Heart|Natural|GIA

1.51ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5232493398

Certificate GIA 5232493398

Diamond specifications and retailer prices

From $10,622 CAD
$7,601 USD
As of October 30, 2026
Save $12,206 CAD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $22,828 CAD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5232493398. Listed at 16 retailers as of October 30, 2026, with prices from $10,622 to $22,828, a $12,206 spread on the same certified stone. NZ Jewellers lists it at $22,828. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5232493398
Dimensions7.25 × 8.28 × 4.51 mm
L/W Ratio1.14
Top View
7.25 mm8.28 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232493398
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 54.5%

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 30
Current: $22,828 CAD|Low: $10,687 CAD|High: $22,828 CAD|Avg: $14,533 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
October 31, 2026
Retailer 8$10,687 CAD
Retailer 12$11,414 CAD
Retailer 10$11,509 CAD
Retailer 11$12,366 CAD
Retailer 9$12,556 CAD
Retailer 6$12,611 CAD
Retailer 2$12,747 CAD
Retailer 3$14,267 CAD
Retailer 4$15,026 CAD
Retailer 7$16,472 CAD
Retailer 5$19,124 CAD
NZ Jewellers$22,828 CAD

43 data points across 12 retailers

16 retailers$10,622 CAD to $22,828 CAD

B+
Cheapest Retailer
-
$10,622 CAD
$7,601 USD
B+
Retailer 2
-
$10,687 CAD
$7,648 USD
View
B
Retailer 3
-
$11,218 CAD
View
B
Retailer 4
-
$11,354 CAD
$8,125 USD
View
B
Retailer 5
-
$11,414 CAD
$8,168 USD
View
B
Retailer 6
-
$11,509 CAD
$8,236 USD
View
B
Retailer 7
-
$12,366 CAD
$8,849 USD
View
B
Retailer 8
-
$12,556 CAD
$8,985 USD
View
Retailer 9
-
$12,611 CAD
A$13,884 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$12,747 CAD
£7,183 GBP
View
B
Retailer 11
-
$13,120 CAD
$9,389 USD
View
B
Retailer 12
-
$14,267 CAD
$10,210 USD
View
Retailer 13
-
$15,026 CAD
$10,753 USD
View
Price last confirmed 10 days ago
Retailer 14
-
$16,472 CAD
ZAR 190,425 ZAR
View
Price last confirmed 11 days ago
B
Retailer 15
-
$19,124 CAD
£10,776 GBP
View
Most Expensive
B
NZ Jewellers
63285d76-08ad-4533-9be1-d0263cd1875d · Oct 30
$22,828 CAD
$16,336 USD
View
15 more retailers have this diamond
Prices start from $10,622 CADSave up to $12,206 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
$10,622 CAD