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Heart|Natural|GIA

1.30ct K SI1 Heart Natural Diamond

GD • K/SI1 • GIA 12144079

Certificate GIA 12144079

Diamond specifications and retailer prices

From $2,743 CAD
As of November 6, 2026
Save $1,395 CAD (34%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,138 CAD at B2C Jewels · As of November 6, 2026
View at B2C Jewels

About this 1.3ct natural heart diamond

This 1.3ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 12144079. Listed at 3 retailers as of November 6, 2026, with prices from $2,743 to $4,138, a $1,395 spread on the same certified stone. B2C Jewels lists it at $4,138. 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

1.30
Carat
K
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishGood
SymmetryFair
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 12144079
Dimensions6.46 × 7.71 × 4.50 mm
L/W Ratio1.19
Top View
6.46 mm7.71 mm1.30 ctK / SI1
OriginNatural
CutGood
PolishGood
SymmetryFair
FluorescenceNone
CertificateGIA 12144079
Side View
Table 55.0%CrownGirdlePavilionCulet: SmallDepth 58.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,138 CAD|Low: $2,743 CAD|High: $6,251 CAD|Avg: $5,048 CAD|+1.1%
B2C Jewels
Retailer 2
Retailer 3
November 6, 2026
Retailer 3$2,743 CAD
Retailer 2$4,014 CAD
B2C Jewels$4,138 CAD

37 data points across 3 retailers

3 retailers$2,743 CAD to $4,138 CAD

B+
Cheapest Retailer
-
$2,743 CAD
B
Retailer 2
-
$4,014 CAD
View
Most Expensive
B
B2C Jewels
18176600 · Nov 6
$4,138 CAD
$2,942 USD
View
2 more retailers have this diamond
Prices start from $2,743 CADSave up to $1,395 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.

B+
1.30ct Heart
$2,743 CAD