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Round|Natural|GIA

1.50ct I I1 Round Natural Diamond

EX • I/I1 • GIA 1423644081

Certificate GIA 1423644081

Diamond specifications and retailer prices

From $6,848 NZD
HK$30,100 HKD
As of November 1, 2026
Save $8,684 NZD (56%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $15,532 NZD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1423644081. Listed at 12 retailers as of November 1, 2026, with prices from $6,848 to $15,532, a $8,684 spread on the same certified stone. NZ Jewellers lists it at $15,532. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1423644081
Dimensions7.31 × 7.21 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Indented Natural, Needle
Top View
7.31 mm7.21 mm1.50 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1423644081
Side View
Table 59.0%Crown 35.5°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 62.9%

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 1
Current: $15,532 NZD|Low: $6,779 NZD|High: $15,781 NZD|Avg: $9,583 NZD|-1.6%
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 1, 2026
Retailer 8$6,848 NZD
Retailer 13$7,004 NZD
Retailer 11$7,180 NZD
Retailer 6$7,454 NZD
Retailer 4$8,414 NZD
Retailer 12$8,414 NZD
Retailer 15$8,414 NZD
Retailer 9$9,437 NZD
Retailer 14$9,437 NZD
Retailer 3$9,708 NZD
Retailer 10$9,757 NZD
Retailer 2$10,464 NZD
Retailer 5$11,228 NZD
Retailer 7$13,372 NZD
NZ Jewellers$15,532 NZD

23 data points across 15 retailers

12 retailers$6,848 NZD to $15,532 NZD

B+
Cheapest Retailer
-
$6,848 NZD
HK$30,100 HKD
B+
Retailer 2
-
$7,004 NZD
$3,941 USD
View
B+
Retailer 3
-
$7,180 NZD
$4,040 USD
View
B+
Retailer 4
-
$8,414 NZD
$4,734 USD
View
B+
Retailer 5
-
$8,414 NZD
$4,734 USD
View
B+
Retailer 6
-
$8,414 NZD
$4,734 USD
View
B
Retailer 7
-
$9,437 NZD
$5,310 USD
View
B
Retailer 8
-
$9,437 NZD
$5,310 USD
View
B
Retailer 9
-
$9,708 NZD
$5,462 USD
View
B
Retailer 10
-
$9,757 NZD
$5,490 USD
View
B
Retailer 11
-
$10,464 NZD
€5,607 EUR
View
Most Expensive
C
NZ Jewellers
135e1e03-72ff-46f9-838e-96c2cde40d0b · Nov 2
$15,532 NZD
$8,739 USD
View
11 more retailers have this diamond
Prices start from $6,848 NZDSave up to $8,684 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+
1.50ct Round
$6,848 NZD