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Round|Natural|GIA

1.51ct H I1 Round Natural Diamond

GD • H/I1 • GIA 6435544226

Certificate GIA 6435544226

Diamond specifications and retailer prices

From $3,987 AUD
₹266,091 INR
As of November 2, 2026
Save $5,605 AUD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,592 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and I1 clarity (included), with a standard cut grade and certified by GIA 6435544226. Listed at 9 retailers as of November 2, 2026, with prices from $3,987 to $9,592, a $5,605 spread on the same certified stone. NZ Jewellers lists it at $9,592. 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
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6435544226
Dimensions7.08 × 7.01 × 4.64 mm
L/W Ratio1.01
Top View
7.08 mm7.01 mm1.51 ctH / I1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6435544226
Side View
Table 57.0%Crown 39°Girdle: STK-VTKPavilion 40.4°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $9,592 AUD|Low: $3,979 AUD|High: $9,592 AUD|Avg: $5,807 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$3,987 AUD
Retailer 4$4,018 AUD
Retailer 5$4,849 AUD
Retailer 7$5,505 AUD
Retailer 9$5,505 AUD
Retailer 6$5,718 AUD
Retailer 8$6,353 AUD
Retailer 3$6,417 AUD
NZ Jewellers$9,592 AUD

42 data points across 9 retailers

9 retailers$3,987 AUD to $9,592 AUD

B+
Cheapest Retailer
-
$3,987 AUD
₹266,091 INR
B+
Retailer 2
-
$4,018 AUD
HK$22,000 HKD
View
B+
Retailer 3
-
$4,849 AUD
$3,398 USD
View
B+
Retailer 4
-
$5,505 AUD
$3,858 USD
View
B+
Retailer 5
-
$5,505 AUD
$3,858 USD
View
B+
Retailer 6
-
$5,718 AUD
$4,007 USD
View
B
Retailer 7
-
$6,353 AUD
$4,452 USD
View
B
Retailer 8
-
$6,417 AUD
€4,283 EUR
View
Most Expensive
C
NZ Jewellers
b94e92eb-89ab-415c-8dca-757e858a274f · Nov 2
$9,592 AUD
$6,722 USD
View
8 more retailers have this diamond
Prices start from $3,987 AUDSave up to $5,605 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 Round
$3,987 AUD