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Round|Natural|GIA

1.51ct H I1 Round Natural Diamond

EX • H/I1 • GIA 1445173076

Certificate GIA 1445173076

Diamond specifications and retailer prices

From $5,085 NZD
$2,861 USD
As of November 1, 2026
Save $4,898 NZD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,983 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 top-tier cut grade and certified by GIA 1445173076. Listed at 8 retailers as of November 1, 2026, with prices from $5,085 to $9,983, a $4,898 spread on the same certified stone. NZ Jewellers lists it at $9,983. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
Crown angle34.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1445173076
Dimensions7.35 × 7.38 × 4.60 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Crystal, Cavity, Needle, Indented Natural, Pinpoint, Natural
Top View
7.35 mm7.38 mm1.51 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceVery Strong
CertificateGIA 1445173076
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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 1
Current: $9,983 NZD|Low: $4,380 NZD|High: $11,368 NZD|Avg: $6,606 NZD|-12.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$4,380 NZD
Retailer 6$5,085 NZD
Retailer 7$5,259 NZD
Retailer 5$5,730 NZD
Retailer 9$5,730 NZD
Retailer 4$5,950 NZD
Retailer 8$6,612 NZD
Retailer 2$6,677 NZD
Retailer 11$7,694 NZD
Retailer 10$7,764 NZD
NZ Jewellers$9,983 NZD

23 data points across 11 retailers

8 retailers$5,085 NZD to $9,983 NZD

A
Cheapest Retailer
-
$5,085 NZD
$2,861 USD
A
Retailer 2
-
$5,259 NZD
$2,959 USD
View
A
Retailer 3
-
$5,730 NZD
$3,224 USD
View
A
Retailer 4
-
$5,730 NZD
$3,224 USD
View
A
Retailer 5
-
$5,950 NZD
$3,348 USD
View
B+
Retailer 6
-
$6,612 NZD
$3,720 USD
View
B+
Retailer 7
-
$6,677 NZD
€3,578 EUR
View
Most Expensive
B
NZ Jewellers
f418ff9e-7af0-47fa-bff9-45aa3460f485 · Nov 2
$9,983 NZD
$5,617 USD
View
7 more retailers have this diamond
Prices start from $5,085 NZDSave up to $4,898 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.

A
1.51ct Round
$5,085 NZD