Heart|Natural|GIA

1.51ct D SI1 Heart Natural Diamond

VG • D/SI1 • GIA 7235137535

Certificate GIA 7235137535

Diamond specifications and retailer prices

From $6,130 AUD
$4,306 USD
As of November 1, 2026
Save $7,371 AUD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $13,501 AUD 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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 7235137535. Listed at 12 retailers as of October 30, 2026, with prices from $6,130 to $13,501, a $7,371 spread on the same certified stone. NZ Jewellers lists it at $13,501. 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
D
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7235137535
Dimensions7.92 × 6.71 × 4.80 mm
L/W Ratio1.18
Top View
7.92 mm6.71 mm1.51 ctD / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 7235137535
Side View
Table 58.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $13,501 AUD|Low: $5,572 AUD|High: $13,501 AUD|Avg: $8,210 AUD|+1.0%
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
November 2, 2026
Retailer 15$6,130 AUD
Retailer 3$6,307 AUD
Retailer 14$6,685 AUD
Retailer 6$6,994 AUD
Retailer 5$7,203 AUD
Retailer 9$7,313 AUD
Retailer 10$7,313 AUD
Retailer 11$7,313 AUD
Retailer 2$7,552 AUD
Retailer 4$7,683 AUD
Retailer 13$8,438 AUD
Retailer 7$8,776 AUD
Retailer 8$9,922 AUD
Retailer 12$12,925 AUD
NZ Jewellers$13,501 AUD

44 data points across 15 retailers

12 retailers$6,130 AUD to $13,501 AUD

A
Cheapest Retailer
-
$6,130 AUD
$4,306 USD
A
Retailer 2
-
$6,307 AUD
$4,430 USD
View
A
Retailer 3
-
$6,685 AUD
$4,696 USD
View
Final sale: no returns
A
Retailer 4
-
$7,203 AUD
$5,060 USD
View
A
Retailer 5
-
$7,313 AUD
$5,137 USD
View
A
Retailer 6
-
$7,313 AUD
$5,137 USD
View
A
Retailer 7
-
$7,552 AUD
£4,177 GBP
View
B+
Retailer 8
-
$7,683 AUD
$5,397 USD
View
B+
Retailer 9
-
$8,438 AUD
$5,927 USD
View
B+
Retailer 10
-
$9,922 AUD
ZAR 112,600 ZAR
View
B
Retailer 11
-
$12,925 AUD
£7,149 GBP
View
Most Expensive
B
NZ Jewellers
1a43fbe1-e9f2-4ee4-97ce-71e52b69b7f0 · Oct 30
$13,501 AUD
$9,484 USD
View
11 more retailers have this diamond
Prices start from $6,130 AUDSave up to $7,371 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.

A
1.51ct Heart
$6,130 AUD