Heart|Natural|GIA

1.51ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 1407883320

Certificate GIA 1407883320

Diamond specifications and retailer prices

From $13,951 CAD
$9,987 USD
As of October 28, 2026
Save $8,247 CAD (37%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $22,198 CAD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1407883320. Listed at 12 retailers as of October 27, 2026, with prices from $13,951 to $22,198, a $8,247 spread on the same certified stone. NZ Jewellers lists it at $22,198. 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
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1407883320
Dimensions6.30 × 7.83 × 4.87 mm
L/W Ratio1.24
Culet sizeNone
Top View
6.30 mm7.83 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1407883320
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.2%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $22,198 CAD|Low: $13,951 CAD|High: $22,198 CAD|Avg: $17,430 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
October 25, 2026
Retailer 13$13,951 CAD
Retailer 7$14,654 CAD
Retailer 3$14,849 CAD
Retailer 10$15,083 CAD
Retailer 14$15,869 CAD
Retailer 12$16,289 CAD
Retailer 4$16,301 CAD
Retailer 9$16,539 CAD
Retailer 6$18,230 CAD
Retailer 11$18,795 CAD
Retailer 5$18,996 CAD
Retailer 8$19,333 CAD
Retailer 2$20,829 CAD
NZ Jewellers$22,198 CAD

28 data points across 14 retailers

12 retailers$13,951 CAD to $22,198 CAD

B+
Cheapest Retailer
-
$13,951 CAD
$9,987 USD
Retailer 2
-
$14,654 CAD
A$16,139 AUD
View
Price last confirmed 7 days ago
B
Retailer 3
-
$14,849 CAD
$10,630 USD
View
Retailer 4
-
$15,083 CAD
£8,502 GBP
View
Price last confirmed 31 days ago
B
Retailer 5
-
$15,869 CAD
$11,360 USD
View
B
Retailer 6
-
$16,289 CAD
$11,661 USD
View
B
Retailer 7
-
$16,301 CAD
$11,670 USD
View
B
Retailer 8
-
$16,539 CAD
$11,840 USD
View
B
Retailer 9
-
$18,795 CAD
$13,455 USD
View
Retailer 10
-
$19,333 CAD
ZAR 223,583 ZAR
View
Price last confirmed 14 days ago
B
Retailer 11
-
$20,829 CAD
£11,741 GBP
View
Most Expensive
B
NZ Jewellers
7c7edc1d-f382-4685-a580-b6c2ed0237bf · Oct 27
$22,198 CAD
$15,891 USD
View
11 more retailers have this diamond
Prices start from $13,951 CADSave up to $8,247 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+
1.51ct Heart
$13,951 CAD