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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 $4,966 NZD
₹266,091 INR
As of November 2, 2026
Save $6,981 NZD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,947 NZD 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 $4,966 to $11,947, a $6,981 spread on the same certified stone. NZ Jewellers lists it at $11,947. 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: $11,947 NZD|Low: $4,956 NZD|High: $11,947 NZD|Avg: $7,233 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$4,966 NZD
Retailer 4$5,005 NZD
Retailer 5$6,039 NZD
Retailer 7$6,857 NZD
Retailer 9$6,857 NZD
Retailer 6$7,122 NZD
Retailer 8$7,913 NZD
Retailer 3$7,993 NZD
NZ Jewellers$11,947 NZD

42 data points across 9 retailers

9 retailers$4,966 NZD to $11,947 NZD

B+
Cheapest Retailer
-
$4,966 NZD
₹266,091 INR
B+
Retailer 2
-
$5,005 NZD
HK$22,000 HKD
View
B+
Retailer 3
-
$6,039 NZD
$3,398 USD
View
B+
Retailer 4
-
$6,857 NZD
$3,858 USD
View
B+
Retailer 5
-
$6,857 NZD
$3,858 USD
View
B+
Retailer 6
-
$7,122 NZD
$4,007 USD
View
B
Retailer 7
-
$7,913 NZD
$4,452 USD
View
B
Retailer 8
-
$7,993 NZD
€4,283 EUR
View
Most Expensive
C
NZ Jewellers
b94e92eb-89ab-415c-8dca-757e858a274f · Nov 2
$11,947 NZD
$6,722 USD
View
8 more retailers have this diamond
Prices start from $4,966 NZDSave up to $6,981 NZD

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
$4,966 NZD