CaratHunter
Plans
Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 3425008603

Certificate GIA 3425008603

Diamond specifications and retailer prices

From $7,012 NZD
As of November 6, 2026
Save $8,923 NZD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $15,935 NZD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3425008603. Listed at 16 retailers as of November 5, 2026, with prices from $7,012 to $15,935, a $8,923 spread on the same certified stone. NZ Jewellers lists it at $15,935. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3425008603
Dimensions7.29 × 7.26 × 4.54 mm
L/W Ratio1.00
Top View
7.29 mm7.26 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3425008603
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 6
Current: $15,935 NZD|Low: $6,966 NZD|High: $15,935 NZD|Avg: $10,046 NZD
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 6, 2026
Retailer 13$7,012 NZD
Retailer 3$7,174 NZD
Retailer 11$7,329 NZD
Retailer 5$8,034 NZD
Retailer 14$8,041 NZD
Retailer 4$8,631 NZD
Retailer 15$8,631 NZD
Retailer 6$9,094 NZD
Retailer 9$9,144 NZD
Retailer 12$9,811 NZD
Retailer 7$9,960 NZD
Retailer 2$10,375 NZD
Retailer 8$11,625 NZD
Retailer 10$15,133 NZD
NZ Jewellers$15,935 NZD

38 data points across 15 retailers

16 retailers$7,012 NZD to $15,935 NZD

B+
Cheapest Retailer
-
$7,012 NZD
B+
Retailer 2
-
$7,174 NZD
View
A
Retailer 3
-
$7,329 NZD
View
B+
Retailer 4
-
$8,034 NZD
View
B+
Retailer 5
-
$8,041 NZD
View
B+
Retailer 6
-
$8,631 NZD
View
B+
Retailer 7
-
$8,631 NZD
View
B
Retailer 8
-
$9,094 NZD
View
B+
Retailer 9
-
$9,144 NZD
View
B+
Retailer 10
-
$9,811 NZD
View
B
Retailer 11
-
$9,960 NZD
View
B+
Retailer 12
-
$10,375 NZD
View
Retailer 13
-
$10,670 NZD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$11,625 NZD
View
B
Retailer 15
-
$15,133 NZD
View
Most Expensive
B
NZ Jewellers
d005f766-8512-42a3-90e3-1ed707413889 · Nov 5
$15,935 NZD
$8,958 USD
View
15 more retailers have this diamond
Prices start from $7,012 NZDSave up to $8,923 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
$7,012 NZD