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Heart|Natural|GIA

1.51ct E I1 Heart Natural Diamond

E/I1 • GIA 6501153894

Certificate GIA 6501153894

Diamond specifications and retailer prices

From $11,350 AUD
$7,973 USD
As of October 27, 2026
7 retailers carry this diamond
Most expensive: $12,983 AUD at NZ Jewellers · As of October 21, 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 E colour (colourless) and I1 clarity (included) and certified by GIA 6501153894. Listed at 7 retailers as of October 27, 2026. 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

1.51
Carat
E
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6501153894
Dimensions7.25 × 7.75 × 4.27 mm
L/W Ratio1.07
Top View
7.25 mm7.75 mm1.51 ctE / I1
OriginNatural
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6501153894
Side View
Table 59.0%CrownGirdlePavilionCulet: NoneDepth 55.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 27
Current: $8,725 AUD|Low: $5,077 AUD|High: $11,350 AUD|Avg: $7,668 AUD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 23, 2026
Retailer 7$5,077 AUD
Retailer 5$6,193 AUD
Retailer 2$7,033 AUD
Retailer 4$7,033 AUD
Retailer 3$8,115 AUD
Retailer 1$8,725 AUD
Retailer 6$11,350 AUD

13 data points across 7 retailers

7 retailers

Retailer 1
-
$6,193 AUD
$4,350 USD
Price last confirmed 9 days ago
Retailer 2
-
$7,033 AUD
$4,940 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$7,033 AUD
$4,940 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$8,115 AUD
$5,700 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$8,725 AUD
€5,837 EUR
View
Price last confirmed 9 days ago
B
Retailer 6
-
$11,350 AUD
$7,973 USD
View
Most Expensive
NZ Jewellers
9125a088-f101-4980-8977-917c84521fe6 · Oct 21
$12,983 AUD
$9,120 USD
View
Price last confirmed 11 days ago
6 more retailers have this diamond
Prices start from $11,350 AUD

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
$11,350 AUD