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Round|Natural|GIA

1.50ct G I1 Round Natural Diamond

EX • G/I1 • GIA 2427907486

Certificate GIA 2427907486

Diamond specifications and retailer prices

From $6,927 NZD
HK$30,500 HKD
As of November 1, 2026
Save $8,832 NZD (56%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $15,759 NZD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2427907486. Listed at 12 retailers as of October 30, 2026, with prices from $6,927 to $15,759, a $8,832 spread on the same certified stone. NZ Jewellers lists it at $15,759. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
G
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2427907486
Dimensions7.31 × 7.27 × 4.57 mm
L/W Ratio1.01
Top View
7.31 mm7.27 mm1.50 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2427907486
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.7%

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: $15,759 NZD|Low: $6,859 NZD|High: $16,561 NZD|Avg: $9,876 NZD|-4.8%
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 10$6,927 NZD
Retailer 14$7,063 NZD
Retailer 12$7,284 NZD
Retailer 6$7,823 NZD
Retailer 3$8,536 NZD
Retailer 13$8,536 NZD
Retailer 16$8,536 NZD
Retailer 8$9,461 NZD
Retailer 9$9,572 NZD
Retailer 4$9,581 NZD
Retailer 15$9,581 NZD
Retailer 17$9,849 NZD
Retailer 11$9,901 NZD
Retailer 2$10,617 NZD
Retailer 5$11,783 NZD
Retailer 7$13,973 NZD
NZ Jewellers$15,759 NZD

23 data points across 17 retailers

12 retailers$6,927 NZD to $15,759 NZD

A
Cheapest Retailer
-
$6,927 NZD
HK$30,500 HKD
A
Retailer 2
-
$7,063 NZD
$3,981 USD
View
A
Retailer 3
-
$7,284 NZD
$4,105 USD
View
B+
Retailer 4
-
$8,536 NZD
$4,811 USD
View
B+
Retailer 5
-
$8,536 NZD
$4,811 USD
View
B+
Retailer 6
-
$8,536 NZD
$4,811 USD
View
B+
Retailer 7
-
$9,581 NZD
$5,400 USD
View
B+
Retailer 8
-
$9,581 NZD
$5,400 USD
View
B+
Retailer 9
-
$9,849 NZD
$5,551 USD
View
B+
Retailer 10
-
$9,901 NZD
$5,580 USD
View
B
Retailer 11
-
$10,617 NZD
€5,699 EUR
View
Most Expensive
B
NZ Jewellers
1d3e8432-00ac-42ff-a145-943cefc022ae · Oct 30
$15,759 NZD
$8,882 USD
View
11 more retailers have this diamond
Prices start from $6,927 NZDSave up to $8,832 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
1.50ct Round
$6,927 NZD