CaratHunter
Plans
Heart|Natural|GIA

1.51ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6565678111

Certificate GIA 6565678111

Diamond specifications and retailer prices

From $3,064 CAD
As of November 5, 2026
Save $2,469 CAD (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,533 CAD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural heart diamond

This 1.51ct 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 6565678111. Listed at 8 retailers as of November 4, 2026, with prices from $3,064 to $5,533, a $2,469 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,533. 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

1.51
Carat
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.47°
Pavilion angle38.33°
OriginNatural
Grading LabGIA
CertificateGIA 6565678111
Dimensions7.81 × 6.95 × 4.66 mm
L/W Ratio1.12
Culet sizeNone
Top View
7.81 mm6.95 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565678111
Side View
Table 57.0%Crown 35.47°Girdle: STK-VTKPavilion 38.33°Culet: NDepth 59.6%

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 5
Current: $3,542 CAD|Low: $3,059 CAD|High: $5,533 CAD|Avg: $3,770 CAD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 2$3,064 CAD
Retailer 7$3,152 CAD
Retailer 3$3,253 CAD
Retailer 4$3,310 CAD
Retailer 1$3,542 CAD
Retailer 6$3,604 CAD
Retailer 5$3,901 CAD
Wholesale Diamonds Direct$5,533 CAD

16 data points across 8 retailers

8 retailers$3,064 CAD to $5,533 CAD

A
Cheapest Retailer
-
$3,064 CAD
A
Retailer 2
-
$3,152 CAD
View
A
Retailer 3
-
$3,253 CAD
View
A
Retailer 4
-
$3,310 CAD
View
A
Retailer 5
-
$3,542 CAD
View
A
Retailer 6
-
$3,604 CAD
View
B+
Retailer 7
-
$3,901 CAD
View
Most Expensive
B+
Wholesale Diamonds Direct
585254021 · Nov 4
$5,533 CAD
$3,933 USD
View
7 more retailers have this diamond
Prices start from $3,064 CADSave up to $2,469 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
1.51ct Heart
$3,064 CAD