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Heart|Natural|GIA

1.51ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6561499420

Certificate GIA 6561499420

Diamond specifications and retailer prices

From $5,740 CAD
HK$32,100 HKD
As of November 2, 2026
Save $7,409 CAD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $13,149 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 6561499420. Listed at 16 retailers as of October 30, 2026, with prices from $5,740 to $13,149, a $7,409 spread on the same certified stone. NZ Jewellers lists it at $13,149. 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 6561499420
Dimensions7.05 × 7.76 × 4.61 mm
L/W Ratio1.10
Girdle conditionFaceted
Top View
7.05 mm7.76 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561499420
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.4%

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 2
Current: $13,149 CAD|Low: $5,650 CAD|High: $14,049 CAD|Avg: $8,470 CAD|-6.4%
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 2$5,740 CAD
Retailer 4$6,455 CAD
Retailer 14$6,515 CAD
Retailer 3$6,848 CAD
Retailer 12$6,895 CAD
Retailer 5$7,259 CAD
Retailer 11$7,281 CAD
Retailer 10$7,306 CAD
Retailer 8$7,348 CAD
Retailer 7$7,378 CAD
Retailer 9$7,458 CAD
Retailer 16$8,853 CAD
Retailer 15$9,664 CAD
Retailer 6$12,048 CAD
Retailer 13$12,433 CAD
NZ Jewellers$13,149 CAD

20 data points across 16 retailers

16 retailers$5,740 CAD to $13,149 CAD

A
Cheapest Retailer
-
$5,740 CAD
HK$32,100 HKD
A
Retailer 2
-
$6,455 CAD
$4,621 USD
View
A
Retailer 3
-
$6,515 CAD
€4,442 EUR
View
A
Retailer 4
-
$6,848 CAD
$4,902 USD
View
A
Retailer 5
-
$6,895 CAD
$4,936 USD
View
A
Retailer 6
-
$7,259 CAD
SGD 7,022 SGD
View
A
Retailer 7
-
$7,281 CAD
£4,104 GBP
View
A
Retailer 8
-
$7,306 CAD
$5,230 USD
View
Final sale: no returns
A
Retailer 9
-
$7,348 CAD
$5,260 USD
View
A
Retailer 10
-
$7,378 CAD
$5,282 USD
View
A
Retailer 11
-
$7,458 CAD
£4,204 GBP
View
B+
Retailer 12
-
$8,853 CAD
€6,036 EUR
View
B+
Retailer 13
-
$9,664 CAD
ZAR 111,758 ZAR
View
B
Retailer 14
-
$12,048 CAD
$8,625 USD
View
B
Retailer 15
-
$12,433 CAD
£7,008 GBP
View
Most Expensive
B
NZ Jewellers
343583af-7775-4d7c-acc2-7fa32cb1b7b5 · Oct 30
$13,149 CAD
$9,413 USD
View
15 more retailers have this diamond
Prices start from $5,740 CADSave up to $7,409 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
$5,740 CAD