CaratHunter
Plans
Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 2554814067

Certificate GIA 2554814067

Diamond specifications and retailer prices

From $7,207 NZD
As of November 7, 2026
Save $5,944 NZD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $13,150 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant 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 stated by the retailer rather than the lab and certified by GIA 2554814067. Listed at 11 retailers as of November 5, 2026, with prices from $7,207 to $13,150, a $5,944 spread on the same certified stone. NZ Jewellers lists it at $13,150. 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554814067
Dimensions8.21 × 5.67 × 3.80 mm
L/W Ratio1.45
Culet sizeNone
Top View
8.21 mm5.67 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554814067
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.0%

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 7
Current: $13,150 NZD|Low: $7,207 NZD|High: $13,984 NZD|Avg: $9,041 NZD|-6.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3$7,207 NZD
Retailer 4$7,322 NZD
Retailer 8$7,548 NZD
Retailer 10$7,548 NZD
Retailer 11$7,548 NZD
Retailer 2$7,645 NZD
Retailer 5$8,493 NZD
Retailer 9$8,709 NZD
Retailer 6$9,213 NZD
Retailer 7$12,588 NZD
NZ Jewellers$13,150 NZD

29 data points across 11 retailers

11 retailers$7,207 NZD to $13,150 NZD

A
Cheapest Retailer
-
$7,207 NZD
B+
Retailer 2
-
$7,322 NZD
View
B+
Retailer 3
-
$7,548 NZD
View
Retailer 4
-
$7,548 NZD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$7,548 NZD
View
B+
Retailer 6
-
$7,645 NZD
View
B+
Retailer 7
-
$8,493 NZD
View
B+
Retailer 8
-
$8,709 NZD
View
B+
Retailer 9
-
$9,213 NZD
View
B
Retailer 10
-
$12,588 NZD
View
Most Expensive
B
NZ Jewellers
ed42692b-97ac-4d77-86b6-d376420476bd · Nov 5
$13,150 NZD
$7,290 USD
View
10 more retailers have this diamond
Prices start from $7,207 NZDSave up to $5,944 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 Radiant
$7,207 NZD