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Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 3555882902

Certificate GIA 3555882902

Diamond specifications and retailer prices

From $3,698 NZD
As of November 5, 2026
Save $10,832 NZD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $14,530 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555882902. Listed at 13 retailers as of November 2, 2026, with prices from $3,698 to $14,530, a $10,832 spread on the same certified stone. NZ Jewellers lists it at $14,530. 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 angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3555882902
Dimensions7.24 × 7.29 × 4.56 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.24 mm7.29 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555882902
Side View
Table 58.0%Crown 36°Girdle: THN-STKPavilion 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 5
Current: $14,530 NZD|Low: $3,512 NZD|High: $14,601 NZD|Avg: $6,025 NZD|-0.5%
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
November 5, 2026
Retailer 6$3,512 NZD
Retailer 2$3,698 NZD
Retailer 12$4,542 NZD
Retailer 4$5,029 NZD
Retailer 11$5,378 NZD
Retailer 13$5,417 NZD
Retailer 3$5,618 NZD
Retailer 7$5,817 NZD
Retailer 5$7,043 NZD
Retailer 9$7,557 NZD
Retailer 14$7,690 NZD
Retailer 8$8,339 NZD
Retailer 10$8,339 NZD
NZ Jewellers$14,530 NZD

30 data points across 14 retailers

13 retailers$3,698 NZD to $14,530 NZD

A
Cheapest Retailer
-
$3,698 NZD
A
Retailer 2
-
$4,542 NZD
View
A
Retailer 3
-
$5,029 NZD
View
A
Retailer 4
-
$5,378 NZD
View
A
Retailer 5
-
$5,417 NZD
View
A
Retailer 6
-
$5,618 NZD
View
A
Retailer 7
-
$5,817 NZD
View
B+
Retailer 8
-
$7,043 NZD
View
B+
Retailer 9
-
$7,557 NZD
View
B+
Retailer 10
-
$7,690 NZD
View
B+
Retailer 11
-
$8,339 NZD
View
B+
Retailer 12
-
$8,339 NZD
View
Most Expensive
B
NZ Jewellers
17da86bd-d81d-4784-8543-95fe10cd3d01 · Nov 2
$14,530 NZD
$8,168 USD
View
12 more retailers have this diamond
Prices start from $3,698 NZDSave up to $10,832 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
$3,698 NZD