Heart|Natural|GIA

1.51ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 6545994583

Certificate GIA 6545994583

Diamond specifications and retailer prices

From $6,300 CAD
A$6,938 AUD
As of October 31, 2026
10 retailers carry this diamond
Most expensive: $10,281 CAD at NZ Jewellers · As of September 25, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545994583. Listed at 10 retailers as of October 31, 2026. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545994583
Dimensions6.89 × 7.69 × 4.89 mm
L/W Ratio1.12
Top View
6.89 mm7.69 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545994583
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $5,612 CAD|Low: $4,291 CAD|High: $9,988 CAD|Avg: $5,986 CAD|-6.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 22, 2026
Retailer 5$4,291 CAD
Retailer 9$4,337 CAD
Retailer 3$4,639 CAD
Retailer 4$4,664 CAD
Retailer 6$4,670 CAD
Retailer 8$5,280 CAD
Retailer 1$5,612 CAD
Retailer 2$6,300 CAD
Retailer 7$9,030 CAD
Retailer 10$9,390 CAD

29 data points across 10 retailers

10 retailers

Retailer 1
-
$4,291 CAD
HK$24,000 HKD
Price last confirmed 8 days ago
Retailer 2
-
$4,337 CAD
$3,105 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$4,639 CAD
$3,321 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$4,664 CAD
$3,339 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$5,280 CAD
$3,780 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$5,612 CAD
£3,163 GBP
View
Price last confirmed 10 days ago
A
Retailer 7
-
$6,300 CAD
A$6,938 AUD
View
Retailer 8
-
$9,030 CAD
$6,465 USD
View
Price last confirmed 11 days ago
Retailer 9
-
$9,390 CAD
£5,293 GBP
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
44eb55d0-d0d8-47b2-a6bc-d8415d04e50f · Sep 25
$10,281 CAD
$7,360 USD
View
Price last confirmed 37 days ago
9 more retailers have this diamond
Prices start from $6,300 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
$6,300 CAD