Listed at 10 retailers as of November 1, 2026, with prices from $4,503 to $9,188, a $4,685 spread on the same certified stone. NZ Jewellers lists it at $9,188. 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
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6501528525
Dimensions6.75 × 8.42 × 4.80 mm
L/W Ratio1.25
Top View
6.75 mm8.42 mm1.57 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6501528525
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.0%

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 1
Current: $9,188 CAD|Low: $4,503 CAD|High: $9,188 CAD|Avg: $6,115 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 3, 2026
Retailer 12$4,503 CAD
Retailer 6$4,683 CAD
Retailer 13$4,721 CAD
Retailer 9$5,273 CAD
Retailer 10$5,273 CAD
Retailer 8$5,477 CAD
Retailer 3$5,479 CAD
Retailer 2$5,511 CAD
Retailer 4$5,685 CAD
Retailer 11$6,085 CAD
Retailer 14$6,275 CAD
Retailer 5$8,520 CAD
Retailer 7$8,818 CAD
NZ Jewellers$9,188 CAD

39 data points across 14 retailers

10 retailers$4,503 CAD to $9,188 CAD

A
Cheapest Retailer
-
$4,503 CAD
A
Retailer 2
-
$4,683 CAD
View
Retailer 3
-
$5,273 CAD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$5,273 CAD
View
B+
Retailer 5
-
$5,477 CAD
View
B+
Retailer 6
-
$5,479 CAD
View
B+
Retailer 7
-
$5,511 CAD
View
B+
Retailer 8
-
$6,085 CAD
View
B
Retailer 9
-
$8,818 CAD
View
Most Expensive
B
NZ Jewellers
8fcb2d63-570f-4727-856d-5667d7af08bb · Nov 3
$9,188 CAD
$6,532 USD
View
9 more retailers have this diamond
Prices start from $4,503 CADSave up to $4,685 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
$4,503 CAD