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Heart|Natural|IGI

1.51ct H VVS1 Heart Natural Diamond

VG • H/VVS1 • IGI 737518366

Shape and cutting style on the report: Heart brilliant

Certificate IGI 737518366

Diamond specifications and retailer prices

From $8,138 AUD
As of November 4, 2026
Save $8,404 AUD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $16,542 AUD at NZ Jewellers · As of November 5, 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 H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 737518366. Listed at 10 retailers as of November 4, 2026, with prices from $8,138 to $16,542, a $8,404 spread on the same certified stone. NZ Jewellers lists it at $16,542. 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
H
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle43.5°
OriginNatural
Grading LabIGI
CertificateIGI 737518366
Dimensions7.70 × 6.93 × 4.91 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Top View
7.70 mm6.93 mm1.51 ctH / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737518366
Side View
Table 57.0%Crown 40.3°Girdle: STK-THKPavilion 43.5°Culet: NoneDepth 63.8%

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 4
Current: $16,542 AUD|Low: $8,138 AUD|High: $16,951 AUD|Avg: $11,167 AUD
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
November 5, 2026
Retailer 9$8,138 AUD
Retailer 5$8,171 AUD
Retailer 11$9,034 AUD
Retailer 8$9,128 AUD
Retailer 13$9,130 AUD
Retailer 7$9,725 AUD
Retailer 12$9,891 AUD
Retailer 10$10,042 AUD
Retailer 3$11,412 AUD
Retailer 2$12,068 AUD
Retailer 6$14,532 AUD
NZ Jewellers$16,542 AUD
Retailer 4$16,951 AUD

32 data points across 13 retailers

10 retailers$8,138 AUD to $16,542 AUD

A
Cheapest Retailer
-
$8,138 AUD
B+
Retailer 2
-
$9,128 AUD
View
Final sale: no returns
Retailer 3
-
$9,130 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$9,725 AUD
View
B+
Retailer 5
-
$9,891 AUD
View
B+
Retailer 6
-
$10,042 AUD
View
B
Retailer 7
-
$11,412 AUD
View
B
Retailer 8
-
$12,068 AUD
View
B
Retailer 9
-
$14,532 AUD
View
Most Expensive
B
NZ Jewellers
c1c92c4c-9032-4ab9-9c3c-e3a5c8c34276 · Nov 5
$16,542 AUD
$11,580 USD
View
9 more retailers have this diamond
Prices start from $8,138 AUDSave up to $8,404 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
$8,138 AUD