Heart|Natural|GIA

1.55ct K SI1 Heart Natural Diamond

VG • K/SI1 • GIA 2507568166

Certificate GIA 2507568166

Diamond specifications and retailer prices

From $9,296 CAD
As of November 6, 2026
14 retailers carry this diamond
Most expensive: $9,922 CAD at NZ Jewellers · As of September 29, 2026
View at NZ Jewellers

About this 1.55ct natural heart diamond

This 1.55ct natural heart sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2507568166. Listed at 14 retailers as of November 6, 2026. 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

1.55
Carat
K
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2507568166
Dimensions7.88 × 7.21 × 4.17 mm
L/W Ratio1.09
Top View
7.88 mm7.21 mm1.55 ctK / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2507568166
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 57.9%

Caratlytics Score

How it works →
C
Average
Compare with similar diamonds
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $9,296 CAD|Low: $4,580 CAD|High: $9,855 CAD|Avg: $6,097 CAD|+41.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 9$4,580 CAD
Retailer 2$4,684 CAD
Retailer 13$4,846 CAD
Retailer 11$5,161 CAD
Retailer 10$5,456 CAD
Retailer 5$5,486 CAD
Retailer 6$5,799 CAD
Retailer 3$5,823 CAD
Retailer 12$6,445 CAD
Retailer 4$6,719 CAD
Retailer 7$6,915 CAD
Retailer 1$9,296 CAD
Retailer 8$9,638 CAD

31 data points across 13 retailers

14 retailers

Retailer 1
-
$4,580 CAD
Price last confirmed 25 days ago
Retailer 2
-
$4,846 CAD
View
Price last confirmed 26 days ago
Retailer 3
-
$5,159 CAD
View
Price last confirmed 29 days ago
Retailer 4
-
$5,159 CAD
View
Price last confirmed 25 days ago
Retailer 5
-
$5,161 CAD
View
Price last confirmed 26 days ago
Retailer 6
-
$5,358 CAD
View
Price last confirmed 36 days ago
Retailer 7
-
$5,456 CAD
View
Price last confirmed 27 days ago
Retailer 8
-
$5,799 CAD
View
Price last confirmed 24 days ago
Retailer 9
-
$5,953 CAD
View
Price last confirmed 28 days ago
Retailer 10
-
$6,445 CAD
View
Price last confirmed 25 days ago
Retailer 11
-
$6,915 CAD
View
Price last confirmed 25 days ago
C
Retailer 12
-
$9,296 CAD
View
Retailer 13
-
$9,638 CAD
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
7fb79610-9bae-4e2e-870b-ea2ab4484357 · Sep 29
$9,922 CAD
$7,054 USD
View
Price last confirmed 37 days ago
13 more retailers have this diamond
Prices start from $9,296 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.

C
1.55ct Heart
$9,296 CAD